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Area data

Clayton, CA — ZIP 94517

Population: 12,316 (Census ACS)

The typical home value in ZIP 94517 (Clayton, CA) is $1.03M — up 1.0% over the past year. Homes sell for a median $1.13M after a median 31 days on market. 2 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Very High, with inland flooding, drought, earthquake the top-rated hazards. Cost of living is 10.7% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$1.03M

Typical home value

+1.0%

1-year change

31

Median days on market

Very High

Hazard risk (county)

Home values & appreciation

Typical home value
$1.03M
1-year appreciation
+1.0%
3-year appreciation
-1.8%
5-year appreciation
+3.2%
10-year appreciation
+46.9%
Peak value since 2000 (Jun 2022)
$1.15M
House Price Index (state)
423.4 (-0.3% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$1.13M
Median list price
$1.02M
Median price per sqft
$483
1-year sale-price change
+2.4%
Median days on market
31 days
Homes sold (recent period)
34
For-sale inventory
45
Sale-to-list ratio
101.0%
Active listings
30
1-year forecast
+1.0%
New listings (monthly)
14

Source: recent area sales and market data (ZIP-level)

Rents

Studio fair-market rent
$2,088/mo
1BR fair-market rent
$2,290/mo
2BR fair-market rent
$2,805/mo
3BR fair-market rent
$3,592/mo
4BR fair-market rent
$4,250/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
110.7 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
2
Elementary schools
1
Middle schools
1
High schools
0
Avg student-teacher ratio
26.8 : 1
Schools include
Diablo View Middle, Mt. Diablo Elementary

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Very High
Top hazards (county)
inland flooding, drought, earthquake, heat wave, landslide
Notable hazard ratings (county)
inland flooding: Very High · drought: Relatively High · heat wave: Relatively High · landslide: Relatively High · lightning: Relatively High · earthquake: Relatively High
Wildfire risk to homes (county)
Higher than 92% of US counties
Buildings in wildfire direct-exposure zone
13.9%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Concord Naval Weapons Station (8 mi)
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
58.0°F
Average high
67.0°F
Average low
50.0°F
Annual precipitation
26.1 in
Annual snowfall
0.7 in
USDA plant hardiness zone
9b (extreme annual low 25 to 30°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Moderate
Median AQI (annual)
51
Days with Good air quality
173
Days with Moderate air quality
190
Highest AQI recorded (year)
110

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
13.8 / 20
Transit service frequency
939
Jobs reachable by car (30 min)
19,927
Jobs reachable by transit (45 min)
27,292

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
11
Nearest national park
Port Chicago Naval Magazine National Memorial (9 mi)
National parks include
Port Chicago Naval Magazine National Memorial, Eugene O'Neill National Historic Site, John Muir National Historic Site
Airports within 30 mi
16
Nearest airport
Buchanan Field (CCR) (7 mi)
Nearest major airport
Buchanan Field (CCR) (7 mi)
Hospitals in or near this ZIP
72
Hospitals include
ST ROSE HOSPITAL, PENINSULA MEDICAL CENTER, CALIFORNIA PACIFIC MEDICAL CTR-DAVIES CAMPUS HOSP
Avg hospital rating (CMS)
3.3 / 5
Best hospital rating nearby (CMS)
5.0 / 5
Solar radiation rating
Good (5.1 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-5,001 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1983
Housing built before 1970
18.6%
Housing built 2000 or later
9.4%
Median annual property tax
$8,312
Mean commute to work
30 min
Households with broadband internet
86.0%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
324,325
Average weekly wage
$1,660
Top industries (by employment)
Health Care, Accommodation & Food, Construction
Annual residential building permits (county)
1,163

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

ZIP 94517State medianUS median
Typical home value$1.03M$695,380$288,527
Median sale price$1.13M$696,000$325,000
Median days on market31 days39 days51 days
Median annual property tax$8,312$4,533$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the typical home value in ZIP 94517?
$1.03M.
What is the median sale price in ZIP 94517?
$1.13M.
How long do homes take to sell in ZIP 94517?
Median days on market: 31 days.
What is typical rent in ZIP 94517?
2-bedroom fair-market rent: $2,805/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
What is the natural-hazard risk in ZIP 94517?
Overall risk: Very High (FEMA NRI, county-level). Top hazards: inland flooding, drought, earthquake, heat wave, landslide.
What is the wildfire risk in ZIP 94517?
Risk to homes is higher than 92% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in ZIP 94517?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near ZIP 94517?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve ZIP 94517?
2 schools (1 elementary, 1 middle) (NCES, 2024-25).
Is ZIP 94517 walkable?
Walkability index: 13.8/20 (EPA Smart Location Database).
What is the air quality in ZIP 94517?
Moderate. Median AQI: 51. (EPA AQI).
What is the cost of living in ZIP 94517?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

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Data last updated

Most recent source refresh: Oct 2026. See all data sources →

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