GSFA Platinum Select Calculator

GSFA Platinum Select — a repayable second mortgage plus a gift that never has to be repaid, for heroes and educators.

GSFA Platinum Select at a glance

Primary residence only — the borrower(s) must live in the home as their primary residence.
No first-time homebuyer requirement — first-time and repeat buyers can both qualify.
For law enforcement, firefighters and EMTs (including support staff), medical and healthcare workers, CalSTRS/UCRP members, and California school and college employees.
See the "Select" qualifying occupations
Part of the assistance is a gift that never has to be repaid and creates no lien on your home.
The rest is a 15-year second mortgage with monthly payments, at the same interest rate as your first mortgage.
Minimum credit score 640; debt-to-income ratios up to 50% may qualify.
No purchase price limit — the first mortgage loan itself is capped at $832,750.
GSFA sets no income limit for FHA, VA or USDA loans; conventional income limits vary by county.
GSFA's official Platinum program page

Your numbers

Purchase Price

Appraised Value

County

GSFA sets no income limit for FHA, VA or USDA loans. Conventional income limits vary by county — GSFA's official income limits

First Mortgage Type

Down Payment

Enter either the % or the $ amount — the other updates automatically.

Rate Tier

Assistance tiers from NHF's GSFA rate page, as of October 23, 2026 — tiers change with rates.
See current GSFA rates

First Mortgage Rate %

Auto-filled from your rate tier — edit it freely and it stays yours.

Term

GSFA first mortgages are 30-year fixed.

Upfront MIP % (financed) Annual MIP %

How HUD sets the upfront & annual MIP — FHA's official chart

Closing Costs

Defaults to 2.5% of the purchase price.

HOA Dues (monthly)

Annual Household Income (optional)

For reference against GSFA's income limits — it doesn't change the math.

This first mortgage exceeds GSFA's maximum of $832,750.

First Mortgage

Base loan amount—

Financed fees—

Total first mortgage—

Principal & interest (monthly)—

LTV—

CLTV (with second mortgage)—

Want to lower these early payments? Try the Temporary Buydown Calculator

Your Assistance

Second mortgage—

15-year, same rate as your first mortgage — —/month

Gift—

Never repaid — no lien on your home.

Total assistance—

Monthly Payment

Principal & interest—

Second mortgage payment—

Property taxes—

Homeowner's insurance—

Mortgage insurance—

HOA dues—

Total monthly payment—

Cash Needed to Close

Down payment—

Closing costs—

Less second mortgage—

Less gift—

Cash needed—

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Estimates only — this calculator is for illustration and is not a commitment to lend or an offer of credit. GSFA Platinum Select eligibility (including the qualifying occupations), income limits, rates and assistance tiers are set by the Golden State Finance Authority and NHF and change without notice. The gift portion is subject to market conditions. Final eligibility is determined at application. Taxes are estimated at 1.25% of the purchase price per year and insurance at 0.25% per year; your actual figures will vary. Radlam Thai, NMLS# 892235, Groves Capital, NMLS# 1678775.