AC Boost - Alameda County Down Payment Assistance
AC Boost - Alameda County Down Payment Assistance is a shared-appreciation loan for homebuyers in Alameda County, California.
The program asks for
- First-time homebuyer — the program sets its own definition
- The home is occupied as a primary residence
- On credit: Contact lender for current credit score requirements
- A completed homebuyer education course
- Residency: Must live in, work in, or have been displaced from Alameda County; purchase within county
- Citizenship or immigration status: U.S. citizen, permanent resident alien, or other eligible non-citizen
- Must purchase in Alameda County unincorporated area or participating city. Shared equity model: county retains proportional share of appreciation. Lottery-based selection.
- A home in Alameda County
It doesn’t cover
- Manufactured homes
- Purchases above the $1.0M price cap
- Households above 150% of area median income
- Homes outside Alameda County
These are the program's own published rules, not a decision about any individual — the administering agency and a lender determine who actually qualifies.
Income limit
150% of Alameda County’s area median income
HUD sets the area median income each year. The limit changes with household size, so a family of five has a higher limit than a single homebuyer.
Where it applies
Alameda County’s homesAlameda County’s homes, and the ones this program accepts
- 51% single-familysingle-family
- 8.8% townhousetownhouse
- 10.1% 2–4 units2–4 units
- 28.8% 5+ unitscondo & apartment buildings (5+ units)
- 1.4% mobile & othermobile home & other
A tick marks a kind of home the program’s record lists. The agency confirms it for the home you choose.
$1.1M
Alameda County median home value
65.3%
built before 1980
U.S. Census Bureau, ACS 2024 5-year. More about buying in Alameda County
How to apply
How to applyThree steps, in this order
Take a homebuyer education course
Required by the program before funds are reserved.
Contact the administering agency to reserve funds
Funds are reserved through Contact provider directly; subject to funding availability, and are subject to availability.
Work with a lender who handles the program
Hey Prescott is not a lender and does not accept applications; this page describes the program so a homebuyer can take it to a lender or housing counselor.
Questions about this program
What is AC Boost - Alameda County Down Payment Assistance?
AC Boost - Alameda County Down Payment Assistance is a shared-appreciation loan for homebuyers in Alameda County, California. Shared appreciation loan up to $150,000 for first-time homebuyers who live in, work in, or have been displaced from Alameda County. Income at or below 120% AMI. Apply entirely online without going through lender first. Funded by Measure A1. Up to $150,000 in assistance. shared equity with provider at resale. Funding comes from County Measure A1 Bond.
How much assistance does it provide?
AC Boost - Alameda County Down Payment Assistance offers up to $210,000 in assistance. The program asks homebuyers to contribute 1% of purchase price (borrower minimum). Amounts are the program's published maximums, not an offer — the administering agency determines any individual award.
Do you have to pay it back?
AC Boost - Alameda County Down Payment Assistance is a shared-appreciation loan and is repaid under the terms set by the administering agency. Repayment is triggered by Sale, transfer, or refinance (shared appreciation). The assistance is recorded in Second position. Forgiveness and repayment terms are set by the program and can change — confirm them on the official program page before applying.
Who qualifies?
AC Boost - Alameda County Down Payment Assistance is open to first-time homebuyers and homebuyers who will live in the home as their primary residence. "First-time homebuyer" usually means not having owned a home in the last three years, but the program sets its own definition. On credit, the program states: Contact lender for current credit score requirements. A homebuyer education course is required. Residency requirement: Must live in, work in, or have been displaced from Alameda County; purchase within county. Citizenship or immigration status: U.S. citizen, permanent resident alien, or other eligible non-citizen. Must purchase in Alameda County unincorporated area or participating city. Shared equity model: county retains proportional share of appreciation. Lottery-based selection.
What are the income limits?
AC Boost - Alameda County Down Payment Assistance limits household income to 150% of the area median income, which varies by county and household size. 150% AMI; 4-person household limit ~$177,500 (2026 Alameda Co. AMI). The limit applies to total household income, not only the borrower’s. The program lists a maximum household size of 8. Area median income figures are published by HUD and updated annually, so check the current table for the county before relying on a number.
What kind of home can it be used for?
AC Boost - Alameda County Down Payment Assistance caps the purchase price at $1.0M. Eligible property types include Single-family (1-4 unit), FHA-approved condominium, townhome/PUD. New construction is eligible. Manufactured homes are not eligible.
Where does it apply?
AC Boost - Alameda County Down Payment Assistance serves homebuyers purchasing in Alameda County, California.
How do you apply?
Applications for AC Boost - Alameda County Down Payment Assistance go through the administering agency, which publishes the current terms and the application steps on its own site. Funds are reserved through Contact provider directly; subject to funding availability. Hey Prescott is not a lender and does not accept applications; this page describes the program so a homebuyer can take it to a lender or housing counselor.
Also for Alameda County homebuyersOther programs open to Alameda County homebuyers
- GSFA Platinum Grant - Alameda County SpecificGrant
- Habitat for Humanity East Bay/Silicon Valley - Homeownership ProgramGrant
- Habitat for Humanity Tri-ValleyGrant
Whether two programs can be combined is up to each agency. Ask before you apply.
All 111 programs for Alameda CountyProgram terms are set by the administering agency and can change; confirm on the official site before you apply.