				Credit Suisse First Boston Mortgage Securities Corp.				Contact:
				Home Equity Pass-Through Certificates, HEAT Series 2005-2				Kristy Frideres
								Account Administrator
								651-495-2124
				STATEMENT TO CERTIFICATEHOLDERS				kristy.frideres@usbank.com
				Section 4.04 of the PSA, dated March 1, 2005

Distribution Date:

25-May-05

		Original	Beginning				Interest		Ending
		Certificate	Certificate	Principal	Interest	Realized Loss	Shortfall	Total	Certificate
Class	Cusip	Face Value	Balance (1)	Distribution	Distribution	of Principal	Amount	Distribution	Balance (1)
1-A-1	437084JG2	$500,000,000.00	$496,374,047.10	$8,349,554.76	$1,340,209.93	N/A	$0.00	$9,689,764.69	$488,024,492.34
1-A-2	437084JH0	$125,000,000.00	$124,093,511.78	$2,087,388.69	$340,223.04	N/A	$0.00	$2,427,611.73	$122,006,123.09
2-A-1	437084JJ6	$182,750,000.00	$179,713,888.79	$7,090,084.88	$467,256.11	N/A	$0.00	$7,557,340.99	$172,623,803.91
2-A-2	437084JK3	$119,000,000.00	$119,000,000.00	$0.00	$319,316.67	N/A	$0.00	$319,316.67	$119,000,000.00
2-A-3	437084JL1	$20,275,000.00	$20,275,000.00	$0.00	$57,107.92	N/A	$0.00	$57,107.92	$20,275,000.00
A-IO-1	437084JM9	$189,405,000.00	$187,891,289.53	$0.00	$1,098,055.50	N/A	$0.00	$1,098,055.50	$184,385,883.87
A-IO-2	437084KA3	$1,054,000,000.00	$0.00	$0.00	$0.00	N/A	$0.00	$0.00	$1,054,000,000.00
A-IO-S	437084KB1	$1,150,000,050.00	$1,142,431,447.67	$0.00	$130,206.49	N/A	$0.00	$130,206.49	$1,124,904,419.34
M-1	437084JQ0	$38,525,000.00	$38,525,000.00	$0.00	$111,401.46	$0.00	$0.00	$111,401.46	$38,525,000.00
M-2	437084JR8	$35,075,000.00	$35,075,000.00	$0.00	$102,302.08	$0.00	$0.00	$102,302.08	$35,075,000.00
M-3	437084JS6	$24,150,000.00	$24,150,000.00	$0.00	$71,041.25	$0.00	$0.00	$71,041.25	$24,150,000.00
M-4	437084JT4	$20,125,000.00	$20,125,000.00	$0.00	$62,387.50	$0.00	$0.00	$62,387.50	$20,125,000.00
M-5	437084JU1	$20,125,000.00	$20,125,000.00	$0.00	$62,890.63	$0.00	$0.00	$62,890.63	$20,125,000.00
M-6	437084JV9	$16,100,000.00	$16,100,000.00	$0.00	$51,251.67	$0.00	$0.00	$51,251.67	$16,100,000.00
B-1	437084JW7	$16,100,000.00	$16,100,000.00	$0.00	$57,423.33	$0.00	$0.00	$57,423.33	$16,100,000.00
B-2	437084JX5	$14,375,000.00	$14,375,000.00	$0.00	$52,468.75	$0.00	$0.00	$52,468.75	$14,375,000.00
B-3	437084JY3	$8,625,000.00	$8,625,000.00	$0.00	$36,800.00	$0.00	$0.00	$36,800.00	$8,625,000.00
B-4	437084JZ0	$9,775,000.00	$9,775,000.00	$0.00	$53,110.83	$0.00	$0.00	$53,110.83	$9,775,000.00
X	437084KC9	$1,150,000,050.00	$1,142,431,447.67	$0.00	$2,084,068.91	N/A	$0.00	$2,084,068.91	$1,124,904,419.34
R	437084JN7	$25.00	$0.00	$0.00	$0.00	N/A	$0.00	$0.00	$0.00
R-II	437084JP2	$25.00	$0.00	$0.00	$0.00	N/A	$0.00	$0.00	$0.00
Total		$1,150,000,050.00	$1,142,431,447.67	$17,527,028.33	$6,497,522.07	$0.00	$0.00	$24,024,550.40	$1,124,904,419.34

(1) Classes A-IO-1, A-IO-2, A-IO-S and X are IO Certs, and the Balances reflected for these Certs are Notional Amounts

			Interest		Ending		Current
	Principal	Interest	Carry-forward	Total	Certificate		Pass-Through
Class	Distribution	Distribution	Amount	Distribution	Balance	Class	Interest Rate
1-A-1	$16.69910952	$2.68041986	$0.00000000	$19.37952938	$976.04898468	1-A-1	3.24000%
1-A-2	$16.69910952	$2.72178432	$0.00000000	$19.42089384	$976.04898472	1-A-2	3.29000%
2-A-1	$38.79663409	$2.55680498	$0.00000000	$41.35343907	$944.58989828	2-A-1	3.12000%
2-A-2	$0.00000000	$2.68333336	$0.00000000	$2.68333336	$1,000.00000000	2-A-2	3.22000%
2-A-3	$0.00000000	$2.81666683	$0.00000000	$2.81666683	$1,000.00000000	2-A-3	3.38000%
A-IO-1	$0.00000000	$5.79739447	$0.00000000	$5.79739447	$973.50061439	A-IO-1	4.98000%
A-IO-2	$0.00000000	$0.00000000	$0.00000000	$0.00000000	$1,000.00000000	A-IO-2	0.00000%
A-IO-S	$0.00000000	$0.11322303	$0.00000000	$0.11322303	$978.17771342	A-IO-S	0.13677%
M-1	$0.00000000	$2.89166671	$0.00000000	$2.89166671	$1,000.00000000	M-1	3.47000%
M-2	$0.00000000	$2.91666657	$0.00000000	$2.91666657	$1,000.00000000	M-2	3.50000%
M-3	$0.00000000	$2.94166667	$0.00000000	$2.94166667	$1,000.00000000	M-3	3.53000%
M-4	$0.00000000	$3.10000000	$0.00000000	$3.10000000	$1,000.00000000	M-4	3.72000%
M-5	$0.00000000	$3.12500025	$0.00000000	$3.12500025	$1,000.00000000	M-5	3.75000%
M-6	$0.00000000	$3.18333354	$0.00000000	$3.18333354	$1,000.00000000	M-6	3.82000%
B-1	$0.00000000	$3.56666646	$0.00000000	$3.56666646	$1,000.00000000	B-1	4.28000%
B-2	$0.00000000	$3.65000000	$0.00000000	$3.65000000	$1,000.00000000	B-2	4.38000%
B-3	$0.00000000	$4.26666667	$0.00000000	$4.26666667	$1,000.00000000	B-3	5.12000%
B-4	$0.00000000	$5.43333299	$0.00000000	$5.43333299	$1,000.00000000	B-4	6.52000%
X	$0.00000000	$1.81223376	$0.00000000	$1.81223376	$978.17771342	R	3.24000%
						R-II	3.24000%
For additional information regarding the Mortgage Loans serviced by Select Portfolio Servicing, Inc.,						LIBOR	3.02000%
please contact Select Portfolio Servicing, Inc. at csfbdeals@spservicing.com.

Page 1

				Credit Suisse First Boston Mortgage Securities Corp.				Contact:
				Home Equity Pass-Through Certificates, HEAT Series 2005-2				Kristy Frideres
								Account Administrator
								651-495-2124
				STATEMENT TO CERTIFICATEHOLDERS				kristy.frideres@usbank.com
				Section 4.04 of the PSA, dated March 1, 2005

Distribution Date:

25-May-05

		GROUP 1	GROUP 2	TOTAL
(i)	Principal Distributions:
	Beginning Balance	692,777,303.58	338,435,949.16	1,031,213,252.74
	Scheduled Principal	500,445.65	228,735.95	729,181.60
	Prepayments (Includes Curtailments)	9,936,497.80	6,861,348.93	16,797,846.73
	Net Liquidation Proceeds	0.00	0.00	0.00
	Loan Purchase Prices	0.00	0.00	0.00
	Total Principal Remittance	10,436,943.45	7,090,084.88	17,527,028.33
	Net Realized Losses	0.00	0.00	0.00
	Ending Balance	682,340,360.13	331,345,864.28	1,013,686,224.41
	Ending Count	4,676	1,661	6,337

(ii)

Aggregate Ending Collateral Balance

743,986,292.60

380,918,126.74

1,124,904,419.34

(iii)

Ending Overcollateralization Amount

0.00

(iv)	Prefunding Account:
	Beginning Balance	65,192,104.39	58,044,169.43	123,236,273.82
	Subsequent Transfer	3,546,171.92	8,471,906.97	12,018,078.89
	Added to available certificate principal	0.00	0.00	0.00
	Amount on Deposit in Prefunding Account	61,645,932.47	49,572,262.46	111,218,194.93

(v)	Interest Distributions:
	Scheduled Interest - Net of Serv Fee & LPMI & Dividend Rewards	3,911,960.82	1,898,424.55	5,810,385.37
	Less Relief Act Interest Shortfall	0.00	0.00	0.00
	Less Net Prepayment Interest Shortfall	0.00	0.00	0.00
		3,911,960.82	1,898,424.55	5,810,385.37
(vi)	Capitalized Interest Account:
	Beginning Balance			949,517.11
	less: Capitalized Interest Requirement	213,484.84	171,672.75	385,157.59
	less: Withdrawal of Overfunded Interest Amount to Depositor			144,764.16
	Ending Balance			419,595.36

(vii)	Servicing Fee	193,552.86	105,913.22	299,466.08
	Trustee Fee	1,443.29	705.07	2,148.36
	Credit Risk Manager Fee	9,525.69	4,653.49	14,179.18
	Excess Servicing Fee	95,104.67	35,101.82	130,206.49
	LPMI	0.00	0.00	0.00

Page 2

				Credit Suisse First Boston Mortgage Securities Corp.				Contact:
				Home Equity Pass-Through Certificates, HEAT Series 2005-2				Kristy Frideres
								Account Administrator
								651-495-2124
				STATEMENT TO CERTIFICATEHOLDERS				kristy.frideres@usbank.com
				Section 4.04 of the PSA, dated March 1, 2005

Distribution Date:

25-May-05

(viii)	Advances	Current Aggregate Advances as of determination date					1,761,357.11
		Outstanding Aggregate Advances as of end of prior calendar month					440,460.03

(ix)

Has SPS failed the Termination Test?

(x)

Delinquency Information

	30-59 days delinquent		60-89 days delinquent		90 or more days delinquent
	Count	Balance	Count	Balance	Count	Balance
Group 1	21	2,634,530.37	1	17,965.07	0	0.00
Group 2	1	145,357.83	0	0.00	0	0.00
Total	22	2,779,888.20	1	17,965.07	0	0.00
*Note: The above statistics do not include loans in foreclosure or bankruptcy proceedings or REO properties.

	Outstanding Loans		Foreclosure		Bankruptcy		REO
	Count	Balance	Count	Balance	Count	Balance	Count	Balance	Market Value
Group 1	4,676	682,340,360.13	0	0.00	3	312,917.99	0	0.00	0.00
Group 2	1,661	331,345,864.28	0	0.00	0	0.00	0	0.00	0.00
Total	6,337	1,013,686,224.41	0	0.00	3	312,917.99	0	0.00	0.00

(xi)	Number of Loans for which Prepayment Premiums were collected	57
	Principal Balance of Loans for which Prepayment Premiums were collected	11,462,750.80
	Current amount of Prepayment Premiums	318,306.65

(xii)	Current Delinquency Rate (60+days)						0.02941%
	Rolling Three Month Delinquency Rate (60+days)						0.01471%

(xiii)	Number of Loans Repurchased						0
	Principal Balance of Loans Repurchased						0.00

(xiv)	Realized Losses incurred during the related Due Period						0.00
	Cumulative Realized Losses since Startup Day						0.00

(xv)	Weighted Average Term to Maturity of Mortgage Loans	355
	Weighted Average Gross Coupon of Mortgage Loans	7.10990%
	Weighted Average Net Coupon of Mortgage Loans	6.59090%

Page 3

				Credit Suisse First Boston Mortgage Securities Corp.				Contact:
				Home Equity Pass-Through Certificates, HEAT Series 2005-2				Kristy Frideres
								Account Administrator
								651-495-2124
				STATEMENT TO CERTIFICATEHOLDERS				kristy.frideres@usbank.com
				Section 4.04 of the PSA, dated March 1, 2005

Distribution Date:

25-May-05

(xvi)

Aggregate number of Mortgage Loans in the pool

6,337

(xvii)

Insured Payment on Class A

0.00

(xviii)

Senior Enhancement Percentage

17.76693%

(xix)	Deposit to Basis Risk Reserve Fund						0.00
	Basis Risk Reserve Fund Balance						5,000.00

(xx)	Group 1 Senior Class Int Rate Cap
		Beginning Balance	0.00
		Deposits	0.00
		Withdrawal to cover Class 1-A-1 & 1-A-2 Basis Risk	0.00
		Withdrawal to pay Class X	0.00
		Ending Balance	0.00

(xxi)	Group 2 Senior Class Int Rate Cap
		Beginning Balance	0.00
		Deposits	0.00
		Withdrawal to cover Class 2-A-1, 2-A-2, and 2-A-3 Basis Risk	0.00
		Withdrawal to pay Class X	0.00
		Ending Balance	0.00

(xxii)	Subordinate Class Int Rate Cap
		Beginning Balance	0.00
		Deposits	0.00
		Withdrawal to cover Subordinate Basis Risk	0.00
		Withdrawal to pay Class X	0.00
		Ending Balance	0.00

(xxiii)	Ending Scheduled Balance of loans serviced by Wells	510,367,754.97
	Ending Scheduled Balance of loans serviced by SPS	503,318,469.44
		1,013,686,224.41

Page 4

Home Equity Asset Trust 2005-2 8-K