HousingHandbookReference data

U.S. ZIP Code · CA94528

Contra Costa County · San Francisco-Oakland-Fremont, CA

Typical home value

$3,149,403[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year
-0.7%
5-year / yr
+2.1%
10-year / yr
+3.2%

Relative price

vs U.S.
+1,008.7%
vs metro
+151.8%
vs state
+349.6%
ZIP 94528 location in CA
Location of ZIP 94528 in CA

Price history

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

The typical home in 94528 is worth $3,149,403 — 151.8% above the San Francisco-Oakland-Fremont, CA median. Over the past year, values have fallen 0.7%. The effective property tax rate is 0.8%.

#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
0.8%[3]
Typical annual tax
$23,931[3]

#Climate risk

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

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

#Who lives here

Population
1,049[3]
Median household income
$207,500[3]

#Migration

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

Net migration
-4,064[5]
Moved in
24,964
Moved out
29,028

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$15,925
Loan principal$2,519,522
Down payment$629,881
Total interest paid$3,213,512

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$20,544
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
65th percentile[1]
Rental yield
[2]
Property tax
57th percentile[3]

Frequently asked

How much is a home worth in ZIP code 94528?
The typical home in 94528 is worth $3,149,403, based on the Zillow Home Value Index.
Are home values rising in 94528?
Home values in 94528 are down 0.7% over the past year, and up 2.1% a year over five years.
What is the property tax rate in 94528?
The effective property tax rate in 94528 is 0.8% — roughly $23,931 a year on a typical home.
Who lives in 94528?
ZIP code 94528 has a population of 1,049 and a median household income of $207,500.

#Comparable ZIPs

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

  • Tiburon, CA

    Typical home
    $3,336,032
    Gross yield
    1.8%
  • Menlo Park, CA

    Typical home
    $2,902,647
    Gross yield
    1.7%
  • Stinson Beach CDP, CA

    Typical home
    $3,402,717
    Gross yield
  • Hillsborough, CA

    Typical home
    $3,465,869
    Gross yield
    1.2%
  • Woodside, CA

    Typical home
    $2,713,313
    Gross yield
    1.5%
  • Alamo CDP, CA

    Typical home
    $2,587,085
    Gross yield

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