HousingHandbookReference data

U.S. ZIP Code · CA94503

Napa County · Napa, CA

Typical home value

$746,493[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
-2.4%
5-year / yr
+2.3%
10-year / yr
+4.6%

Relative price

vs U.S.
+162.8%
vs metro
-18.3%
vs state
+6.6%
ZIP 94503 location in CA
Location of ZIP 94503 in CA

Price history

Zillow Home Value Index — monthly, smoothed and seasonally adjusted.

The typical home in 94503 is worth $746,493 — 18.3% below the Napa, CA median. Over the past year, values have fallen 2.4%. The effective property tax rate is 0.7%.

#Rent & investment

Typical asking rent, and the returns it implies at the current home value.

Monthly rent
[2]
Gross yield
[2]
Cap rate
[2]

#Property tax

Effective rate — total real estate taxes paid relative to total home value.

Effective tax rate
0.7%[3]
Typical annual tax
$5,561[3]

#Climate risk

FEMA National Risk Index ratings for Napa County. "Not Applicable" means the hazard does not threaten the county.

Overall risk
Relatively High[4]
Riverine flood
Relatively High
Coastal flood
Relatively Moderate
Wildfire
Relatively Moderate
Drought
Very High
Heat wave
Relatively Low
Hurricane
Not Applicable
Tornado
Very Low
Earthquake
Relatively High
Winter weather
Very Low

#Who lives here

Population
21,841[3]
Median household income
$121,088[3]

#Migration

Household moves in and out of Napa County over a year, from IRS tax-return data.

Net migration
-420[5]
Moved in
3,129
Moved out
3,549

Schools

Open public schools in this ZIP, from the NCES Common Core of Data.

Public schools
4
Elementary
2
Middle
1
High
1
  • American Canyon High

    High · Grades 9–12 · Napa Valley Unified

    1,698 students

  • Pleasant Hill Middle

    Middle · Grades 6–8 · Mt. Diablo Unified

    719 students

  • Canyon Oaks Elementary

    Elementary · Grades K–5 · Napa Valley Unified

    680 students

  • Napa Junction Elementary

    Elementary · Grades K–5 · Napa Valley Unified

    477 students

Run the numbers

Interactive calculators pre-filled with this ZIP's typical home value, rent, and property-tax rate. Edit any field to recompute.

Gross yield
Net yield (after ~40% expenses)
Annual rent

Gross and net yield are estimates based on the inputs and the selected expense ratio. Actual income and expenses will vary by property and market. Not investment advice.

Monthly payment$3,775
Loan principal$597,194
Down payment$149,299
Total interest paid$761,689

Estimated monthly payments include principal and interest only. Actual costs will include property tax, insurance, possibly PMI, and HOA fees not modeled here. Loan terms shown are estimates; consult a licensed lender for current rates and qualification.

Own : rent ratio
Monthly cost to own$4,857
Monthly rent

This calculator projects multi-year scenarios based on assumptions about appreciation, rent growth, and investment returns — none of which are guaranteed. Actual outcomes depend on variables this tool cannot know. Not financial or real estate advice.

#Metro ranking

Where this ZIP sits among others in its metro area.

Appreciation
100th percentile[1]
Rental yield
[2]
Property tax
100th percentile[3]

Frequently asked

How much is a home worth in ZIP code 94503?
The typical home in 94503 is worth $746,493, based on the Zillow Home Value Index.
Are home values rising in 94503?
Home values in 94503 are down 2.4% over the past year, and up 2.3% a year over five years.
What is the property tax rate in 94503?
The effective property tax rate in 94503 is 0.7% — roughly $5,561 a year on a typical home.
Who lives in 94503?
ZIP code 94503 has a population of 21,841 and a median household income of $121,088.

#Comparable ZIPs

Same metro, nearest typical home value. Each card shows the comparable ZIP's headline numbers so you can scan at a glance.

  • Napa, CA

    Typical home
    $814,986
    Gross yield
    3.9%
  • Napa, CA

    Typical home
    $913,914
    Gross yield
    3.9%
  • Angwin CDP, CA

    Typical home
    $917,623
    Gross yield
  • CA

    Typical home
    $440,746
    Gross yield
  • Yountville, CA

    Typical home
    $1,366,196
    Gross yield
    3.7%
  • St. Helena, CA

    Typical home
    $1,684,220
    Gross yield

Want similar ZIPs from outside this metro? Browse nationally similar ZIPs →

Compare ZIPs

Pit ZIP 94503 against any other ZIP — full side-by-side table.

Compare 94503

#Jump to section