421 31st St, Richmond, CA 94804 Property Records

Contra Costa County property record for 421 31st St, Richmond, CA 94804

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 1,481 sqft · built 1941
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Individual Names on Record
Last Sale	$245,000 (Dec 2010)
Tax Bill	$5,892 (2025)
Deeds & Mortgages	Sep 2026 Mortgage Mar 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`516-150-011`

Property Details

APN / Parcel Number

Primary APN	`516-150-011`
Alternative APN	`516-150-011-0`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,481 sqft Living Area
1st Floor Area	1,481 sqft

Exterior

Year Built	Built 1941
Effective Year Built	Effective 1941
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	421 31ST ST
City	RICHMOND
State	CA
Zip	94804-1763
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R2
Legal Description	RICHMOND CENTER TRACT LOTS 9 & 10 BLK 7
Legal Subdivision	RICHMOND CENTER
Legal Block	7
Legal Lot Number	9,10
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	2
Census Block	2009
Census Tract	374000

Owner

Source: Contra Costa County records, as of September 30, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	421 31ST ST, RICHMOND, CA 94804-1763
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Sep 22, 2026	Deed of Trust, Mortgage · Conventional Mortgage ROCKET MORTGAGE LLC
Mar 14, 2022	Intrafamily Transfer, Transfer · Conventional Mortgage ROCKET MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Dec 30, 2010 · Amount on Record
Deed Sale	Dec 30, 2010 · Amount on Record
Prior Sale	Jun 25, 2008 · Amount on Record
Deed Document Number	2010296520
Prior Transfer Date	Sep 19, 2006
Prior Transfer Doc	0000302862
Record Updated	Oct 29, 2026

September 2026: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 22, 2026
Property Address	421 31ST ST, RICHMOND, CA 94804-1763
Document Number	0000099250
Instrument Date	Sep 17, 2026
Instrument	202699250
Transaction Type	Mortgage
Record Updated	Sep 30, 2026
Title Company	NONE LISTED ON DOCUMENT

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	421 31ST ST, RICHMOND, CA 94804-1763

Mortgage

Document Number	0000099250,
Date	Sep 22, 2026
Instrument	202699250

Lender

Name	ROCKET MORTGAGE LLC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	240 Months
Due	Oct 1, 2046

Interest

Rate Type	Fixed Rate
Initial Type	Fixed Rate
Max Rate	-1%

March 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 14, 2022
Property Address	421 31ST ST, RICHMOND, CA 94804-1763
Document Number	0000045023
Map Reference	MB 4 PG 87
Instrument Date	Mar 8, 2022
Instrument	2022-045023
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO HILLTOP

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	421 31ST ST, RICHMOND, CA 94804-1763

Mortgage

Document Number	0000045024
Date	Mar 14, 2022
Instrument	2022-045024

Lender

Name	ROCKET MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2052

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Richmond City
Unified School District	West Contra Costa Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$320,150 (+2%) Land $246,716 Building $73,434
2025	$5,892.00 (+3.24%) Homeowner's exemption	$313,874 (+4.04%) Land $241,879 Building $71,995
2023	$5,707.00 (+2.18%) Homeowner's exemption	$301,688 Land $232,488 Building $69,200
2022	$5,585.00

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not 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 Risk	Low lower than 98% of the US · lower than 98.4% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 System	EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005
Water Source	Surface water
Last State Inspection	Dec 2021
Lead	Under 1 ppb (2022–2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 788 locations within half a mile, as of December 31, 2025

Provider	Max 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
T-Mobile Fixed Wireless	100 / 20

May also be available: Etheric Networks, GeoLinks.

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