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

Contra Costa County property record for 411 S 23rd St, Richmond, CA 94804

Property Summary

Property Type	Quadplex
Details	2,647 sqft · built 1943
Lot Size	0.23 acres (10,000 sqft)
Owner	Individual Name on File
Last Sale	$585,000 (Jul 2017)
Tax Bill	$14,243 (2025)
Deeds & Mortgages	Jul 2017 Transfer Jul 2017 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`544-192-009-6`

Property Details

APN / Parcel Number

Primary APN	`544-192-009-6`
Alternative APN	`544-192-009`

Interior

Total Rooms	4 Rooms
Stories	1 Story
Building Area	2,647 sqft Living Area
1st Floor Area	2,647 sqft

Exterior

Year Built	Built 1943
Effective Year Built	Effective 2000
Architectural Style	Quadruplex
Lot Area	10,000 sqft (0.23 acres)
Parking Spaces	4 Parking Spaces

Location & Zoning

Street Address	411 S 23RD ST
City	RICHMOND
State	CA
Zip	94804-2809
Property Category	Residential
Property Type	Residential > Multi-Unit > Quadplex
Legal Description	WALLS HARBOR CENTER LOTS 16 TO 19 BLK 34
Legal Subdivision	WALLS HARBOR CENTER
Legal Block	34
Legal Lot Number	16-19
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	WEST CONTRA COSTA
Census Block Group	1
Census Block	1020
Census Tract	379000

Owner

411 S 23rd St, a quadplex, is owned by an individual who bought it in July 2017.

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

Owner of Record	Individual Name on File
Mailing Address	448 S 23RD ST, RICHMOND, CA 94804-2810
Owner Type	Individual
Vesting	Sole Owner

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

Date	Document
Jul 25, 2017	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Jul 25, 2017	Grant Deed, Transfer · Conventional Mortgage PLAZA HOME MORTGAGE INC

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 25, 2017 · Amount on File
Deed Sale	Jul 25, 2017 · Amount on File
Prior Sale	Jan 15, 2013 · Amount on File
Deed Document Number	2017133098
Prior Transfer Date	Dec 31, 1996
Prior Transfer Doc	0000005778
Record Updated	Oct 29, 2026

July 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 25, 2017
Property Address	411 S 23RD ST, RICHMOND, CA 94804-2809
Document Number	0000133099
Instrument Date	Jul 19, 2017
Instrument	133099
Transaction Type	Transfer
Record Updated	Aug 1, 2017
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Separate Estate/Property
Address	448 S 23RD ST RICHMOND CA 948042810, RICHMOND, CA 94804-2810

July 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 25, 2017
Property Address	411 S 23RD ST, RICHMOND, CA 94804-2809
Document Number	0000133098
Map Reference	MAP9 PG207
Instrument Date	Jul 18, 2017
Instrument	2017-133098
Transaction Type	Transfer
Record Updated	Jul 19, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	448 S 23RD ST, RICHMOND, CA 94804-2810

Mortgage

Document Number	0000133100
Date	Jul 25, 2017
Instrument	2017-133100

Lender

Name	PLAZA HOME MORTGAGE INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Aug 1, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 411 S 23rd St was $14,243.

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		$678,936 (+2%) Land $313,355 Building $365,581
2025	$14,243.00	$665,624 Land $307,211 Building $358,413
2023	$13,596.00 (+2.54%)	$639,780 Land $295,283 Building $344,497
2022	$13,259.00

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

Flood

FEMA maps place 411 S 23rd St in Zone X, an area of moderate flood risk.

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Flood Insurance Requirement	Not required lenders may require it

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

Wildfire

The area around 411 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 Risk	Not 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 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 706 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
Etheric Networks Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: GeoLinks.

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