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$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|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$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|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-0.4%|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$1.6M+14.9%|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$290K-3.5%|Baltimore · MDMedian List$265K+1.1%|Bernalillo County · NMMedian List$364K+2.7%|Bexar County · TXMedian List$303K+3.7%|Boston · MAMedian List$859K+3.4%|Charlotte · NCMedian List$402K+1.2%|Chicago · ILMedian List$426K+9.3%|Clark County · NVMedian List$447K+0.1%|Columbus · OHMedian List$300K+0.7%|Cook County · ILMedian List$348K+5.1%|Dallas · TXMedian List$449K-0.1%|Davidson County · TNMedian List$465K-1.1%|Denver · COMedian List$618K+5.0%|Detroit · MIMedian List$321K-2.7%|Duval County · FLMedian List$297K-2.3%|El Paso · TXMedian List$260K+3.7%|Fort Worth · TXMedian List$330K-1.5%|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$250K+2.7%|Jackson County · MOMedian List$275K+7.0%|Jacksonville · FLMedian List$312K-1.4%|Jefferson County · KYMedian List$248K-4.3%|Kansas City · MOMedian List$310K+3.1%|King County · WAMedian List$850K-4.0%|Las Vegas · NVMedian List$440K-1.1%|Los Angeles · CAMedian List$950K-0.5%|Louisville · KYMedian List$280K+1.8%|Maricopa County · AZMedian List$458K-0.4%|Marion County · INMedian List$259K+3.7%|Mecklenburg County · NCMedian List$407K-5.3%|Memphis · TNMedian List$209K+4.7%|Mesa · AZMedian List$490K-0.9%|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-0.4%|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$1.6M+14.9%|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 94521 sells for about $763,500, or $466 per square foot.

Prices are down 4.3% from a year ago, which gives buyers more room to negotiate. Homes take about 18 days to sell, which is fast. HUD's fair market rent for a two-bedroom is $2,404 a month.

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

ZIP 94521 — Concord

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

The 94521 housing market remains competitive with low inventory and quick sales, despite a slight year-over-year price correction. High demand for suburban homes in this established area continues to support values, though buyers are increasingly sensitive to interest rates and affordability.

Who this ZIP fits

This ZIP is well-suited for family buyers and commuters seeking established suburban neighborhoods with access to outdoor recreation and regional transit corridors.

Parent geography
Aerial view · ZIP boundaries2020 Census ZCTA boundary over current aerial imagery
Leaflet Imagery © Esri, Maxar, Earthstar Geographics
Land area · 25.1 km²U.S. Census Bureau TIGERweb — 2020 Census ZCTA5 boundary
Median sale price
$763,500
-4.3% year over year
Corroboration pending — anchor baseline forms on the first refresh cycles
Days on market
18 days
Active listings
103
Listings with price cuts
9%
share of active listings
Sale-to-list ratio
100%
of asking price
ZIP Market ScoreZIP-SCORE-1.3 · 4/4 sections graded
73
Composite · average of graded sections
Computed only from this report's published readings — sections without data are excluded, never estimated.
29
Growth/100

Median prices moved down 4.3% year over year.

97
Liquidity/100

Homes spend a median of 18 days on market with 1.2 months of supply — a fast-moving market.

82
Momentum/100

9% of listings have cut prices · homes sell at 100% of asking — demand is running ahead of supply.

85
Safety & stability/100

no recorded foreclosure-ledger notices (0.0 per 10,000 residents) · unemployment 6.1% · poverty 5.2% — a stable, low-distress profile.

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
41,909

ZCTA 94521, Contra Costa County, CA

Area context
Schools & education

The area is served by the Mount Diablo Unified School District, with schools generally characterized as having stable performance and community support.

Environmental & hazard

The region faces standard California wildfire and seismic risks, with insurance availability and premiums increasingly influenced by state-wide climate exposure.

Growth & development

The area benefits from its proximity to major Bay Area employment hubs and established residential infrastructure, with steady demand for suburban housing.

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 typically commute via I-680 or Highway 24 toward Walnut Creek and other major employment centers in the East Bay, with access to BART transit.

Recreation & amenities

The area features proximity to Mount Diablo State Park, local community parks, and shopping centers like the Clayton Valley Shopping Center.

Rental market

The rental market shows moderate demand with a median rent of $2,290, reflecting a competitive environment for tenants in the Concord area.

Economy & employers

The local economy is anchored by a mix of retail, healthcare, and professional services, with strong integration into the broader Contra Costa County labor market.

Transportation & infrastructure

The area is served by major highway corridors including I-680 and is connected to the regional BART system via nearby stations.

Development pipeline

Development is primarily focused on infill residential projects and the modernization of existing commercial retail centers.

County appraisal district

The Contra Costa County Assessor maintains property valuations in accordance with state law, primarily based on purchase price plus annual adjustments.

Special districts

Parcels are subject to various special assessments, including school district bonds and local utility or flood control district levies.

Insurance & hazard market

Property insurance premiums are subject to regional wildfire risk adjustments, with many homeowners seeing increased costs due to state-wide market conditions.

Foreclosure doctrine

California is primarily a non-judicial foreclosure state, allowing for a streamlined process under the deed of trust structure.

Disclosure doctrine

California law requires comprehensive seller disclosures regarding the physical condition of the property and any known material defects.

Discovery profileACS 2020-2024 5-year estimates
Census profile · ZCTA 94521, Contra Costa County, CA
Population
41,909
Median age
42.9 yrs
Owner-occupancy
74%
Median home value
$778,300
Median gross rent
$2,290
Median household income
$121,368
Median year built
1974
Vacancy rate
3.5%
Renter share
26%
Owner cost burden
28%
Renter cost burden
42%
Population change
+0.5%
Net migration
0
Work-from-home share
22%
Mean commute
34 min
Bachelor's or higher
41%
Unemployment
6.1%
Poverty rate
5.2%
Avg household size
2.7
White
65%
Hispanic
18%
Asian
10%
Other
7%

Data retrieved from US Census Bureau ZCTA profiles.

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.

Clayton Valley Charter High SchoolHigh8Mount Diablo UnifiedHighly regarded charter school serving the local area.
School districts
Mount Diablo Unified School DistrictBLarge district serving the majority of Concord and surrounding areas.
Utilities & services
ElectricPG&EPrimary provider for electricity and natural gas.
WaterContra Costa Water DistrictProvides water services to the region.
Major employers & industries
Contra Costa CountyGovernmentMajor regional employer.
John Muir HealthHealthcareSignificant regional healthcare provider.
Major amenities · ZIP 94521
Entertainment venues, stadiums & amphitheaters
16 · 20 mi
Museums, galleries & history
16 · 20 mi
Parks, trails & nature
20+ · 13 mi
Lakes, marinas & beaches
13 · 20 mi
Shopping & dining districts
4 · 13 mi
Airports
3 · 31 mi

Theme parks, venues, golf, airports, museums, water and shopping across the area from Google Maps, ranked by popularity within the radius shown.

Amenities & attractions2 retained amenities
Inside this ZIP
Mount Diablo State Park
Park

A major regional landmark offering extensive hiking, biking, and scenic views.

Clayton Valley Shopping Center
Shopping

A primary retail and dining hub serving the local community.

Sources · 4 cited

Key-figure check: no independent anchor retained yet — first-researched cycles establish the anchor baseline this pass.