How much is a home worth in ZIP code 94521?

The typical home in 94521 is worth $793,333, based on the Zillow Home Value Index.

Are home values rising in 94521?

Home values in 94521 are down 1.8% over the past year, and up 1.0% a year over five years.

What is the typical rent in 94521?

A typical home in 94521 rents for about $2,816 a month, a gross rental yield of 4.3%.

What is the property tax rate in 94521?

The effective property tax rate in 94521 is 0.7% — roughly $5,666 a year on a typical home.

ZIP code 94521 has a population of 41,909 and a median household income of $125,899.

HousingHandbookReference data

…

U.S. ZIP Code · CA94521

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

Typical home value

$793,333^[1]

Zillow Home Value Index, as of April 2026

Appreciation

1-year: -1.8%
5-year / yr: +1.0%
10-year / yr: +3.8%

Relative price

vs U.S.: +179.3%
vs metro: -36.6%
vs state: +13.2%

Price history

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

The typical home in 94521 is worth $793,333 — 36.6% below the San Francisco-Oakland-Fremont, CA median. Over the past year, values have fallen 1.8%. Homes here rent for a typical $2,816 a month — a 4.3% gross rental yield. 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: $2,816^[2]
Gross yield: 4.3%^[2]
Cap rate: 2.6%^[2]

#Property tax

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

Effective tax rate: 0.7%^[3]
Typical annual tax: $5,666^[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: 41,909^[3]
Median household income: $125,899^[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

Schools

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

Public schools: 9
Elementary: 5
Middle: 2
High: 2

Clayton Valley Charter High
High · Grades 9–12 · Clayton Valley Charter High District
2,390 students
Concord High
High · Grades 9–12 · Mt. Diablo Unified
1,118 students
El Dorado Middle
Middle · Grades 6–8 · Mt. Diablo Unified
811 students
Pine Hollow Middle
Middle · Grades 6–8 · Mt. Diablo Unified
557 students
Silverwood Elementary
Elementary · Grades K–5 · Mt. Diablo Unified
524 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.

Home value$Monthly rent$

Gross yield4.3%

Net yield (after ~40% expenses)2.6%

Annual rent$33,789

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.

Home price$Down payment%Interest rate%Loan termyears

Monthly payment$4,012

Loan principal$634,666

Down payment$158,667

Total interest paid$809,482

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.

Home price$Monthly rent$Down payment%Mortgage rate%Property tax rate% / yrMaintenance% / yrRule of thumb: 1% of home value per year.

Own : rent ratio1.83

Monthly cost to own$5,142

Monthly rent$2,816

Renting is meaningfully cheaper month-to-month.

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: 46th percentile^[1]
Rental yield: 75th percentile^[2]
Property tax: 42nd percentile^[3]

Frequently asked

How much is a home worth in ZIP code 94521?: The typical home in 94521 is worth $793,333, based on the Zillow Home Value Index.
Are home values rising in 94521?: Home values in 94521 are down 1.8% over the past year, and up 1.0% a year over five years.
What is the typical rent in 94521?: A typical home in 94521 rents for about $2,816 a month, a gross rental yield of 4.3%.
What is the property tax rate in 94521?: The effective property tax rate in 94521 is 0.7% — roughly $5,666 a year on a typical home.
Who lives in 94521?: ZIP code 94521 has a population of 41,909 and a median household income of $125,899.

#Comparable ZIPs

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

94505 vs 94521 →
Discovery Bay CDP, CA
Typical home
$792,796
Gross yield
5.4%
94578 vs 94521 →
San Leandro, CA
Typical home
$789,506
Gross yield
3.7%
94541
Hayward, CA
Typical home
$785,828
Gross yield
3.8%
94513
Brentwood, CA
Typical home
$802,462
Gross yield
4.8%
94103
San Francisco, CA
Typical home
$802,666
Gross yield
6.0%
94577
San Leandro, CA
Typical home
$811,256
Gross yield
3.6%

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#Jump to section

U.S. ZIP Code · CA94521

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