646 20th St, Richmond, CA 94801 Property Records

Contra Costa County property record for 646 20th St, Richmond, CA 94801

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 814 sqft · built 1920
Lot Size0.069 acres (3,000 sqft)
OwnerIndividual Name on Record
Last Sale$460,000 (Apr 2021)
Tax Bill$8,565 (2025)
Deeds & MortgagesApr 2021 Mortgage
Apr 2021 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN529-281-014-9

Property Details

APN / Parcel Number

Primary APN529-281-014-9
Alternative APN
  • 529-281-014

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area814 sqft Living Area
1st Floor Area814 sqft

Exterior

Year BuiltBuilt 1920
Effective Year BuiltEffective 1970
Lot Area3,000 sqft (0.069 acres)
Garage TypeAttached
Garage Area480 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemFloor/Wall Furnace

Location & Zoning

Street Address646 20TH ST
CityRICHMOND
StateCA
Zip94801-2869
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR2
Legal DescriptionNEW RICHMOND LOT 30 POR 32 BLK C
Legal SubdivisionNEW RICHMOND ADD
Legal BlockC
Legal Lot Number30
JurisdictionCONTRA COSTA CA
Township / Civil DivisionWEST CONTRA COSTA
Census Block Group1
Census Block1009
Census Tract375000

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address646 20TH ST, RICHMOND, CA 94801-2869
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Apr 19, 2021Deed of Trust, Mortgage · Commercial Mortgage
MOUNTAIN WEST FINANCIAL INC
Apr 19, 2021Grant Deed, Transfer · Conventional Mortgage
MOUNTAIN WEST FINANCIAL INC

Assessor's Deed Record

Deed NamesName on Deed
Last SaleApr 19, 2021 · Amount on Record
Deed SaleApr 19, 2021 · Amount on Record
Prior SaleMar 31, 2015 · Amount on Record
Deed Document Number2021116479
Prior Transfer DateJul 7, 1999
Prior Transfer Doc0000180661
Record UpdatedOct 29, 2026

April 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address646 20TH ST, RICHMOND, CA 94801-2869
Transaction TypeMortgage
Record UpdatedAug 10, 2023
Title CompanyCHICAGO TITLE COMPANY

Transferred To (Grantee/Buyer)

NameVerified Name
Address625 CAMELLIA CT 2301, 2301, HAYWARD, CA 94544-5555

Mortgage

Document Number0000116482
DateApr 19, 2021
Instrument2021-116482
Lender
NameMOUNTAIN WEST FINANCIAL INC
TypeMortgage Company
AddressREDLANDS, CA 92374
Agreement
TypeCommercial Mortgage
AmountAmount Recorded

April 2021: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateApr 19, 2021
Property Address646 20TH ST, RICHMOND, CA 94801-2869
Document Number0000116479
Map ReferenceMB B PG 27
Instrument DateApr 14, 2021
Instrument2021-116479
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyCHICAGO TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address646 20TH ST, RICHMOND, CA 94801-2869

Mortgage

Document Number0000116480
DateApr 19, 2021
Instrument2021-116480
Lender
NameMOUNTAIN WEST FINANCIAL INC
TypeFunding / Finance Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueMay 1, 2051

Mortgage

Document Number0000116481
DateApr 19, 2021
Instrument2021-116481
Lender
NameMOUNTAIN WEST FINANCIAL INC
TypeMortgage Company
AddressREDLANDS, CA 92374
Agreement
TypeLoan Assumption
AmountAmount Recorded

Tax Assessment & Valuation

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$507,874 (+2%) Land $331,223 Building $176,651
2025$8,565.00 (+3.57%)$497,917 (+4.04%) Land $324,729 Building $173,188
2023$8,270.00 (+1.83%)$478,584 Land $312,120 Building $166,464
2022$8,121.00

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

Flood

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

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 1,047 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

May also be available: Etheric Networks, GeoLinks, T-Mobile, Verizon.

Nearby Properties on 20th St

Nearby Streets

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