LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|LatestCoverageAll 50 states, D.C. and five territories now on the ledger|NewPuerto Rico's 78 municipios ledgered, municipio by municipio|FeatureAssessment appeal workspace — build a filing package from your own evidence|FeatureLiving reports — versioned, re-runnable, exportable|DevelopersMetered REST gateway · issued keys · signed webhooks|Live market readings · refreshed on loadAlbuquerque · NMMedian List$360K+2.5%|Austin · TXMedian List$550K-1.0%|Baltimore · MDMedian List$225K-6.3%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$430K-0.1%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.6%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$569K+1.6%|Detroit · MIMedian List$105K-2.8%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$332K-2.1%|Franklin County · OHMedian List$320K+3.2%|Fresno · CAMedian List$375K+2.1%|Harris County · TXMedian List$327K+0.6%|Houston · TXMedian List$340K+0.6%|Indianapolis · INMedian List$260K+2.3%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$309K-2.1%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$240K+4.3%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$275K0.0%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$202K+2.5%|Mesa · AZMedian List$450K-3.1%|Milwaukee · WIMedian List$243K+5.7%|Multnomah County · ORMedian List$518K-1.2%|Nashville · TNMedian List$480K+1.0%|New York · NYMedian List$899K+0.5%|Oklahoma City · OKMedian List$275K-0.6%|Oklahoma County · OKMedian List$259K-0.7%|Philadelphia · PAMedian List$249K+0.3%|Phoenix · AZMedian List$480K0.0%|Pima County · AZMedian List$373K+0.9%|Portland · ORMedian List$640K-6.0%|Sacramento · CAMedian List$510K+4.0%|San Antonio · TXMedian List$236K-1.2%|San Diego · CAMedian List$994K+4.2%|San Francisco · CAMedian List$1.4M+1.7%|San Jose · CAMedian List$1.3M-11.9%|Santa Clara County · CAMedian List$1.3M+0.1%|Seattle · WAMedian List$874K-2.8%|Shelby County · TNMedian List$259K-2.4%|Suffolk County · MAMedian List$857K+7.3%|Tarrant County · TXMedian List$385K-1.2%|Travis County · TXMedian List$497K-5.3%|Tucson · AZMedian List$324K-0.9%|Wayne County · MIMedian List$160K0.0%|
Property-class scope

The story of this market

The typical home in ZIP 94531 sells for about $699,000, or $306 per square foot.

Prices are roughly flat from a year ago (0%), a market in balance. Homes take about 65 days to sell, which is slow. HUD's fair market rent for a two-bedroom is $3,150 a month.

ZIP market report · consumer edition · quarterly refresh
Track this ZIP

ZIP 94531 — Antioch

Contra Costa County →refreshed Sep 16, 2026next refresh Oct 16, 2026
Market mood · cautiously optimistic

The 94531 housing market shows signs of stability with flat year-over-year price momentum and a competitive sale-to-list ratio. While inventory remains constrained, the area continues to attract family buyers looking for suburban value within the broader Bay Area commute shed.

Who this ZIP fits

This ZIP is well-suited for family buyers and commuters seeking more affordable housing options compared to the inner Bay Area, while offering suburban amenities and newer construction.

Parent geography
Antioch · no city intel reportContra Costa County →California state →
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 36.3 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$699,000
0% year over year
Corroborated · 1 anchor · 0% off nearest
Days on market
65 days
Active listings
127
Listings with price cuts
34%
share of active listings
Sale-to-list ratio
101%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
62
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
50
Growth/100

Median prices moved sideways 0.0% year over year.

53
Liquidity/100

Homes spend a median of 65 days on market with 5.1 months of supply — a balanced-paced market.

66
Momentum/100

34% of listings have cut prices · homes sell at 101% of asking — demand is running ahead of supply.

77
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 7.2% · poverty 8.3% — a stable, low-distress profile.

Median price · ten-year history

Researched annual trajectory for this ZIP, from published historical series

2016201720182019202020212022202320242025202620282030$400,000$600,000$800,000$1,000,000$1,200,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 5.7%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Property tax · ten-year history

Median annual property tax paid on this ZIP's residential parcels

2016201720182019202020212022202320242025202620282030$4,000$5,000$6,000$7,000$8,000

Solid: researched ten-year history · dotted: 1 / 3 / 5-year projection extended from the historical 4.7%/yr trend — a deterministic estimate, not a published forecast or guarantee.

Census trends · population flowsACS 2020-2024 5-year estimates
Population change
+0.5%

versus the prior ACS vintage

Net migration
0 people

in-migration and out-migration balanced

Population base
46,387

ZCTA 94531, Contra Costa County CA

Area context
Schools & education

The area is served by the Antioch Unified School District, with school quality varying by specific neighborhood and campus performance.

Environmental & hazard

The region faces standard California wildfire and seismic risks, with insurance availability and premiums increasingly impacted by statewide climate-risk adjustments.

Growth & development

Economic momentum is driven by its role as a residential suburb for the San Francisco-Oakland-Fremont metropolitan area, with ongoing development in master-planned communities like Deer Valley.

Taxation

Composed from the ARED governance burden registry — tier-native tax structure (state + county + city + special districts), never averaged. State (California) — Mello-Roos Community Facilities Act Special Parcel Tax Assessment: Levies an annual direct, non-ad valorem special tax directly on the parcel's secured property tax bill to fund designated community infrastructure (e.g., roads, sewer facilities, school facilities, emergency services) and repay municipal debt bonds. State (California) — California Homeowners' Property Tax Exemption: Reduces the taxable assessed value of the qualifying owner-occupied principal residence by $7,000 against the county assessment roll, generating a direct tax savings of approximately $70 annually (computed as $7,000 × 1% base rate). State (California) — California Proposition 13 Ad Valorem Real Property Tax: Establishes a base ad valorem tax rate capped at 1.0% of assessed value plus voter-approved local indebtedness and direct assessments (typically resulting in an effective tax rate of 1.1% to 1.25%).

Transportation & commute

Residents primarily commute to employment hubs in the East Bay and San Francisco via Highway 4 and the BART transit system.

Recreation & amenities

The area features access to regional parks, trails, and proximity to the Sacramento-San Joaquin River Delta, with local shopping centers serving the residential base.

Rental market

The rental market is characterized by moderate vacancy pressure and steady demand, with a mix of single-family home rentals and apartment complexes.

Economy & employers

The local economy is primarily service-oriented, with many residents employed in the broader San Francisco-Oakland-Fremont metropolitan labor market.

Transportation & infrastructure

Served by Highway 4 and the Antioch BART station, providing regional connectivity to the wider Bay Area.

Development pipeline

Development is focused on residential expansion in the southern and eastern portions of the ZIP code.

Special districts

Parcels are subject to Antioch Unified School District taxes and various local utility and flood control assessments.

Insurance & hazard market

Property insurance premiums are rising due to regional wildfire risk assessments and broader California market volatility.

Discovery profileACS 2020-2024 5-year estimates
Census profile · ZCTA 94531, Contra Costa County CA
Population
46,387
Median age
38.8 yrs
Owner-occupancy
73%
Median home value
$660,200
Median gross rent
$2,099
Median household income
$120,927
Median year built
1997
Vacancy rate
3.2%
Renter share
27%
Owner cost burden
28.5%
Renter cost burden
42.1%
Population change
+0.5%
Net migration
0
Work-from-home share
18.2%
Mean commute
42.5 min
Bachelor's or higher
31.4%
Unemployment
7.2%
Poverty rate
8.3%
Avg household size
3.1
White
38.2%
Black or African American
22.5%
Hispanic or Latino
28.4%
Asian
7.1%
Other
3.8%

Data retrieved from US Census Bureau and IncomeByZipCode.com.

Public schools with an address here · 1

Public schools whose reported address is in this area (NCES). Not attendance boundaries — schools that serve residents may sit outside it. Check the district's address locator for assignment.

Deer Valley High SchoolHighAverageAntioch UnifiedPrimary high school serving the 94531 area.
School districts
Antioch Unified School DistrictAverageServes the majority of the city of Antioch.
Utilities & services
ElectricPG&EPrimary provider for the region.
WaterCity of AntiochMunicipal water service.
Major employers & industries
Antioch Unified School DistrictEducationMajor local employer.
Kaiser PermanenteHealthcareRegional employer.
Amenities & attractions2 retained amenities · 1 development on the horizon
Inside this ZIP
Contra Loma Regional Park
Park

Features a reservoir, swimming lagoon, and extensive hiking trails.

Black Diamond Mines Regional Preserve
Park

Historic mining site with expansive regional hiking and views.

On the horizon · announced & under construction
Deer Valley Master PlanResidentialUnder ConstructionOngoing development of new single-family residential phases.
Deterministic roll-up
2 of 2 researched properties contributed
Median sale price
$696,100
Closed sales (monthly)
2
Median asking rent
$3,410/mo
Distress filings (ledger)
1

Deterministic aggregate of 2 researched properties in this ZIP (latest reading each) — each property weighs one; per point, properties lacking the value are excluded. Property-level records (taxes, scores, permits) never roll individually.

Sources · 10 cited

1 county-record distress flag(s) across 1 researched property on the ARED base layer. Key-figure check: median price corroborated by the researched-property base layer (within 12.5%).