536 Main St, Martinez, CA 94553 Property Records

Contra Costa County property record for 536 Main St, Martinez, CA 94553

Property Summary

Property Type	Parking Lot
Lot Size	0.172 acres (7,500 sqft)
Owner	Individual Name on File
Last Sale	$775,000 (Sep 2005)
Tax Bill	$2,950 (2025)
Deeds & Mortgages	Feb 2017 Transfer
Flood Zone	Zone AO (high risk)
APN	`373-226-005-8`

Property Details

APN / Parcel Number

Primary APN	`373-226-005-8`
Alternative APN	`373-226-005`

Exterior

Lot Area	7,500 sqft (0.172 acres)

Location & Zoning

Street Address	536 MAIN ST
City	MARTINEZ
State	CA
Zip	94553-1140
Property Category	Commercial
Property Type	Commercial > Retail > Parking Lot
Legal Description	ORIGINAL SURVEY LOT 8 POR 7 BLK 21
Legal Subdivision	MARTINEZ
Legal Block	21
Legal Lot Number	8
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1039
Census Tract	316000

Owner

Source: Contra Costa County records · APN 373-226-005-8

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	Individual Name on File
Mailing Address	86 WATERSIDE CIR, REDWOOD CITY, CA 94065-1736
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Sep 26, 2005 · Amount on Record
Deed Sale	Sep 26, 2005 · Amount on Record
Deed Document Number	2005366819
Last Transfer Date	May 18, 2012
Transfer Doc	0000152672
Record Updated	Sep 20, 2026

February 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 23, 2017
Property Address	536 MAIN ST, MARTINEZ, CA 94553-1140
Document Number	0000033433
Instrument Date	Jan 24, 2017
Instrument	33433
Transaction Type	Transfer
Record Updated	Mar 06, 2017

Transaction

Tax	$0.00
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	86 WATERSIDE CIR REDWOOD CITY CA 940651736, REDWOOD CITY, CA 94065-1736

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		$207,528 (+2%) Land $207,528
2025	$2,950.00 (+5.17%)	$203,459 (+4.04%) Land $203,459
2023	$2,805.00 (+1.41%)	$195,559 Land $195,559
2022	$2,766.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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 Record median of 42 policies
Nearby Flood Policies	42 in force
Nearby Flood Claims	20 (1982–2017)
Claims Outside the SFHA	4 of 20
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 claims

Wildfire

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.08% annual chance
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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Radiate Holdings Fiber · Cable in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 371 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF MARTINEZ serves 31,015 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.