Martinez is the Contra Costa county seat — older than Concord, with a real historic downtown, a waterfront, and backroads that weave through actual vineyards in Alhambra Valley. It's also cheaper than Walnut Creek or PH for comparable square footage.
Most of Martinez is zip 94553. The character differs massively by neighborhood — downtown, Alhambra Valley, Vine Hill, and Mountain View each feel like their own town. I'll help you pick the right one.
With about 37,000 residents, Martinez is quieter than its neighbors and more affordable for the size of lot you'll get. The historic downtown around Main Street is genuinely charming and slowly being revitalized. Alhambra Valley feels rural — winding roads, oak trees, horse properties a short drive from I-680.
The John Muir Medical Center sits in Martinez and is a major employer, which shapes the buyer pool. Martinez Unified School District is small (3,758 students, 9 schools) and serves almost all of the city — with Alhambra High as the flagship public school.
Se habla español. Martinez has a growing bilingual community especially through Mountain View and the Vine Hill side — everything in Spanish if you prefer.
Click through to a dedicated page for each zip.
The same market looks different depending on what you're shopping for.
Neighborhood and school-district pages with price trends and active listings.

Martinez is where I send clients who want a real house with a yard and don't need Walnut Creek prestige. It's also where I send first-time buyers who've been scared off by the price tags in other cities — you can still buy a 3-bedroom single-family here for under $800K without settling.
The downside buyers should know: waterfront Martinez has a small industrial footprint (refinery), and the downtown has occasional train noise. I walk every candidate home at the times of day that matter so you hear what the neighborhood actually sounds like.