915 Brown St, Martinez, CA 94553 Property Records

Contra Costa County property record for 915 Brown St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,820 sqft · built 1928
Lot Size	0.154 acres (6,700 sqft)
Owner	Individual Name on Record
Last Sale	$730,000 (Mar 2023)
Tax Bill	$10,376 (2025)
Deeds & Mortgages	Jul 2026 Sale Mar 2023 Sale & Mortgage + 3 more
Flood Zone	Zone X (moderate risk)
APN	`374-131-011-8`

Property Details

APN / Parcel Number

Primary APN	`374-131-011-8`
Alternative APN	`374-131-011`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	10 Rooms
Stories	1 Story
Building Area	1,820 sqft Living Area
1st Floor Area	1,820 sqft

Exterior

Year Built	Built 1928
Effective Year Built	Effective 1980
Lot Area	6,700 sqft (0.154 acres)
Garage Type	Attached
Garage Area	305 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	915 BROWN ST
City	MARTINEZ
State	CA
Zip	94553-2574
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	LA SALLE HEIGHTS #2 LOT 65
Legal Subdivision	LA SALLE HEIGHTS #2
Legal Lot Number	65
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2004
Census Tract	317000

Owner

Source: Contra Costa County records, as of July 15, 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	915 BROWN ST, MARTINEZ, CA 94553-2574
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jul 31, 2026	Grant Deed, Transfer CHICAGO TITLE W, CHICAGO TITLE
Mar 16, 2023	Grant Deed, Transfer · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Aug 31, 2022	Deed of Trust, Mortgage · Commercial Mortgage CONVENTUS LLC
Jul 30, 2021	Grant Deed, Transfer · Commercial Mortgage CONVENTUS LLC
Jul 30, 2021	Intrafamily Transfer, Transfer FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 16, 2023 · Amount on Record
Deed Sale	Mar 16, 2023 · Amount on Record
Prior Sale	Jul 30, 2021 · Amount on Record
Deed Document Number	202324990
Prior Transfer Date	Jul 26, 2021
Prior Transfer Doc	0000214608
Record Updated	Sep 20, 2026

July 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 31, 2026
Property Address	915 BROWN ST, MARTINEZ, CA 94553-2574
Document Number	0000080497
Instrument Date	Jul 28, 2026
Instrument	202680497
Transaction Type	Transfer
Record Updated	Aug 7, 2026
Title Company	CHICAGO TITLE W, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Tax	$83,325.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 16, 2023
Property Address	915 BROWN ST, MARTINEZ, CA 94553-2574
Document Number	0000024990
Map Reference	VOL 21 PG 571
Instrument Date	Mar 13, 2023
Instrument	2023-024990
Transaction Type	Transfer
Record Updated	Mar 27, 2023
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
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	915 BROWN ST, MARTINEZ, CA 94553-2574

Mortgage

Document Number	0000024991
Date	Mar 16, 2023
Instrument	2023-024991

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2053

August 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	915 BROWN ST, MARTINEZ, CA 94553-2574
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIRST AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	15360 BARRANCA PKWY, IRVINE, CA 92618-2215

Mortgage

Document Number	0000134475
Date	Aug 31, 2022
Instrument	2022-134475

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution
Address	SAN FRANCISCO, CA 94103

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

July 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 30, 2021
Property Address	915 BROWN ST, MARTINEZ, CA 94553-2574
Document Number	0000214609
Map Reference	VOL 21 PG 571
Instrument Date	Jul 26, 2021
Instrument	2021-214609
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

Transaction

Amount	Amount Recorded
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	15360 BATTANCA PARKWAY, IRVINE, CA 92618-2215
Investor	Possibly a Property Investor

Mortgage

Document Number	0000214610
Date	Jul 30, 2021
Instrument	2021-214610

Lender

Name	CONVENTUS LLC
Type	Non-Lending Institution

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded

July 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 30, 2021
Property Address	915 BROWN ST, MARTINEZ, CA 94553-2574
Document Number	0000214608
Map Reference	VOL 21 PG 571
Instrument Date	Jul 26, 2021
Instrument	2021-214608
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN TITLE COMPANY

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
Address	415 E MODOC ST, ALTURAS, CA 96101-4123

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	Martinez City
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$774,362 (+2%) Land $541,216 Building $233,146
2025	$10,376.00 (+3.79%)	$759,179 (+1.96%) Land $530,604 Building $228,575
2023	$9,997.00 (+0.86%)	$744,600 Land $510,000 Building $234,600
2022	$9,912.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 70 policies
Nearby Flood Policies	70 in force
Nearby Flood Claims	51 (1980–2018)
Claims Outside the SFHA	1 of 51
Most Recent Claim	Sep 2018
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 6 claims Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 9 claims

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	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.02% 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	CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 853 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Unwired.

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