How to Buy Your First Home in Contra Costa County: A Step-by-Step 2026 Guide

Buying your first home in Contra Costa County in 2026 takes seven main steps: check your credit and finances, get pre-approved, find a down payment assistance program you qualify for, choose an agent, search and make offers, get through inspection and appraisal, and close. Most first-time buyers here use an FHA or conventional loan paired with a state down payment assistance program like CalHFA MyHome, since Contra Costa's median home price sits in the high-$700,000s to low-$800,000s — well within the county's $1,249,125 FHA and conforming loan limit for 2026. The full process typically takes 30-45 days once you're in contract, but plan on 2-3 months from your first pre-approval conversation to finding the right home, longer in competitive pockets like Walnut Creek or Danville and faster in more affordable East County cities like Antioch, Pittsburg, Oakley, and Bay Point.

Below is the complete step-by-step breakdown, including which down payment programs actually apply here, what loan limits mean for your budget, and the mistakes that trip up most first-time buyers.

What Does It Cost to Buy Your First Home in Contra Costa County Right Now?

As of early 2026, the median single-family home price in Contra Costa County is roughly $780,000, though pricing varies enormously by city — from around $550,000 in San Pablo to well over $2 million in Alamo. East County cities including Antioch, Pittsburg, Oakley, and Bay Point remain the most accessible entry points for first-time buyers, while inventory has been rising in 2026, giving buyers more room to negotiate than in recent years.

Statewide, California's median hit a record high above $930,000 in mid-2026, which makes Contra Costa's East County cities even more attractive by comparison for buyers priced out of closer-in Bay Area markets.

What Are the 2026 Loan Limits for Contra Costa County?

Contra Costa County is classified as a high-cost county, which raises how much you can borrow before falling into "jumbo" loan territory.

• Conforming loan limit (1-unit): $1,249,125
• FHA loan limit (1-unit): $1,249,125
• Low-balance FHA/conforming threshold: $832,750 — loans under this amount typically get you a better rate and only require 3% down

For most first-time buyers targeting East County price points, this means you're comfortably within standard FHA or conventional financing — you won't need a jumbo loan, and you may qualify for the better low-balance pricing.

Step 1: Check Your Credit and Get Your Finances in Order

Start here, 2-3 months before you plan to shop. Lenders generally want a credit score around 640 for FHA loans and 660-680 for conventional loans, though exact minimums vary by lender and program. Pull your credit report, dispute any errors, pay down revolving debt where you can, and avoid opening new credit accounts before applying.

Step 2: Get Pre-Approved (Not Just Pre-Qualified)

A pre-approval means a lender has actually verified your income, assets, and credit — not just asked you a few questions. In Contra Costa's market, sellers routinely expect a real pre-approval letter attached to any offer. This step also tells you your real price range, which shapes everything else, including which down payment assistance programs you're eligible for.

Step 3: Find a Down Payment Assistance Program You Qualify For

This is where most first-time buyers leave money on the table simply because they don't know these programs exist. California has more first-time buyer assistance than any other state, almost all of it run through the California Housing Finance Agency (CalHFA):

• MyHome Assistance Program: A deferred second loan of up to 3.5% of the purchase price (FHA) or 3% (conventional) for down payment and/or closing costs — no monthly payment, repaid when you sell, refinance, or move.
• CalHFA Zero Interest Program (ZIP): Up to roughly 2-3% of your loan amount as a no-interest second loan for closing costs.
• CalHFA MyAccess: A deferred second loan option for eligible buyers needing additional assistance.
• Dream For All Shared Appreciation Loan: Up to 20% of the purchase price (capped at $150,000) for first-generation homebuyers, distributed through a lottery when the application window is open. This program runs on limited funding rounds, so check current availability before counting on it.

Every CalHFA program requires first-time buyer status (no ownership in the past three years), a completed homebuyer education course, and household income under your county's published limit. None of these are grants — they're loans that come due later — so budget for the full monthly payment (principal, interest, taxes, insurance) rather than just the down payment gap.

Step 4: Choose an Agent Who Knows Contra Costa County's First-Time Buyer Landscape

Not every agent works with these assistance programs regularly, and not every lender originates CalHFA loans. Look for an agent and lender who can name the specific programs you qualify for without having to look them up mid-conversation — the paperwork and timelines around DPA loans add real complexity to a transaction, and a first-time buyer needs someone who's done this before.

Step 5: Search and Make a Competitive Offer

With inventory rising across Contra Costa County in 2026, first-time buyers have more negotiating room than in the past few years, especially in East County. That said, well-priced, move-in-ready homes in desirable pockets of Antioch, Pittsburg, Oakley, and Brentwood still attract multiple offers. A strong offer isn't just about price — a clean pre-approval, reasonable contingency timelines, and flexibility on close date all matter to sellers.

Step 6: Inspection, Appraisal, and Loan Underwriting

Once you're in contract, expect:

• Home inspection (within the first 7-10 days) to identify repair needs or negotiate credits
• Appraisal, ordered by your lender, to confirm the home's value supports the loan amount
• Underwriting, where your lender finalizes the loan — this is when your down payment assistance program's own approval process runs in parallel with your first mortgage

This stage is where DPA-backed purchases can take a little longer than an all-cash or standard conventional deal, since your second loan has to clear underwriting too. Build that into your closing timeline expectations from day one.

Step 7: Closing

You'll sign final loan documents, wire your remaining down payment and closing costs, and the sale records with Contra Costa County. Keys typically transfer the same day or the next business day.

Frequently Asked Questions

How much down payment do I actually need to buy a home in Contra Costa County? With FHA financing you can put down as little as 3.5%, and conventional loans under the $832,750 low-balance threshold can go as low as 3% down. Combined with a CalHFA MyHome second loan, many first-time buyers put little to nothing down out of pocket.

Do I have to be a first-generation homebuyer to get down payment help? No. Dream For All requires first-generation status, but MyHome, ZIP, and MyAccess are open to any qualified first-time buyer (no home ownership in the past three years), subject to income limits.

Is now a good time for a first-time buyer to purchase in Contra Costa County? Rising inventory and slower days-on-market in 2026 have shifted some negotiating leverage toward buyers compared to recent years, particularly in East County cities. Waiting for rates to drop further carries its own risk if prices continue climbing, so the right time depends on your individual budget and readiness rather than trying to perfectly time the market.

How long does the whole process take? Plan on 2-3 months from your first pre-approval conversation to finding and closing on a home, though this varies with how competitive your target neighborhood is and how quickly your DPA program clears underwriting.

 

About the Author Steve Brookshire is a REALTOR® (DRE #01724870) with HomeSmart Optima Realty, serving first-time buyers and sellers throughout Contra Costa County and parts of Alameda County, with a focus on Bay Point, Pittsburg, Antioch, Oakley, and Brentwood.

Last Updated: August 17, 2026

Sources: CalHFA program pages; FHFA/HUD 2026 conforming and FHA loan limits; Redfin and ATTOM Contra Costa County market data (2026); California Association of Realtors statewide median price data (May 2026).