Housing data for Reliez Valley, CA

Reliez Valley, CA has an estimated 3,173 residents and 1,081 homes (US Census Bureau, 2020–2024 American Community Survey).

It is an unincorporated community in Contra Costa County.

8.4% of households rent.

The median gross rent is $3,500 or more a month.

Figures last updated on .

Residents
3,173 (±671)
Housing units
1,081 (±185)
Households that rent
8.4%
Median gross rent
$3,500 or more
Residents since 2015–2019
−9.8%

What stands out in Reliez Valley

Median home value: $1,740,200 (±$414,931) in Reliez Valley, higher than in Contra Costa County ($866,800).

Median household income: $249,864 (±$33,818) in Reliez Valley, higher than in Contra Costa County ($127,229).

Households that rent: 8.4% (±6.7 points) in Reliez Valley, lower than in Contra Costa County (32.0%).

Homes in buildings of 5 or more units: 7.8% (±8.6 points) in Reliez Valley, lower than in Contra Costa County (16.5%).

Housing in Reliez Valley at a glance

  • Median rent: $3,500 or more median gross rent a month (Small sample: wide margin of error)
  • Rent burden: 92.3% of renters pay 30% or more of income (Small sample: wide margin of error)
  • Renters and owners: 8.4% of households rent (Small sample: wide margin of error)
  • Income and affordability: $249,864 median household income
  • Home values: $1,740,200 median home value
  • Homeowner costs: $4,000 or more median monthly cost with a mortgage
  • Property taxes: $10,000 or more median real estate taxes a year
  • Types of homes: 7.8% of homes are in buildings of 5 or more units
  • Bedrooms: 91.5% of homes have 3 or more bedrooms (Small sample: wide margin of error)
  • Age of homes: 53.0% of homes were built before 1980
  • Vacancy rate: 0.0% rental vacancy rate (Small sample: wide margin of error)
  • Heating fuel: 75.8% heat with utility gas
  • Commute and cars: 29.1 minutes average trip to work
  • Growth: −9.8% residents since 2015–2019
  • How long people stay: 17.9% moved in since 2020 (Small sample: wide margin of error)
  • Crowding and facilities: 0.0% of homes have more than 1 person per room (Small sample: wide margin of error)

Reliez Valley against Contra Costa County, its state and the nation

Estimate (90% margin of error)
Reliez ValleyContra Costa CountyCaliforniaUnited States
Residents3,173 (±671)1,165,012 (exact)39,287,377 (exact)334,922,499
Housing units1,081 (±185)429,260 (±163)14,644,735 (±1,665)143,775,355
Households that rent8.4% (±6.7 points)32.0% (±0.5 points)44.1% (±0.2 points)34.8%
Median gross rent$3,500 or more$2,375 (±$22)$2,036 (±$5)$1,413
Median household income$249,864 (±$33,818)$127,229 (±$1,713)$99,122 (±$310)$80,734
Median home value$1,740,200 (±$414,931)$866,800 (±$6,426)$734,700 (±$1,307)$332,700
Median real estate taxes (a year)$10,000 or more$7,156 (±$82)$5,124 (±$17)$3,119
Built before 198053.0% (±14.4 points)53.1% (±0.9 points)56.0% (±0.2 points)49.7%
Average commute29.1 minutes (±3.8)35.3 minutes (±0.4)28.7 minutes (±0.1)26.4 minutes
Households with broadband95.5% (±4.4 points)95.6% (±0.3 points)93.5% (±0.1 points)91.0%
Median age of residents49.0 years (±9.1)40.5 years (±0.1)37.9 years (±0.1)38.9 years

Reliez Valley covers 2.4 square miles of land, about 1,344 residents per square mile (Census Bureau Gazetteer).

How Reliez Valley has changed since 2015–2019

2015–2019 and 2020–2024 American Community Survey 5-year estimates
2015–20192020–2024Amount of changeVerdict
Residents3,518 (±493)3,173 (±671)−9.8%Not a measurable change
Housing units1,458 (±158)1,081 (±185)−25.9%Measurable decrease
Median home value$988,000 (±$97,183)$1,740,200 (±$414,931)+76.1%Up after inflation
Median household income$173,507 (±$29,790)$249,864 (±$33,818)+44.0%No measurable change after inflation
Households that rent10.8% (±4.9 points)8.4% (±6.7 points)−2.4 percentage pointsNot a measurable change
Rental vacancy rate9.8% (±14.4 points)0.0% (±35.2 points)−9.8 percentage pointsNot a measurable change

The Census Bureau publishes 2015–2019 dollars in 2019 dollars and 2020–2024 dollars in 2024 dollars.

Prices (the CPI-U, US Bureau of Labor Statistics) rose 22.7% between 2019 and 2024, so a dollar figure’s verdict compares the two after raising the earlier one by that much, using the Census Bureau’s test for a difference.

The two periods do not overlap, as the Census Bureau recommends for 5-year estimates.

Crime reported to police in Contra Costa County

Reliez Valley has no police department of its own in the FBI’s figures, so this is the figure for Contra Costa County as a whole.

In 2025, the police departments that report for Contra Costa County recorded 353 violent and 1,693 property crimes per 100,000 residents.

A county-wide figure describes the whole county, not this place; crime varies from one community to the next.

ZIP codes in Reliez Valley

ZIP Code Tabulation Areas that cover this place (2020–2024 estimates)
ZIP codeShare of the ZIP’s land in this placeResidentsMedian gross rentMedian home valueMedian household income
9454912%28,420$2,968$2,000,000 or more$234,516

A ZIP code is a mail route rather than a boundary, so the Census Bureau publishes figures for ZIP Code Tabulation Areas built from census blocks; the share column says how much of each one’s land lies in this place.

Places near Reliez Valley

Nearest places with Census figures, by straight-line distance
PlaceDistanceMedian gross rentMedian home valueHouseholds that rent
Pleasant Hill1.8 mi$2,533$1,077,10037.4%
Acalanes Ridge2.8 mi$3,500 or more$1,633,10026.6%
Contra Costa Centre2.8 mi$2,713$733,30084.6%
Lafayette3.5 mi$2,892$2,000,000 or more22.9%
Pacheco3.8 mi$1,828$343,30020.8%
Saranap3.9 mi$2,540$1,453,30034.6%
Martinez4.1 mi$2,353$859,80029.2%
Walnut Creek4.3 mi$2,680$1,057,30035.6%

HUD Fair Market Rent for Reliez Valley, fiscal year 2027

Oakland-Fremont, CA HUD Metro FMR Area, dollars a month
Studio1 bedroom2 bedrooms3 bedrooms4 bedrooms
$2,088$2,290$2,805$3,592$4,250

HUD income limits for Reliez Valley, fiscal year 2026

Oakland-Fremont, CA HUD Metro FMR Area, annual household income
Household sizeExtremely low (30%)Very low (50%)Low (80%)
1 person$35,650$59,400$95,050
2 people$40,750$67,900$108,600
3 people$45,850$76,400$122,200
4 people$50,900$84,850$135,750
5 people$55,000$91,650$146,650
6 people$59,050$98,450$157,500
7 people$63,150$105,250$168,350
8 people$67,200$112,050$179,200

These are the limits HUD sets for its housing programs in the Oakland-Fremont, CA HUD Metro FMR Area, where HUD’s median family income for fiscal year 2026 is $162,800.

A program can use its own limits; tax-credit and local programs often do.

Reliez Valley is a census-designated place: an unincorporated community the Census Bureau draws for statistics, with no municipal government of its own.

Survey years: 2020–2024 (American Community Survey 5-year estimates), compared with 2015–2019.

Margins of error are at the 90% confidence level.

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Questions about Reliez Valley

What is the median household income in Reliez Valley?

The median household income in Reliez Valley is $249,864 (±$33,818) a year (2020–2024 American Community Survey).

What is the average home value in Reliez Valley, CA?

The Census Bureau publishes the median: $1,740,200 (±$414,931) for owner-occupied homes in Reliez Valley (2020–2024 American Community Survey).

What is the average mortgage payment in Reliez Valley?

The Census Bureau publishes total owner costs rather than the mortgage alone: the median for owners with a mortgage in Reliez Valley, CA is $4,000 or more a month, including taxes, insurance and utilities.

How much are property taxes in Reliez Valley?

The median real estate tax paid by homeowners in Reliez Valley, CA is $10,000 or more a year (2020–2024 American Community Survey).

How many homes are in Reliez Valley?

Reliez Valley, CA has an estimated 1,081 (±185) housing units, occupied and vacant (2020–2024 American Community Survey).

How old are most homes in Reliez Valley?

53.0% of homes in Reliez Valley, CA were built before 1980 (2020–2024 American Community Survey).

Is Reliez Valley growing?

In Reliez Valley, the number of residents went from 3,518 in 2015–2019 to 3,173 in 2020–2024 (−9.8%), not a measurable change.

What ZIP codes are in Reliez Valley?

The ZIP code that covers Reliez Valley is 94549.

What is the median rent in ZIP code 94549?

The median gross rent in ZIP Code Tabulation Area 94549 is $2,968 (±$388) a month (2020–2024 American Community Survey).

Sources

To check these figures in the Census Bureau’s own API, request the variables below from the 2024 ACS 5-year data profile (acs/acs5/profile) for Reliez Valley CDP, California (place:60279, in state:06).

Each estimate (E or PE) has a margin of error beside it (M or PM).

The 2015–2019 figures are B01003_001E, B01003_001M, B25064_001E, B25064_001M from the 2019 release.

The API needs a free key.

Request a Census API key.

DP05_0001E, DP05_0001M, DP04_0001E, DP04_0001M, DP04_0047PE, DP04_0047PM, DP04_0134E, DP04_0134M, DP03_0062E, DP03_0062M, DP04_0089E, DP04_0089M

This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.

Figures are published by the US Census Bureau, HUD, the Bureau of Labor Statistics and the FBI; Seayora reproduces them and does not adjust them, except where a sentence says it compares dollar figures after inflation. They describe the whole place, not any one building or street, and are not an appraisal, a rent determination, a tax bill, a safety rating or legal advice.

Figures last updated on .

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