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Area data

ZIP 94528

Population: 1,049 (Census ACS)

The typical home value in ZIP 94528 is $3.10M — up 3.0% over the past year. Homes sell for a median $11.00M after a median 14 days on market. 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

$3.10M

Typical home value

+3.0%

1-year change

14

Median days on market

Home values & appreciation

Typical home value
$3.10M
1-year appreciation
+3.0%
3-year appreciation
-1.6%
5-year appreciation
+3.7%
10-year appreciation
+43.0%
Peak value since 2000 (Jun 2022)
$3.45M

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

Market activity

Median sale price
$11.00M
Median list price
$9.50M
Median price per sqft
$1,258
1-year sale-price change
+393.5%
Median days on market
14 days
Homes sold (recent period)
1
For-sale inventory
6
Sale-to-list ratio
115.8%
Active listings
4
1-year forecast
+1.5%

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)
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)

Natural hazards & flood risk

Most common flood zone among NFIP claims
Zone X
NFIP flood claims on record
3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Concord Naval Weapons Station (14.9 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.

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
57.0°F
Average high
66.0°F
Average low
47.0°F
Annual precipitation
22.0 in
Annual snowfall
4.6 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)

Walkability & transit

Walkability index
6.8 / 20
Transit service frequency
-99,999
Jobs reachable by car (30 min)
55,214
Jobs reachable by transit (45 min)
47,956

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
11
Nearest national park
Eugene O'Neill National Historic Site (4 mi)
National parks include
Eugene O'Neill National Historic Site, John Muir National Historic Site, Port Chicago Naval Magazine National Memorial
Airports within 30 mi
18
Nearest airport
Buchanan Field (CCR) (12 mi)
Nearest major airport
Buchanan Field (CCR) (12 mi)
Hospitals in or near this ZIP
67
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 (5.0 kWh/m²/day)

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

Housing stock

Median year housing built
1980
Housing built before 1970
40.4%
Housing built 2000 or later
17.5%
Median annual property tax
$10,001
Households with broadband internet
91.0%

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

How it compares

ZIP 94528State medianUS median
Typical home value$3.10M—$288,527
Median sale price$11.00M—$325,000
Median days on market14 days—51 days
Median annual property tax$10,001—$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 94528?
$3.10M.
What is the median sale price in ZIP 94528?
$11.00M.
How long do homes take to sell in ZIP 94528?
Median days on market: 14 days.
What is typical rent in ZIP 94528?
2-bedroom fair-market rent: $2,805/month (HUD FMR — a 40th-percentile regulatory reference, not market-observed).
Is ZIP 94528 in a flood zone?
Flood zones vary by property within ZIP 94528. 3 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is X. Check a specific address on the FEMA Flood Map Service Center.
Are there Superfund sites near ZIP 94528?
No current or proposed National Priorities List sites within 5 miles (EPA).
Is ZIP 94528 walkable?
Walkability index: 6.8/20 (EPA Smart Location Database).
What is the cost of living in ZIP 94528?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

Nearby ZIP codes

Listing a home in ZIP 94528?

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Data last updated

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

Data compiled by REAIGENT7 — AI listing platform for real estate agents