Statement to Certificateholder

Distribution Information

Deal Information

1. Distribution Summary

Deal Name:

Residential Funding Mtg Sec I, 2006-SA1

2. Factor Summary

Asset Type:

Mortgage Asset-Backed Pass-Through Certificates

3. Components Information

(Not Applicable)

Closing Date:

01/30/2006

4. Interest Summary

First Distribution Date:

02/25/2006

5. Other Income Detail

(Not Applicable)

Determination Date:

06/22/2006

6. Interest Shortfalls, Compensation and Expenses

Distribution Date:

06/26/2006

Record Date:

7. Prepayment Interest and Basis Risk/Net WAC Shortfall Amounts

(Not Applicable)

Book-Entry:

05/31/2006

8. Collateral Summary

Definitive:

05/31/2006

9. Repurchase Information

Trustee:

Us Bank, Inc.

Main Telephone:

651-495-7000

10. Loan Status Report (Delinquencies)

11. Deal Delinquencies (30 Day Buckets)

GMAC-RFC

Bond Administrator:

Nicholas Gisler

12. Loss Mitigation and Servicing Modifications

Telephone:

818-260-1628

13. Losses and Recoveries

Pool(s) :

40274,40275

14. Credit Enhancement Report

(Not Applicable)

15. Distribution Percentages

16. Overcollateralization Summary

(Not Applicable)

17. Excess Cash Flow, Overcollateralization
Provisions and Derivative Amounts

(Not Applicable)

18. Performance Tests

19. Lender Paid Mortgage Insurance

(Not Applicable)

20. Comments

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 1 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



	1. Distribution Summary

										Beginning
							Original Face Value				Pass-Through						Principal			Interest		Total Distribution		Principal Loss					Interest		Deferred Interest			Ending Notional/ Principal Balance (1)-(3)-(6)+(8)=(9)
		Class		CUSIP




									(1)				(2)		(3)				(4)				(5)	(6)				(7)				(8)			(9)

I-A-1				76111XG72	193,289,000.00			188,923,456.91				5.68513906				1,831,515.25		895,046.77			2,726,562.02				0.00	0.00				0.00			187,091,941.66


I-A-2				76111XG80	21,477,000.00			20,991,929.62				5.68513911				203,505.91		99,451.70			302,957.61				0.00	0.00				0.00			20,788,423.71


II-A-1				76111XG98	42,996,000.00			41,939,625.68				5.61933084				372,076.11		196,393.86			568,469.97				0.00	0.00				0.00			41,567,549.57


II-A-2				76111XH22	4,777,000.00			4,659,633.27				5.61933150				41,338.91		21,820.02			63,158.93				0.00	0.00				0.00			4,618,294.36


R-1				76111XH30	50.00			0.00				0.00000000				0.00		0.00			0.00				0.00	0.00				0.00			0.00


R-II				76111XL68	50.00			0.00				0.00000000				0.00		0.00			0.00				0.00	0.00				0.00			0.00


M-1				76111XH48	4,814,000.00			4,811,307.59				5.67316545				702.42		22,746.12			23,448.54				0.00	0.00				0.00			4,810,605.17


M-2				76111XH55	3,026,000.00			3,024,307.60				5.67316499				441.53		14,297.83			14,739.36				0.00	0.00				0.00			3,023,866.07


M-3				76111XH63	1,925,000.00			1,923,923.37				5.67316358				280.88		9,095.61			9,376.49				0.00	0.00				0.00			1,923,642.49


B-1				76111XH71	1,238,000.00			1,237,307.60				5.67316325				180.64		5,849.54			6,030.18				0.00	0.00				0.00			1,237,126.96


B-2				76111XH89	825,000.00			824,538.59				5.67316564				120.38		3,898.12			4,018.50				0.00	0.00				0.00			824,418.21


B-3				76111XH97	687,345.09			686,960.67				5.67316321				100.30		3,247.70			3,348.00				0.00	0.00				0.00			686,860.37


			Deal Totals			275,054,445.09		269,022,990.90						2,450,262.33				1,271,847.27			3,722,109.60			0.00			0.00			0.00			266,572,728.57

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 2 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



2. Factor Summary
Amount /Original Amount per $1000 unit)

	Class	CUSIP		Beginning Notional/ Principal Balance Factor	Principal Distribution Factor	Interest Distribution	Total Distribution	Deferred Interest Factor	Interest Shortfall	Ending Notional/ Principal Balance Factor




	I-A-1	76111XG72	977.41442560		9.47552758	4.63061411	14.10614168	0.00000000	0.00000000	967.93889802

	I-A-2	76111XG80	977.41442566		9.47552777	4.63061415	14.10614192	0.00000000	0.00000000	967.93889789

	II-A-1	76111XG98	975.43086985		8.65373779	4.56772397	13.22146176	0.00000000	0.00000000	966.77713206

	II-A-2	76111XH22	975.43087084		8.65373875	4.56772451	13.22146326	0.00000000	0.00000000	966.77713209

	R-1	76111XH30	0.00000000		0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000

	R-II	76111XL68	0.00000000		0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000

	M-1	76111XH48	999.44071251		0.14591192	4.72499377	4.87090569	0.00000000	0.00000000	999.29480058

	M-2	76111XH55	999.44071381		0.14591210	4.72499339	4.87090549	0.00000000	0.00000000	999.29480172

	M-3	76111XH63	999.44071169		0.14591169	4.72499221	4.87090390	0.00000000	0.00000000	999.29480000

	B-1	76111XH71	999.44071082		0.14591276	4.72499192	4.87090468	0.00000000	0.00000000	999.29479806

	B-2	76111XH89	999.44071515		0.14591515	4.72499394	4.87090909	0.00000000	0.00000000	999.29480000

	B-3	76111XH97	999.44071762		0.14592379	4.72499193	4.87091571	0.00000000	0.00000000	999.29479383



	Deal Factor :			96.91634995%


	Group I Factor :			96.93655514%


	Group II Factor :			96.82551644%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 3 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



4. Interest Summary
The following section only reports information for classes that have accrued interest for this distribution.

Class		Accrual Period			Accrual Methodology	Beginning Notional/Principal Balance		Pass- Through Rate	Optimal Interest		Interest Loss			Deferred Interest		Interest Shortfall Amount		Other Income		Interest Distribution (1)-(2)-(3)- (4)+(5)=(6)		Accrued Certificate Interest Remaining Unpaid






		Start		End						(1)		(2)			(3)		(4)		(5)		(6)
I-A-1	05/01/2006		05/31/2006		30/360		188,923,456.91	5.68513906	895,046.77		0.00		0.00			0.00		0.00		895,046.77		0.00	0.00

I-A-2	05/01/2006		05/31/2006		30/360		20,991,929.62	5.68513911	99,451.70		0.00		0.00			0.00		0.00		99,451.70		0.00	0.00

II-A-1	05/01/2006		05/31/2006		30/360		41,939,625.68	5.61933084	196,393.86		0.00		0.00			0.00		0.00		196,393.86		0.00	0.00

II-A-2	05/01/2006		05/31/2006		30/360		4,659,633.27	5.61933150	21,820.02		0.00		0.00			0.00		0.00		21,820.02		0.00	0.00

M-1	05/01/2006		05/31/2006		30/360		4,811,307.59	5.67316545	22,746.12		0.00		0.00			0.00		0.00		22,746.12		0.00	0.00

M-2	05/01/2006		05/31/2006		30/360		3,024,307.60	5.67316499	14,297.83		0.00		0.00			0.00		0.00		14,297.83		0.00	0.00

M-3	05/01/2006		05/31/2006		30/360		1,923,923.37	5.67316358	9,095.61		0.00		0.00			0.00		0.00		9,095.61		0.00	0.00

B-1	05/01/2006		05/31/2006		30/360		1,237,307.60	5.67316325	5,849.54		0.00		0.00			0.00		0.00		5,849.54		0.00	0.00

B-2	05/01/2006		05/31/2006		30/360		824,538.59	5.67316564	3,898.12		0.00		0.00			0.00		0.00		3,898.12		0.00	0.00

B-3	05/01/2006		05/31/2006		30/360		686,960.67	5.67316321	3,247.70		0.00		0.00			0.00		0.00		3,247.70		0.00	0.00

Deal Totals						269,022,990.90			1,271,847.27		0.00		0.00			0.00		0.00		1,271,847.27		0.00


6. Interest Shortfalls, Compensation and Expenses

			Current Prepayment Interest Shortfall Amount		Compensating Interest			Net Prepayment Interest Shortfall Amount (1) - (2)=(3)		Civil Relief Act	Civil Relief Act	Compensation				Advances			Allowable Expenses per	Non-Recoverable






			(1)			(2)			(3)			Subservicer		Master		Subservicer		Master



	Group I	2,692.15		2,692.15			0.00			0	0.00		45,791.34		6,571.52		12,086.40	0.00	0.00	0.00

	Group II	375.30		375.30			0.00			0	0.00		10,364.26		2,037.03		4,518.96	0.00	0.00	0.00

	Deal Totals	3,067.45		3,067.45			0.00			0	0.00		56,155.60		8,608.55		16,605.36	0.00	0.00	0.00

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 4 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



8. Collateral Summary

A. Loan Count and Balances

			Original Loan Count/ Scheduled Principal Balance								Beginning Loan Count/ Scheduled Principal Balance						Curtailments						Payoffs						Total Repurchases				Principal Portion of Losses			Ending Loan Count/ Scheduled Principal Balance



			Count					Balance			Count			Balance			Count			Amount			Count			Amount			Count	Amount	Count			Amount		Count			Balance
Group I
					652		225,004,091.94				635		220,147,719.27			91					22,621.03			7		1,981,987.50			0	0.00		0			0.00		628		218,111,215.65

Group II
					129		50,050,353.15				127		48,875,271.62			21					77,378.49			1		329,000.00			0	0.00		0			0.00		126		48,461,512.92


	Deal Totals			781		275,054,445.09						762	269,022,990.89					112				99,999.52	8			2,310,987.50			0	0.00	0				0.00			754	266,572,728.57



B. Weighted Averages

			Beginning						Ending		Ending Weighted Average Remaining Amortization Term				Ending Weighted Average Months to Maturity		Beginning Weighted Average Net Mortgage			Ending Weighted Average Net Mortgage			Beginning Weighted Average Unmodified Net Mortgage				Net Weighted Average Cap Rate	Weighted Average Net Rate

		Group I
			5.98513906						5.98429844		353.35				353.35		5.68513906			5.68429844			5.68513906				N/A		N/A

		Group II
			5.92413666						5.92420667		352.67				352.67		5.61933081			5.61935978			5.61933081				N/A		N/A

		Deal Totals
			5.97405633						5.97337407		353.23				353.22		5.67318322			5.67249293			5.67318322				N/A		N/A



C. Constant Prepayment Rate

			1 Month CPR							3 Month CPR					6 Month CPR				12 Month CPR						Life CPR


	Group-I		10.40%							7.93%															7.04%

	Group-II		9.54%							7.52%															7.29%

	Deal Totals		10.24%							7.86%															7.08%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 5 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



9. Repurchases

			Breaches Of Representations			ARM Conversions		Optional Repurchases of Defaulted Loans		Others		Total (1)+(2)+(3)+(4)=(5)
				(1)	(2)		(3)			(4)		(5)
		Count				0			0		0		0
				0


	Group I
		Scheduled Balance		0.00		0.00			0.00		0.00			0.00


		Count				0			0		0		0
				0


	Group II
		Scheduled Balance		0.00		0.00			0.00		0.00			0.00



		Count		0		0			0		0		0
	Deal Totals


		Scheduled Balance		0.00		0.00			0.00		0.00		0.00

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 6 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006


10. Loan Status Report
													Delinquency Calculation Method: Mortgage Bankers Association

					Current / Delinquent																	Bankruptcy								Foreclosure								REO																Total
	Deal Totals

		Count								Scheduled Balance					Count				Scheduled Balance				Count				Scheduled Balance					Count			Scheduled Balance				Actual Balance						Count								Scheduled Balance

	Current						748				263,173,671.25				0			0.00								0			0.00				0				0.00							0.00						748		263,173,671.25

	30 days					5					2,537,057.32				0			0.00								0			0.00				0				0.00							0.00						5		2,537,057.32

	60 days					1					862,000.00				0			0.00								0			0.00				0				0.00							0.00						1		862,000.00

	90 days					0					0.00				0			0.00								0			0.00				0				0.00							0.00						0		0.00

	120 days					0					0.00				0			0.00								0			0.00				0				0.00							0.00						0		0.00

	150 days					0					0.00				0			0.00								0			0.00				0				0.00							0.00						0		0.00

	180 days					0					0.00				0			0.00								0			0.00				0				0.00							0.00						0		0.00

	181+ days					0					0.00				0			0.00								0			0.00				0				0.00							0.00						0		0.00

	Total							754			266,572,728.57				0		0.00								0			0.00			0					0.00					0.00						754				266,572,728.57


	Current			99.20%								98.72%			0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%								99.20%		98.72%

	30 days					0.66%					0.95%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%							0.66%			0.95%

	60 days					0.13%					0.32%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%							0.13%			0.32%

	90 days					0.00%					0.00%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%							0.00%			0.00%

	120 days					0.00%					0.00%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%							0.00%			0.00%

	150 days					0.00%					0.00%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%							0.00%			0.00%

	180 days					0.00%					0.00%				0.00%						0.00%				0.00%				0.00%				0.00%		0.00%							0.00%						0.00%				0.00%

	181+ days					0.00%					0.00%				0.00%					0.00%					0.00%				0.00%				0.00%		0.00%								0.00%						0.00%			0.00%

	Total		100.00%						100.00%					0.00%		0.00%								0.00%				0.00%			0.00%			0.00%						0.00%						100.00%					100.00%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 7 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



			Current / Delinquent											Bankruptcy						Foreclosure					REO											Total
Group I

	Count						Scheduled Balance							Count			Scheduled Balance	Count				Scheduled Balance					Count			Scheduled Balance	Actual Balance				Count					Scheduled Balance


Current						623						215,707,158.33		0		0.00					0			0.00				0		0.00			0.00					623			215,707,158.33

30 days					4					1,542,057.32			0			0.00					0			0.00				0		0.00			0.00					4			1,542,057.32

60 days					1					862,000.00			0			0.00					0			0.00				0		0.00			0.00					1			862,000.00

90 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

120 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

150 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

180 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

181+ days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

Total					628					218,111,215.65			0			0.00				0				0.00				0		0.00				0.00				628			218,111,215.65


Current				99.20%				98.90%						0.00%		0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				99.20%			98.90%

30 days				0.64%							0.71%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.64%				0.71%

60 days				0.16%							0.40%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.16%		0.40%

90 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

120 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

150 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

180 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

181+ days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

Total		100.00%							100.00%				0.00%		0.00%				0.00%				0.00%			0.00%			0.00%			0.00%					100.00%		100.00%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 8 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



			Current / Delinquent											Bankruptcy						Foreclosure					REO											Total
Group II

	Count						Scheduled Balance							Count			Scheduled Balance	Count				Scheduled Balance					Count			Scheduled Balance	Actual Balance				Count					Scheduled Balance


Current						125						47,466,512.92		0		0.00					0			0.00				0		0.00			0.00					125			47,466,512.92

30 days					1					995,000.00			0			0.00					0			0.00				0		0.00			0.00					1			995,000.00

60 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

90 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

120 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

150 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

180 days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

181+ days					0					0.00			0			0.00					0			0.00				0		0.00			0.00					0			0.00

Total					126					48,461,512.92			0			0.00				0				0.00				0		0.00				0.00				126			48,461,512.92


Current				99.21%				97.95%						0.00%		0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				99.21%			97.95%

30 days				0.79%							2.05%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.79%				2.05%

60 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

90 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

120 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

150 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

180 days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

181+ days				0.00%							0.00%		0.00%			0.00%				0.00%				0.00%				0.00%		0.00%				0.00%				0.00%		0.00%

Total		100.00%							100.00%				0.00%		0.00%				0.00%				0.00%			0.00%			0.00%			0.00%					100.00%		100.00%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 9 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



11. Delinquency Data

			Totals				Totals					Totals					Totals					Totals
		Count % Count		Balance % Balance		Count % Count		Balance % Balance			Count % Count		Balance % Balance			Count % Count		Balance % Balance			Count % Count		Balance % Balance

			5	2,537,057.32			0		0.00			0		0.00			0		0.00			0		0.00
	1 Month				13 Months					25 Months					37 Months					49 Months


			0.66%	0.95%			0.00%	0.00%				0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			1	862,000.00			0		0.00			0		0.00			0		0.00			0		0.00
	2 Months				14 Months					26 Months					38 Months					50 Months


			0.13%	0.32%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	3 Months				15 Months					27 Months					39 Months					51 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	4 Months				16 Months					28 Months					40 Months					52 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	5 Months				17 Months					29 Months					41 Months					53 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	6 Months				18 Months					30 Months					42 Months					54 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%

			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	7 Months				19 Months					31 Months					43 Months					55 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%

																	0		0.00
			0	0.00			0		0.00			0		0.00								0		0.00

	8 Months				20 Months					32 Months					44 Months					56 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	9 Months				21 Months					33 Months					45 Months					57 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%


			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	10 Months				22 Months					34 Months					46 Months					58 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%

														0.00					0.00
			0	0.00			0		0.00			0					0					0		0.00

	11 Months				23 Months					35 Months					47 Months					59 Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%

			0	0.00			0		0.00			0		0.00			0		0.00			0		0.00
	12 Months				24 Months					36 Months					48 Months					60+ Months


			0.00%	0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%			0.00%		0.00%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 10 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



12. Loss Mitigation and Servicing Modifications


			Current			1 Payment			2 Payments				3+ Payments				Foreclosure				REO		Total

		Modification Type	Count		Scheduled Balance	Count		Scheduled Balance	Count			Scheduled Balance	Count		Scheduled Balance		Count	Scheduled Balance			Count	Scheduled Balance	Count	Scheduled Balance


Group I		Capitalizations	0		0.00	0		0.00		0		0.00		0		0.00	0		0.00	0		0.00	0	0.00


		Other Modifications	0		0.00	0		0.00		0		0.00		0		0.00	0		0.00	0		0.00	0	0.00



Group II		Capitalizations	0		0.00	0		0.00		0		0.00		0		0.00	0		0.00	0		0.00	0	0.00


		Other Modifications	0		0.00	0		0.00		0		0.00		0		0.00	0		0.00	0		0.00	0	0.00



		Capitalizations		0	0.00		0	0.00			0	0.00		0		0.00	0		0.00	0		0.00	0	0.00

	Deal Totals
		Other
				0	0.00		0	0.00			0	0.00		0		0.00	0		0.00	0		0.00	0	0.00



				Payoffs										Repurchases					Liquidations													Total

		Current Month					Cumulative						Current Month			Cumulative			Current Month				Cumulative								Current Month						Cumulative
Modification Type

		Count			Scheduled Balance		Count		Scheduled Balance			Count			Scheduled Balance	Count	Scheduled Balance	Count		Scheduled Balance			Count		Scheduled Balance					Count					Scheduled Balance		Count		Scheduled Balance


Group I	Capitalizations		0		0.00		0			0.00			0		0.00	0	0.00	0		0.00			0				0.00			0					0.00		0				0.00


	Other Modifications		0		0.00		0			0.00			0		0.00	0	0.00	0		0.00			0				0.00			0					0.00		0		0.00



Group II	Capitalizations		0		0.00		0			0.00			0		0.00	0	0.00	0		0.00			0				0.00			0					0.00		0				0.00


	Other Modifications		0		0.00		0			0.00			0		0.00	0	0.00	0		0.00			0				0.00			0					0.00		0		0.00



Deal Totals	Capitalizations		0		0.00		0			0.00			0		0.00	0	0.00	0		0.00		0				0.00			0					0.00		0				0.00


	Other Modifications

		0		0.00		0		0.00			0			0.00	0	0.00	0		0.00		0			0.00				0					0.00		0			0.00

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 11 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



13. Losses and Recoveries
A. Current Cycle Realized Losses

			Current Period Realized Losses		Liquidations					Charge-Offs					Servicing Modifications						Bankruptcy Losses	Total

		Loss Count			0								0					0			0				0


	Group I	Beginning Aggregate Scheduled Balance			0.00								0.00						0.00		0.00				0


		Principal Portion of Loss					0.00							0.00						0.00	0.00					0.00



		Interest Portion of Loss						0.00						0.00						0.00	0.00					0.00


		Total Realized Loss		0.00								0.00					0.00				0.00	0.00


		Loss Count			0								0					0			0				0


	Group II	Beginning Aggregate Scheduled Balance			0.00								0.00						0.00		0.00				0


		Principal Portion of Loss					0.00							0.00						0.00	0.00					0.00



		Interest Portion of Loss						0.00						0.00						0.00	0.00					0.00


		Total Realized Loss		0.00								0.00					0.00				0.00	0.00


		Loss Count							0				0					0			0						0


		Beginning Aggregate Scheduled Balance							0.00				0.00					0.00			0.00						0.00
	Deal Totals



		Principal Portion of Loss							0.00				0.00					0.00			0.00						0.00


		Interest Portion of Loss						0.00					0.00					0.00			0.00						0.00


		Total Realized Loss					0.00				0.00					0.00					0.00			0.00


B. Cumulative Realized Losses

			Cumulative Realized Losses		Liquidations					Charge-Offs					Servicing Modifications						Bankruptcy Losses	Total


	Group I	Loss Count			0								0					0			0				0


		Total Realized Loss				0.00								0.00						0.00	0.00					0.00



	Group II	Loss Count			0								0					0			0				0


		Total Realized Loss				0.00								0.00						0.00	0.00					0.00



	Deal Totals	Loss Count					0						0					0			0		0


		Total Realized Loss				0.00							0.00					0.00			0.00		0.00

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 12 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



C. Subsequent Recoveries

				Subsequent Recoveries	Current Period								Cumulative


			Subsequent Recoveries Count				0			0
		Group I
			Subsequent Recoveries					0.00			0.00


			Net Loss 1					0.00				0.00


			Net Loss % 2						0.00%					0.00%


			Subsequent Recoveries Count				0			0
		Group II
			Subsequent Recoveries					0.00			0.00


			Net Loss 1					0.00				0.00


			Net Loss % 2						0.00%					0.00%


			Subsequent Recoveries Count					0		0


			Subsequent Recoveries					0.00		0.00
		Deal Totals


			Net Loss 1					0.00		0.00



			Net Loss % 2			0.00%				0.00%

	1 Total Realized Loss less Subsequent Recoveries
	2 Net Loss % of Original Balance

D. Default Percentages

Default Loss Percentage

1 Month

3 Months

6 Months

12 Months

Life of Deal

Group

Monthly Default Rate

0.00%

Constant Default Rate

0.00%

Group

Monthly Default Rate

0.00%

Constant Default Rate

0.00%

Monthly Default Rate

0.00%

Deal Totals

Constant Default Rate

0.00%

1-Month MDR (Current Month) = SUM(Beginning Scheduled balances of liquidating loans) / [SUM(Beginning Scheduled loan balances)- SUM(Scheduled Principal payments)]
m-Month = 3, 6, 12, months or the life of deal to date
m-Month MDR(over m months in period where n is current month)= 1-[(1-MDRn-m+1) * (1-MDRn-m+2) *.* (1-MDR n-1) * (1-MDRn)]^(1/m)
CDRm = 1- [(1- MDRm)^12],where m is number of months in period

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 13 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



15. Distribution Percentages


		Beginning Current Super		Beginning Current	Beginning Current		Beginning Current Senior

	I	0.00000000%		0.00000000%	95.35206053%	100.00000000%



	II	0.00000000%		0.00000000%	95.34322245%	100.00000000%



		Ending Percentage

	M-1		1.80461265%

	M-2		1.13434937%

	M-3		0.72162014%

	Class M Total:		3.66058216%


	B-1		0.46408609%

	B-2		0.30926577%

	B-3		0.25766341%

	Class B Total:		1.03101527%

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 14 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006


18. Performance Tests

			Group I	Group II

	Current Distribution Date >= Target Distribution

		Current Distribution Date >= Target Distribution Date	False	False

	Current Senior Pct > Initial Senior Percent

		Current Senior Percentage > Original Senior Percentage	False	False

	60+ Dlq Avg Loan Balance / Subordinate Balance

		Dlq Average Loan Balance / Class M and B balance Test	False	False

	Aggregate Realized Loss Pct < Scheduled Loss Pct

		Aggregate Realized Loss Test	False	False

	Sr. Accel. % Trigger - 1st Trigger Event

		1st Senior Accelerated Stepdown Trigger	False	False

	Sr. Accel. % Trigger

		Senior Accelerated Stepdown Trigger in effect?	False	False

	Current Sub % >= 2 Times Original Sub %

		Current Subordinate Percentage >= 2 Times Original Subordinate Percentage	False	False

	Aggregate Realized Loss Pct < Scheduled Loss Pct

		Aggregate Realized Loss Percentage > 2nd Scheduled Loss Percentage	False	False

	Sr. Accel. % Trigger - Delinquent Test & Cummulati

		Delinquency Test AND Aggregate Realized Loss Test	False	False

	Sr. Accel. % Trigger - SubTest AND 2TimesTrigger

		Subordinate Pct > 2X Initial Subordinate Pct AND Delinquency Test AND Aggregate Realized Loss	False	False

	Sr. Accel. % Trigger - TriggerEvent OR 2TimesTest

		Senior Accelerated Stepdown Trigger in effect?	False	False

	M-2, M-3, B-1, B-2, B-3 BegBal/PoolBal

		Class M-2 Prepayment Distribution Trigger	False	False

	M-3, B-1, B-2, B-3 BegBal/PoolBal

		Class M-3 Prepayment Distribution Trigger	False	False

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 15 of 16

Statement to Certificateholder

Residential Funding Mtg Sec I, 2006-SA1

June 26, 2006



B-1, B-2, B-3 BegBal/PoolBal

	Class B-1 Prepayment Distribution Trigger	False	False

B-2, B-3 BegBal/PoolBal

	Class B-2 Prepayment Distribution Trigger	False	False

B-3 BegBal/PoolBal

	Class B-3 Prepayment Distribution Trigger	False	False



20. Comments

	ERISA Text:	Each beneficial owner of any Certificate (or any interest therein) which provides credit enhancement for any other Certificate and is available in book-entry form, including any such

		Class M Certificate, shall be deemed to have represented, by virtue of its acquisition or holding of such Certificate (or interest therein), that either: a) it is not an employee benefit
		or other plan subject to the prohibited transaction provision of the Employee Retirement Income Security Act of 1974, as amended('ERISA'), or Section 4975 of the Internal Revenue
		Code of 1986, as amended (a 'Plan'), or any other person (including an investment manager, a named fiduciary or a trustee of any Plan) acting, directly or indirectly, on behalf of
		purchasing any Certificate with 'plan assets' of any Plan; or b) (i) the transferee is an insurance company, (ii) the source of funds to be used by it to purchase the Certificates is an
		'insurance company general account' (within the meaning of Department of Labor Prohibited Transaction Class Exemption ('PTCE') 95-60), and (iii) the conditions set forth in
		Section I and III of PTCE 95-60 have been satisfied. Any purported beneficial owner of any such book-entry Certificate (or interest therein) to whom either (a) or (b) above does not
		apply shall indemnify and hold harmless the Company, the Trustee, the Master Servicer, any Subservicer, and the Trust Fund from and against any and all liabilities, claim, cost or
		expenses incurred by such parties as a result of its acquisition or holding of such Certificate.

06/29/2006

10:42:17AM

GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors

Page 16 of 16



	Statement To Certificateholder



	Residential Funding Mtg. Sec I, 2006-SA1

	June 26, 2006



	Cash Flow Received and Uses of Funds


	Cash Flow Received		Amount

	Principal and Interest Payments		3,727,650.68
	Prepayment Premium		0.00
	Liquidation and Insurance Proceeds		0.00
	Subsequent Recoveries		0.00
	Repurchase Proceeds		0.00
	Other Deposits/Adjustments (including Derivative Payment)		3,067.45
	Total Deposits		3,730,718.13

	Uses of Funds		Amount

	Transfer to Certificate Account		3,722,109.60
	Reimbursed Advances and Expenses		0.00
	Master Servicing Compensation		8,608.55
	Derivative Payment/ Reserve Draw		NA
	Total Withdrawals		3,730,718.15

	Ending Balance		0.00



		GMAC-RFC, 2255 North Ontario Street, Suite 400, Burbank, CA 91504, 818.260.1400, www.gmacrfc.com/investors	Appendix A

RFMSI Series 2006-SA1Trust 10-D