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Scott Brown — eXp Realty
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Call/text (707) 474-8855Port Costa, CA · Census-designated place
Port Costa, California houses and real estate market data.
Houses in Port Costa, CA (Contra Costa County) — market data for Port Costa houses and the whole local market.
Census-designated place · Census GEOID 0658226
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554 Keys, Clearlake Oaks, CA 95423
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*Listed by Scott Brown, EXP Realty, DRE #01956840. Inquiries delivered directly to listing agent. Search.USAHouses.com*
📩 Contact Agent Direct:
Scott Brown - EXP Realty
Scott@USAHouses.com
Call/Text (707) 474-8855
👉 Click Anywhere on Ad for More Info / Listing Page
Port Costa, CA is a Census-designated place in Contra Costa County, California — this guide covers houses in Port Costa and the whole local market: resale homes, condos, land, and new construction.
Info from government sites and builders may have provided source info.
Open map pin ↗ · 38.044543, -122.184942
At a glance
Port Costa market snapshot
Place type
Census-designated place
County
Contra Costa County
Map pin
38.044543, -122.184942
Census GEOID
0658226
Land area
0.16 sq mi
Market data compiled from public sources; deemed reliable but not guaranteed; verify independently. See About
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What makes Port Costa different
Census-designated place
The U.S. Census Bureau lists Port Costa as a Census-designated place in Contra Costa County, California — a settled community that is not an incorporated city, town, or village. This page uses the same /california/port-costa/ guide pattern as incorporated places.
Nearby
Places around Port Costa
County guide: Contra Costa County — cities, market context, and local resources for the county that includes Port Costa.
USAHouses.com also publishes Census place pages for other communities in the same county as Port Costa.
Nearby communities include Crockett, Rodeo, Mountain View, Martinez, Hercules, Vine Hill, Alhambra Valley, Pacheco, Bayview, Pinole, Tara Hills, El Sobrante, Reliez Valley, Montalvin Manor, Pleasant Hill, Clyde.
Crockett market data
Nearby city · ~2.0 mi
Rodeo market data
Nearby city · ~3.8 mi
Mountain View market data
Nearby city · ~4.4 mi
Martinez market data
Nearby city · ~5.0 mi
Hercules market data
Nearby city · ~5.9 mi
Vine Hill market data
Nearby city · ~5.9 mi
Alhambra Valley market data
Nearby city · ~6.0 mi
Pacheco market data
Nearby city · ~7.4 mi
Bayview market data
Nearby city · ~7.8 mi
Pinole market data
Nearby city · ~7.8 mi
Tara Hills market data
Nearby city · ~8.1 mi
El Sobrante market data
Nearby city · ~8.1 mi
Reliez Valley market data
Nearby city · ~8.5 mi
Montalvin Manor market data
Nearby city · ~8.5 mi
Pleasant Hill market data
Nearby city · ~8.6 mi
Clyde market data
Nearby city · ~8.6 mi
Adjacent-county Census places with USAHouses.com pages: Benicia (~2.5 mi), Vallejo (~6.0 mi), Albany (~12.9 mi), Berkeley (~13.8 mi), Green Valley (~15.2 mi), Piedmont (~15.5 mi), Emeryville (~15.6 mi), Suisun City (~17.0 mi), Fairfield (~17.2 mi), Santa Venetia (~17.5 mi), San Rafael (~18.1 mi), Tiburon (~18.6 mi), Black Point-Green Point (~18.7 mi), Oakland (~19.1 mi), Corte Madera (~19.2 mi), Belvedere (~19.6 mi).
Census & home facts
Port Costa data from published sources
County FHFA annual change (2025)
-0.01%
Census place type
CDP
County
Contra Costa County
Land area (Census Gazetteer 2024)
0.16 sq mi
Census GEOID
0658226
Census ACS, FHFA, and FRED figures are labeled with the year present in existing CSVs. Subject to change / confirm locally.
NewUSAHouses.com communities
Closest verified new-home communities near Port Costa
Availability and pricing are controlled by the builder and may change; confirm with the builder.
Cascade at Waterstone ↗
Tri Pointe Homes · Vallejo, California · ~3.1 mi · from $856,900
Traditions At The Meadow ↗
DeNova Homes · Martinez, California · ~5.0 mi
Heritage View ↗
DeNova Homes · Martinez, California · ~5.0 mi
Appian Village ↗
DeNova Homes · Pinole, California · ~7.8 mi
Stacked Flats At Appian Village ↗
DeNova Homes · Pinole, California · ~7.8 mi
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Common questions
Port Costa FAQ
What kind of place is Port Costa, CA?
The U.S. Census Bureau lists Port Costa as a Census-designated place in Contra Costa County, California — a settled community that is not an incorporated city, town, or village.
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