4045 Walnut Blvd, Brentwood, CA 94513 Property Records

Contra Costa County property record for 4045 Walnut Blvd, Brentwood, CA 94513

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 767 sqft · built 1914
Lot Size	0.193 acres (8,400 sqft)
Owner	Individual Name on Record
Last Sale	$400,000 (Aug 2023)
Tax Bill	$4,730 (2025)
Deeds & Mortgages	Aug 2023 Transfer Aug 2023 Sale + 1 more
Flood Zone	Zone X (minimal risk)
APN	`017-150-021-8`

Property Details

APN / Parcel Number

Primary APN	`017-150-021-8`
Alternative APN	`017-150-021`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	5 Rooms
Stories	1 Story
Building Area	767 sqft Living Area
1st Floor Area	767 sqft

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1931
Lot Area	8,400 sqft (0.193 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	4045 WALNUT BLVD
City	BRENTWOOD
State	CA
Zip	94513-1230
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SF
Legal Description	RECORD OF SURVEY 46 LSM 34 PCL A
Legal Subdivision	HOMESTEAD ADD
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	1
Census Block	1025
Census Tract	303202

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 Record	Individual Name on Record
Mailing Address	365 ROUNDHILL DR, BRENTWOOD, CA 94513-5032
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 22, 2023	Quit Claim Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Aug 22, 2023	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY
Feb 25, 2019	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 22, 2023 · Amount on Record
Deed Sale	Aug 22, 2023 · Amount on Record
Deed Document Number	202380785
Prior Transfer Date	Aug 18, 2023
Prior Transfer Doc	0000080784
Record Updated	Sep 20, 2026

August 2023: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 22, 2023
Property Address	4045 WALNUT BLVD, BRENTWOOD, CA 94513-1230
Document Number	0000080784
Map Reference	MB 46 PG 34
Instrument Date	Aug 18, 2023
Instrument	2023-080784
Transaction Type	Transfer
Record Updated	Aug 31, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	365 ROUNDHILL DR, BRENTWOOD, CA 94513-5032

August 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 22, 2023
Property Address	4045 WALNUT BLVD, BRENTWOOD, CA 94513-1230
Document Number	0000080785
Map Reference	MB 46 PG 34
Instrument Date	Aug 17, 2023
Instrument	2023-080785
Transaction Type	Transfer
Record Updated	Aug 31, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount Recorded
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	365 ROUNDHILL DR, BRENTWOOD, CA 94513-5032

February 2019: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 25, 2019
Property Address	4045 WALNUT BLVD, BRENTWOOD, CA 94513-1230
Document Number	0000024705
Instrument Date	Feb 4, 2019
Instrument	24705
Transaction Type	Transfer
Record Updated	Jul 20, 2020
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4045 WALNUT BLVD BRENTWOOD CA 945131230, BRENTWOOD, CA 94513-1230

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	Brentwood City
Elementary School District	Brentwood Union Elementary School District (KG - 08)
Secondary School District	Liberty Union High School District (09 - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$416,160 (+2%) Land $296,514 Building $119,646
2025	$4,730.00 (+21.91%)	$408,000 (+1,560.56%) Land $290,700 Building $117,300
2023	$3,880.00 (+713.42%)	$24,570 Land $10,836 Building $13,734
2022	$477.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	6 in force
Nearby Flood Claims	2 (1982–2025)
Claims Outside the SFHA	1 of 2
Most Recent Claim	Feb 2025

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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	BRENTWOOD serves 64,513 people · EPA ID CA0710004
Water Source	Purchased surface water from several systems
Last State Inspection	Oct 2024
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.

Internet Providers

Source: FCC Broadband Data Collection, based on 464 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20

May also be available: Sonic Telecom, Verizon.

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