811 Brown St, Martinez, CA 94553 Property Records

Contra Costa County property record for 811 Brown St, Martinez, CA 94553

Property Summary

Property Type	Apartments (5+ Units)
Details	11,468 sqft · built 1964
Lot Size	0.344 acres (15,000 sqft)
Owner	Company Name on File
Last Sale	$3,585,000 (Aug 2021)
Tax Bill	$52,199 (2025)
Deeds & Mortgages	Aug 2021 Sale & Line of Credit Jun 2018 Sale + 1 more
Flood Zone	Zone AO (high risk)
APN	`372-261-006-4`

Property Details

APN / Parcel Number

Primary APN	`372-261-006-4`
Alternative APN	`372-261-006`

Interior

Total Rooms	12 Rooms
Stories	1 Story
Building Area	11,468 sqft Living Area
1st Floor Area	11,468 sqft

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1964
Lot Area	15,000 sqft (0.344 acres)
Parking Spaces	11 Parking Spaces

Location & Zoning

Street Address	811 BROWN ST
City	MARTINEZ
State	CA
Zip	94553-2567
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Local Zoning Code	R2.5
Legal Description	ORIGINAL SURVEY LOTS 6,7 & 8 BLK 192
Legal Subdivision	MARTINEZ
Legal Block	192
Legal Lot Number	6,7,8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2024
Census Tract	317000

Owner

811 Brown St, a residential property, is owned by a company that bought it in August 2021.

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

Owner of Record	Company Name on File
Mailing Address	2755 HIGHLANDS MEADOWS CT, DUBLIN, CA 94568-7790
Owner Type	Company

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
Aug 27, 2021	Grant Deed, Transfer · Line of Credit PACIFIC PREMIER BANK
Jun 15, 2018	Grant Deed, Transfer FIDELITY NATIONAL TITLE
Oct 20, 2014	Deed of Trust, Mortgage · Conventional Mortgage LORI A S GAMBIN

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 27, 2021 · Amount on File
Deed Sale	Aug 27, 2021 · Amount on File
Prior Sale	Jun 15, 2018 · Amount on File
Deed Document Number	2021241537
Prior Transfer Date	Aug 7, 2012
Prior Transfer Doc	0000193135
Record Updated	Oct 29, 2026

August 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 27, 2021
Property Address	811 BROWN ST, MARTINEZ, CA 94553-2567
Document Number	0000241537
Instrument Date	Aug 19, 2021
Instrument	2021-241537
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIRSTAMERICAN TITLE COMPANY, FIRST AMERICAN 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	2755 HIGHLANDS MEADOWS CT, DUBLIN, CA 94568-7790

Mortgage

Document Number	0000241538
Date	Aug 27, 2021
Instrument	2021-241538

Lender

Name	PACIFIC PREMIER BANK
Type	Bank

Agreement

Type	Line of Credit
Amount	Amount on Record

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2018: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 15, 2018
Property Address	811 BROWN ST, MARTINEZ, CA 94553-2567
Document Number	0000095051
Instrument Date	May 30, 2018
Instrument	95051
Transaction Type	Transfer
Record Updated	Jun 21, 2018
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount on Record
Tax	$3,890.15
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	4901 PARK RD BENICIA CA 945101190, BENICIA, CA 94510-1190

October 2014: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	811 BROWN ST, MARTINEZ, CA 94553-2567
Document Number	0000068601
Instrument Date	Oct 20, 2014
Transaction Type	Mortgage
Record Updated	May 8, 2018

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	822 SHADY GLN MARTINEZ CA 945534010, MARTINEZ, CA 94553-4010

Mortgage

Document Number	0000068601
Date	May 2, 2018
Instrument	68601

Lender

Name	LORI A S GAMBIN

Agreement

Type	Conventional Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 811 Brown St was $52,199.

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		$3,871,433 (+2%) Land $1,298,917 Building $2,572,516
2025	$52,199.00	$3,795,524 Land $1,273,449 Building $2,522,075
2023	$49,448.00 (+0.77%)	$3,648,141 Land $1,224,000 Building $2,424,141
2022	$49,071.00

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

Flood

FEMA maps place 811 Brown St in Zone AO, a high-risk flood area; flood insurance is required for federally backed loans.

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

FEMA Flood Zone	Zone AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File 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

Wildfire risk around 811 Brown St is low, with a 0.02% annual chance of 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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