Back to Explorer

ZIP Code 94523

Contra Costa, California

FIPS 94523

Juniper

ZIP Code 94523 is in the top 32% nationally for appreciation 1yr %, but in the bottom 4% nationally for price-to-income ratio. It also sits in the 98th percentile nationally for median home value. And it sits in the 98th percentile nationally for median rent.

Median Home Value

$1,076,600

Higher than 98% of U.S. ZIP codes

HPI Growth 5yr %

33%

Higher than 57% of U.S. ZIP codes

FEMA Risk Score

92.8

Higher than 89% of U.S. ZIP codes

The basics

Total Population

34,592

Median Age

42

Home values & property tax

Ranked against U.S. ZIP codes.

Median Home Value

$1,076,600

Higher than 98%

Median Property Tax

$7,597

Effective Tax Rate

1%

Cost of living & affordability

Ranked against U.S. ZIP codes.

Price-to-Income Ratio

7.55

Higher than 96%

Median Rent

$2,501

Higher than 98%

Home prices & appreciation

Ranked against U.S. ZIP codes.

HPI Growth 5yr %

33%

Higher than 57%

Appreciation 1yr %

0.57%

Higher than 68%

Pandemic Gain %

33%

Recession Drop %

-34%

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

87

Winter Avg Low (°F)

42.3

Avg Temperature (°F)

62.4

Hot Days/yr (>90°F)

46.7

Freezing Days/yr (<32°F)

4.3

Annual Precipitation (in)

17.7

Annual Snowfall (in)

0

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

92.8

Higher than 89%

EAL Flood/Coastal per $1K

0

The full report

Six pillars — each with percentile benchmarks, 16-year trends, and per-metric detail.

  • People

  • Work & Money

  • Housing

  • Amenities

  • Environment & Risk

ZIP Code 94523: frequently asked questions

What is the median home value in ZIP Code 94523?
The median home value in ZIP Code 94523 is $1,076,600, higher than 98% of U.S. ZIP codes.
How much is property tax in ZIP Code 94523?
The median annual property tax in ZIP Code 94523 is $7,597, an effective rate of 1% of home value.
Is ZIP Code 94523 expensive to live in?
Homes in ZIP Code 94523 cost about 7.55× the median household income, higher than 96% of U.S. ZIP codes.
What is the average rent in ZIP Code 94523?
The median gross rent in ZIP Code 94523 is $2,501 a month, higher than 98% of U.S. ZIP codes.
How much have home prices grown in ZIP Code 94523?
Home prices in ZIP Code 94523 have moved 33% over the past five years (0.57% in the past year), per the FHFA House Price Index.
What is the weather like in ZIP Code 94523?
ZIP Code 94523 averages 62.4°F year-round, summer highs near 87°F, winter lows around 42.3°F (NOAA 1991–2020 normals).
Is ZIP Code 94523 at risk of flooding or natural disasters?
ZIP Code 94523's FEMA National Risk Index score is 92.8 (higher than 89% of U.S. ZIP codes). Its greatest modeled natural hazard is earthquake. Modeled coastal-flood loss is negligible.

Sources: U.S. Census ACS, FEMA National Risk Index, FHFA House Price Index, OpenStreetMap, EPA. Explore the map →