321 Brown St, Martinez, CA 94553 Property Records

Contra Costa County property record for 321 Brown St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property Type	Single Family Home
Details	2 bd · 2 ba · 924 sqft · built 1920
Lot Size	0.092 acres (4,000 sqft)
Owner	2 Company Names on File
Last Sale	$650,000 (Jun 2026)
Tax Bill	$4,285 (2025)
Deeds & Mortgages	Jun 2026 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`372-296-008-9`

Property Details

APN / Parcel Number

Primary APN	`372-296-008-9`
Alternative APN	`372-296-008`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	924 sqft Living Area
1st Floor Area	924 sqft

Exterior

Year Built	Built 1920
Effective Year Built	Effective 1965
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Composition Shingle
Lot Area	4,000 sqft (0.092 acres)
Garage Type	Attached
Garage Area	252 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Evaporative
Heating System	Floor/Wall Furnace
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	321 BROWN ST
City	MARTINEZ
State	CA
Zip	94553-2516
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	ORIG SURVEY POR LOTS 6 & 7 BLK 70
Legal Subdivision	MARTINEZ
Legal Block	70
Legal Lot Number	6,7
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1008
Census Tract	318000

Owner

Source: Contra Costa County records · APN 372-296-008-9

Assessment roll updated July 14, 2026 · Last verified July 2026

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

Owner of Record	2 Company Names on File
Mailing Address	321 BROWN ST, MARTINEZ, CA 94553-2516
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jun 10, 2026 · Amount on Record
Deed Sale	Jun 10, 2026 · Amount on Record
Prior Sale	Mar 07, 2013 · Amount on Record
Deed Document Number	202660826
Prior Transfer Date	Aug 17, 2006
Prior Transfer Doc	0000263013
Record Updated	Sep 20, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 10, 2026
Property Address	321 BROWN ST, MARTINEZ, CA 94553-2516
Document Number	0000060826
Instrument Date	Jun 05, 2026
Instrument	202660826
Transaction Type	Transfer
Record Updated	Jun 17, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$72,215.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Family Trust
Address	321 BROWN ST, MARTINEZ, CA 94553-2516
Investor	Possibly a Property Investor

Mortgage

Document Number	0000060827,
Date	Jun 10, 2026
Instrument	202660827

Lender

Name	STONEHAVEN FINANCIAL INC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 01, 2056

Interest

Rate Type	Fixed Rate
Rate	6.3%
Initial Type	Fixed Rate
Max Rate	-1%

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

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.

Year	Tax Bill	Assessed Value
2026		$288,878 (+2%) Land $229,349 Building $59,529
2025	$4,285.00 (+6.43%)	$283,214 (+4.04%) Land $224,852 Building $58,362
2023	$4,026.00 (+1.56%)	$272,219 Land $216,122 Building $56,097
2022	$3,964.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133180001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Nearest Special Flood Hazard Area	Zone AO, within 500 ft
Flood Insurance Cost	Premium on Record median of 23 individual NFIP policies nearby
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	23 in force 16 of 23 on primary residences
Nearby Flood Claims	12 (1980–2022)
Claims Outside the SFHA	3 of 12
Most Recent Claim	Dec 2022, other causes, Severe Winter Storms, Flooding, Landslides, And Mudslides
Flood Events	Severe Storms, Flooding, Mudslides, And Landslides (Jan 2006), 5 claims Severe Storms, Flooding, Mud And Landslides (Jan 1997), 2 claims

Wildfire

Wildfire Risk	Moderate above 49% of the US · above 29% of California
Wildfire Likelihood	About 1 in 990 per year
Exposure	Indirect within ember reach

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.