321 S 23rd St, Richmond, CA 94804 Property Records

Contra Costa County property record for 321 S 23rd St, Richmond, CA 94804

Property Summary

Property TypeSingle Family Home
Details2 bd · 2 ba · 1,425 sqft · built 1939
Lot Size0.092 acres (4,000 sqft)
Owner2 Individual Names on File
Last Sale$113,500 (May 1995)
Tax Bill$4,357 (2025)
Flood ZoneZone X (minimal risk)
APN544-182-009-8

Property Details

APN / Parcel Number

Primary APN544-182-009-8
Alternative APN
  • 544-182-009

Interior

Bedrooms2 Beds
Full Baths2 Baths
Total Rooms6 Rooms
Stories1 Story
Building Area1,425 sqft Living Area
1st Floor Area1,425 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1939
Effective Year BuiltEffective 1946
Lot Area4,000 sqft (0.092 acres)
Garage TypeAttached
Garage Area408 sqft
Parking Spaces2 Parking Spaces
PorchPorch

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address321 S 23RD ST
CityRICHMOND
StateCA
Zip94804-2807
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR1
Legal DescriptionWALLS HARBOR CTR LOT 20 POR 19 & 21 BLK 35
Legal SubdivisionWALLS HARBOR CENTE
Legal Block35
Legal Lot Number20
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1005
Census Tract379000

Owner

321 S 23rd St is owned by two individuals who acquired it in January 2016.

Source: Contra Costa County records, as of July 14, 2026

Owner of Record2 Individual Names on File
Mailing Address227 17TH ST, RICHMOND, CA 94801-3216
Owner TypeIndividual
VestingTenants in Common

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 16, 1995 · Amount on File
Deed SaleMay 16, 1995 · Amount on File
Deed Document Number199577522
Last Transfer DateJan 21, 2016
Transfer Doc0000028043
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 321 S 23rd St was $4,357.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityRichmond City
Unified School DistrictWest Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$203,362 (+2%) Land $44,596 Building $158,766
2025$4,357.00$199,375 Land $43,722 Building $155,653
2023$4,239.00 (+2.49%)$191,634 Land $42,025 Building $149,609
2022$4,136.00

Assessed value is set for property tax purposes and is not a market price estimate.

Flood

FEMA maps place 321 S 23rd St in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 321 S 23rd St has no burnable land within ember reach, so its wildfire risk is not rated.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemEAST BAY MUD
serves 1,468,000 people · EPA ID CA0110005
Water SourceSurface water
Last State InspectionDec 2021
LeadUnder 1 ppb (2022–2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them.

Internet Providers

Source: FCC Broadband Data Collection, based on 790 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Sonic Telecom
Fiber
10,000 / 10,000
AT&T
Fiber · DSL in parts of the area
5,000 / 5,000
Xfinity
Cable
2,000 / 250
Unwired
Fixed Wireless
300 / 25
Verizon
Fixed Wireless
300 / 20
Etheric Networks
Fixed Wireless
250 / 100

May also be available: GeoLinks, T-Mobile.

Nearby Properties on S 23rd St

Nearby Streets

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