Current down payment assistance guidelines, updated from one source.
These figures are read from Lendmire’s centralized down payment assistance standards source and update automatically when the programs change. Every state and city guide in this series reads the same source.
Of the purchase price
Up to this share of the price can come from assistance: the largest option reaches closing costs as well as the down payment, while the smaller options cover the 3.5% FHA minimum.
Covers the whole FHA down payment
The FHA minimum down payment is 3.5%, and this option covers all of it with nothing to pay back — no lien, no payment, no interest — for buyers at or below the area income limit or in a qualifying category.
On the forgivable and repayable options
Most of the options carry no income limit, so a higher-earning household qualifies the same as anyone else; only the nothing-to-repay option looks at income, at 140% of the area median, or at a qualifying category.
Credit score to start
This is the lowest score that opens an option here — the nothing-to-repay option; the forgivable second liens start a little higher and the repayable options higher still, so a stronger score opens more choices.
| Option | Assistance | What you repay | Credit · mortgage · units |
|---|---|---|---|
| Grant-style assistance — nothing to repay | 2% or 3.5% of the price | Nothing — released at closing | 620+ · FHA 203(b), FHA repair escrow, FHA Limited 203(k), FHA Standard 203(k) · 1–4 units |
| Forgivable second lien — three-year | 3.5% of the price | Nothing after 36 on-time mortgage payments | 640+ · FHA 203(b), FHA Limited 203(k), HUD-184, USDA · 1–2 units |
| Forgivable second lien — five-year | 3.5% of the price | Nothing after 60 on-time mortgage payments | 640+ · FHA 203(b), FHA Limited 203(k), HUD-184, USDA · 1–2 units |
| Repayable second lien — thirty-year amortization, ten-year balloon | 3.5% or 5% of the price | Second lien, 30-year amortization, balloon in year 10 | 660+ · FHA 203(b), FHA Limited 203(k), HUD-184, USDA · 1–2 units |
| Closing-cost repayable second lien | 3.5% or 5% of the price | Second lien, 30-year amortization, balloon in year 10 | 660+ · FHA 203(b) · 1–2 units |
| Refinance-cost second lien (repayable) | 1% to 3.5% of the balance | Second lien, repaid | 660+ · FHA 203(b) · 1–4 units |
Current down payment assistance snapshot · updated September 7, 2026 · six options offered in California · no option requires a first-time buyer · no option combines with another assistance program · owner-occupied primary residences only.
Down payment assistance options are consumer mortgage programs arranged through select wholesale lenders, licensed in sixteen states, paired with FHA, USDA, or HUD-184 first liens. Assistance is stated as a percentage of price or value, never as a dollar figure a specific borrower would receive; the forgivable and repayable options are second liens with their own disclosures. Eligibility depends on the first lien’s approval, the option’s rules, the property, and full underwriting, subject to lender program eligibility. The calculator’s rate is an editable market benchmark, not a quote, and its payment is an illustrative estimate; no fee or lender identity appears on this page. Lendmire is a mortgage broker and never the lender, and is not affiliated with or acting on behalf of FHA, VA, USDA, HUD, or the federal government.
What down payment assistance is — and how the options differ.
First-time home buyer programs are not one program; they are a family of down payment assistance options paired with a government-backed first lien, and the right one for a San Mateo, CA buyer depends on credit, the first lien, the property, and whether the help needs to reach closing costs.
For the program overview, see Lendmire’s down payment assistance program, or the statewide guide at Down Payment Assistance in California.
Assistance covers the FHA down payment
An FHA purchase asks for a minimum investment from the buyer; the assistance covers it, measured as a percentage of the lesser of price or value, and the largest option carries a further share for closing costs and prepaids.
Four shapes: grant, forgivable, repayable, refinance
The assistance comes as a grant where it is offered, as a forgivable second lien, or as a repayable second lien; each pairs with the first lien differently, and the options table on this page shows what is offered in California.
Credit floors, mortgage programs, and unit counts
Credit decides which options are open; the first lien decides which options attach; the property’s unit count and type decide which option carries it. The options table shows all three side by side.
Eligibility without a first-time-buyer rule
In San Mateo, CA, the question is not whether this is a first home; it is which option fits the credit, the first lien, and the property — and, for the nothing-to-repay option, which qualifying category applies.
Enter a price, choose an option, and add your own cash. The calculator sizes the minimum investment, splits the assistance between the down payment and closing costs, and estimates the FHA payment with mortgage insurance, taxes, insurance, and dues.
Where San Mateo’s first-time and moderate-income buyers shop — and how the assistance fits.
These San Mateo, CA figures describe the market, not a borrower; the first lien’s approval and the option’s rules carry the file, and the numbers here only explain the neighborhood it sits in.
Market context only. A large renter share signals demand for the program; a moderate median value signals that the minimum investment is within the assistance’s reach; the two together describe where the program closes most files.
Data sources: U.S. Census Bureau — ACS 5-Year (2024) housing and population estimates, including tenure, home values, gross rents, and household income.
Distinct San Mateo submarkets, distinct property rules.
Across San Mateo’s condominiums, townhomes, and older neighborhoods close to work, the same program produces different closings because prices, property types, and first liens differ block by block.
Older neighborhoods and renovation loans
In San Mateo’s established neighborhoods, a buyer can use the program with a limited or standard renovation loan, so the down payment help and the repair budget close together. The median owner-occupied home value in San Mateo runs near $1,618,700 on the latest Census estimate.
New construction and infill
Infill and new-build homes in San Mateo pair with the assistance as long as the property is the buyer’s primary residence and the first lien is a government program. About 50% of San Mateo’s households rent — roughly 19,985 renter households, the pool the program exists for.
Condominiums close to work
Condominiums are often the entry point in San Mateo, and the assistance follows the first lien: the building needs FHA approval, or a single-unit approval, before the down payment help can attach to it. San Mateo counts a population near 103K within the San Francisco-Oakland-Fremont, CA area.
Townhomes and attached homes
Attached homes and townhomes in San Mateo sit at price points where the minimum investment is smaller in dollars but no easier to save; the assistance closes that gap, and the association’s documents are reviewed with the file. Median household income in San Mateo sits near $153,504 on the latest Census estimate.
Two-to-four-unit homes, owner-occupied
The small multi-unit stock in San Mateo is a path to a first home that also earns rent; the assistance pairs with the first lien on the building, up to the option’s unit limit. Median gross rent in San Mateo is about $3,077 a month — the payment many renters already carry.
Manufactured homes on owned land
For San Mateo buyers looking at manufactured housing, the assistance is available on owned land, with single-width homes reaching only the option that accepts them. On a home at San Mateo’s median value, the FHA minimum investment comes to about $56,700 — the figure the assistance is built to cover.
None of this is a valuation or an approval; it is the backdrop a San Mateo file is read against before the first lien and the option decide the numbers.
Four ways San Mateo buyers put down payment assistance to work.
From a first home to a small multi-unit building to an FHA refinance, down payment assistance in San Mateo, CA solves a specific set of problems.
Cover closing costs too on the larger option
The larger option exists for the San Mateo, CA closing where the down payment is only half the problem: it carries the minimum investment and a further share for costs.
Buy a two-to-four-unit home and live in one unit
An owner-occupied duplex, triplex, or fourplex in San Mateo qualifies on the option that reaches four units; the buyer lives in one unit and the assistance covers the minimum investment on the whole building.
Buy a first home with the down payment covered
A San Mateo buyer with the income for the payment but not the cash to close uses the assistance to cover the FHA minimum investment, some with nothing to repay, and keeps savings for the move.
Cover the costs of an FHA refinance
A San Mateo homeowner refinancing an existing FHA loan can use the refinance-cost option, a repayable second lien sized on the balance, to cover closing costs and keep the first lien inside FHA limits.
Size the assistance on a San Mateo price before requesting a quote.
Run a San Mateo price through the options before you request a quote: the minimum investment, the assistance applied, what is left for closing costs, the mortgage insurance tier, and the estimated payment. Enter income to see the ratios a lender reads.
San Mateo FHA payment with assistance
Illustrative San Mateo inputs; the calculator recalculates on every change.
Editable benchmark: 6.71% as of September 3, 2026 · Freddie Mac 30-year average via FRED®. A conventional market reference, not an FHA loan quote.
Illustrative starting assumptions: a $600,000 price near San Mateo’s median owner-occupied home value (kept where an FHA first lien is realistic), the strongest assistance option offered in California applied against the FHA minimum investment, a thirty-year term at the current Freddie Mac benchmark, property taxes and insurance estimated for California (U.S. Census Bureau). Every field is editable.
Illustrative estimate only — not a Loan Estimate, approval, quote, or commitment to lend. The rate field carries the weekly Freddie Mac thirty-year conventional benchmark, a market reference and not an FHA loan quote; your rate is set by the lender at lock. FHA mortgage insurance follows HUD’s published schedule for the term, leverage and loan size entered; taxes, insurance and dues are editable estimates; closing costs are not included; a repayable second lien adds its own payment, which is not shown here. Consumer mortgage lending licensed in sixteen states. Lendmire is not affiliated with or acting on behalf of FHA, USDA, HUD, or the federal government.
Same buyer, four very different closings.
A San Mateo, CA buyer can reach the closing table several ways; the difference is where the minimum investment comes from and what it costs to carry afterward.
Assistance on a government loan, saving the minimum, or a gift.
The structure for a San Mateo buyer who qualifies for the payment but not the cash to close — the help is sized on the price and the option decides what, if anything, is owed afterward.
For a San Mateo, CA buyer with the cash in hand, the plain FHA purchase is the cleaner file; the assistance exists for the buyer who does not have it yet. For the first lien itself, see Lendmire’s FHA loan program.
USDA and HUD-184 first liens pair with the forgivable and repayable options, which then cover closing costs and prepaids rather than a down payment the first lien does not require. For the USDA first lien, see the USDA loan program.
Choose by what you have: cash for the minimum investment, family who can gift it, a USDA-eligible property, or none of those — the assistance is for the last case, and the most common one.
What to prepare for a San Mateo scenario review.
A typical starting file for a first purchase with assistance.
This is a general preparation guide, not a universal checklist. The selected lender may request additional information based on the mortgage, the assistance option, the property, and the eligibility category. Nothing here is legal or tax advice.
Local details that can change the loan.
These are the points a lender reads on a San Mateo assistance file before the option is confirmed; each one can move the structure.
Use these checks to keep the San Mateo file clean and fundable.
Three checks keep a San Mateo assistance file on track: know which option the credit tier opens, know which first lien the property can carry, and know the category that opens the nothing-to-repay option.
- Know the option: confirm the option is offered in the state.
- Confirm the category: remember that the second-lien options carry no income limit.
- Plan for the balloon: read the second lien’s own disclosures.
The option decides what you owe afterward
The same minimum investment can be covered three ways in San Mateo, CA, and the difference is entirely in what happens after closing: nothing, nothing if the first lien stays current, or a second loan that comes due; the options table shows what is offered.
The eligibility category for the nothing-to-repay option
The category is checked at application on the nothing-to-repay option, together with the signed assistance application and the education certificate; no option requires a first-time buyer, and the second-lien options carry no income limit.
The balloon on the repayable option
The repayable second lien amortizes over thirty years but comes due in the tenth year; it carries interest and a monthly payment, its own loan number, and a balloon disclosure. It is the option that reaches closing costs, and it is a loan.
No stacking with other assistance
No option may be combined with another down payment assistance program, and the nothing-to-repay option does not combine with a high-balance first lien; one assistance option, one first lien, one closing.
Blended scores for two-borrower files
A San Mateo, CA couple where one score is strong and the other is not may reach an option through the blended score; the rule is that the higher earner carries the higher score, and manual underwriting is off the table when blending.
From a San Mateo pre-approval to keys with the assistance in place.
The path from a San Mateo pre-approval to keys with the assistance in place runs through the option first and the paperwork second.
Pick the option
Every San Mateo file starts with the option and the first lien; the category, the education course, and the property rules are then settled around them, in that order.
Get the mortgage approved
Lendmire packages the San Mateo file for the first lien first, because the assistance follows its approval; the option’s floor and the first lien’s rules both have to clear.
Clear the property
The property side of a San Mateo, CA file is where the option can change: unit count, project approval, and the loan limit are confirmed before the closing is scheduled.
Close both loans together
Final underwriting reads the whole San Mateo, CA file against the first lien’s rules and the option’s; the loan funds with the assistance in place and the second lien, where there is one, recorded behind it.
A brokerage that pairs the assistance to the loan.
An assistance file rewards preparation, and preparation is what a brokerage built for first-time and moderate-income buyers provides.
The option, matched to the buyer
Lendmire reads the options offered in California against a San Mateo buyer’s credit, first lien, property, and category before anything is ordered, and names the fit by cost to carry.
The mortgage, matched to the property
USDA where the address is eligible, HUD-184 where the buyer qualifies, FHA everywhere; the San Mateo, CA first lien is the foundation the assistance stands on.
The right wholesale program
Not every wholesale lender carries down payment assistance, and the ones that do differ on shape, floors, and states; Lendmire knows which is which.
Trusted by first-time buyers & families alike.
San Mateo down payment assistance FAQs
Plain answers to the questions San Mateo buyers ask most about down payment assistance, before you request a review. Every file is underwritten individually; nothing here is a commitment.
Do I have to be a first-time homebuyer?
No. None of the options requires a first-time buyer. Being a first-time buyer is one of four categories that opens the nothing-to-repay option; the second-lien options have no first-time-buyer rule and no income limit at all.
Is there an income limit?
A San Mateo buyer above the area income limit still reaches the nothing-to-repay option through an occupation, a first purchase, or the tract, and reaches the second-lien options regardless of income.
What first-time home buyer programs are available in San Mateo?
Four shapes paired with a government first lien: a nothing-to-repay option released at closing; forgivable second liens with no interest and no payment, released after an on-time payment period; a repayable second lien with a balloon that also reaches closing costs and prepaids; and a refinance-cost option for an existing FHA loan. The options table on this page shows what is offered in California.
Do I have to pay the assistance back?
For a San Mateo buyer, the nothing-to-repay option where offered, otherwise a forgivable second lien; the options table on this page shows what each costs to carry.
What credit score do I need?
Each option has its own floor, starting in the low six hundreds on the nothing-to-repay option and stepping up on the forgivable and repayable second liens; every borrower needs a score, and two-borrower files may qualify on a blended score on the second-lien options. The snapshot shows the floors in force.
Can the assistance cover closing costs too?
The repayable options reach closing costs; the others stop at the down payment. A San Mateo buyer short on both uses the larger option.
What is the repayable option and when does it make sense?
It is a loan — the only purchase option with a payment — in exchange for covering the most. A San Mateo buyer chooses it for the closing-cost coverage or the high-balance pairing.
Is there an option for refinancing?
For an existing FHA loan, yes — a repayable option sized on the balance, for a full refinance rather than a streamline.
Can I buy a duplex or a fourplex with assistance?
Owner-occupied small multi-unit homes qualify, with the unit count deciding the option; a San Mateo buyer living in one unit of a fourplex uses the option that reaches four.
Can I combine this with another assistance program?
The options do not stack with each other or with local, state, or employer programs; a San Mateo buyer eligible for more than one chooses the one that fits best.
The down payment is the hurdle. Let us clear it.
Share the property, the price, and a little about your situation; a Lendmire loan officer names the option that fits and follows up.
This guide covers San Mateo — for the statewide options, categories, and property rules, see Down Payment Assistance in California, part of Lendmire’s down payment assistance program.
Also in California: Santa Maria · Hawthorne · Delano · Redding · FHA Loans · USDA Loans