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ZIP Code 94503

Napa, California

FIPS 94503

Juniper

ZIP Code 94503 is in the top 39% nationally for appreciation 1yr %, but in the bottom 10% nationally for price-to-income ratio. It also sits in the 98th percentile nationally for median rent. And it sits in the 94th percentile nationally for median home value.

Median Home Value

$697,400

Higher than 94% of U.S. ZIP codes

HPI Growth 5yr %

26%

Near the U.S. ZIP codes median

FEMA Risk Score

78.4

Higher than 67% of U.S. ZIP codes

The basics

Total Population

21,841

Median Age

37

Home values & property tax

Ranked against U.S. ZIP codes.

Median Home Value

$697,400

Higher than 94%

Median Property Tax

$5,428

Effective Tax Rate

1%

Cost of living & affordability

Ranked against U.S. ZIP codes.

Price-to-Income Ratio

5.76

Higher than 90%

Median Rent

$2,524

Higher than 98%

Home prices & appreciation

Ranked against U.S. ZIP codes.

HPI Growth 5yr %

26%

Near median

Appreciation 1yr %

-2.9%

Higher than 61%

Pandemic Gain %

30%

Recession Drop %

-55%

Climate & weather

Ranked against U.S. ZIP codes.

Summer Avg High (°F)

79

Winter Avg Low (°F)

38.6

Avg Temperature (°F)

57.7

Hot Days/yr (>90°F)

15.9

Freezing Days/yr (<32°F)

33.9

Annual Precipitation (in)

20.2

Annual Snowfall (in)

0

Flood & disaster risk

Ranked against U.S. ZIP codes.

FEMA Risk Score

78.4

Higher than 67%

EAL Flood/Coastal per $1K

0.01

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 94503: frequently asked questions

What is the median home value in ZIP Code 94503?
The median home value in ZIP Code 94503 is $697,400, higher than 94% of U.S. ZIP codes.
How much is property tax in ZIP Code 94503?
The median annual property tax in ZIP Code 94503 is $5,428, an effective rate of 1% of home value.
Is ZIP Code 94503 expensive to live in?
Homes in ZIP Code 94503 cost about 5.76× the median household income, higher than 90% of U.S. ZIP codes.
What is the average rent in ZIP Code 94503?
The median gross rent in ZIP Code 94503 is $2,524 a month, higher than 98% of U.S. ZIP codes.
How much have home prices grown in ZIP Code 94503?
Home prices in ZIP Code 94503 have moved 26% over the past five years (-2.9% in the past year), per the FHFA House Price Index.
What is the weather like in ZIP Code 94503?
ZIP Code 94503 averages 57.7°F year-round, summer highs near 79°F, winter lows around 38.6°F (NOAA 1991–2020 normals).
Is ZIP Code 94503 at risk of flooding or natural disasters?
ZIP Code 94503's FEMA National Risk Index score is 78.4 (higher than 67% of U.S. ZIP codes). Its greatest modeled natural hazard is earthquake. Expected annual loss from flooding is 0.01 per $1,000 of building value.

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