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529 Main St, Martinez, CA 94553 Property Records

Contra Costa County property record for 529 Main St, Martinez, CA 94553

Property Summary

Property TypeRetail Stores (Personal Services, Photography, Travel)
Details4.5 ba · 2,500 sqft · built 1930
Lot Size0.059 acres (2,550 sqft)
OwnerTrust Name on File
Last Sale$600,000 (Dec 2005)
Tax Bill$7,736 (2025)
Deeds & MortgagesFeb 2021 Transfer
Nov 2020 Transfer
Flood ZoneZone AO (high risk)
APN373-223-004-4

Property Details

APN / Parcel Number

Primary APN373-223-004-4
Alternative APN
  • 373-223-004

Interior

Full Baths4.5 Baths
Half Baths3 Half Baths
Stories1 Story
Building Area2,500 sqft Gross Area
1st Floor Area2,500 sqft

Exterior

Year BuiltBuilt 1930
Effective Year BuiltEffective 1930
Exterior MaterialBrick
Construction TypeConcrete
Roof TypeMansard
Roof MaterialBuilt-Up Asphalt
Lot Area2,550 sqft (0.059 acres)

Location & Zoning

Street Address529 MAIN ST
CityMARTINEZ
StateCA
Zip94553-1127
Property CategoryCommercial
Property TypeCommercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Legal DescriptionORIGINAL SURVEY POR LOTS 2 & 7 BLK 19
Legal SubdivisionTOWN MARTINEZ
Legal Block19
Legal Lot Number2,7
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group1
Census Block1027
Census Tract316000

Owner

529 Main St, a commercial property, is held in a trust since January 2021.

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

Owner of RecordTrust Name on File
Mailing Address20 TRAILSIDE PL, PLEASANT HILL, CA 94523-1036
Owner TypeCompany
VestingTrust

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

DateDocument
Feb 2, 2021Intrafamily Transfer, Transfer
Nov 24, 2020Affidavit of Death, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleDec 15, 2005 · Amount on File
Deed SaleDec 15, 2005 · Amount on File
Deed Document Number2005480840
Last Transfer DateJan 21, 2021
Transfer Doc0000032011
Record UpdatedOct 29, 2026

February 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateFeb 2, 2021
Property Address529 MAIN ST, MARTINEZ, CA 94553-1127
Document Number0000032011
Instrument DateJan 21, 2021
Instrument2021-032011
Transaction TypeTransfer
Record UpdatedJun 7, 2023

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address20 TRAILSIDE PL, PLEASANT HILL, CA 94523-1036

November 2020: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateNov 24, 2020
Property Address529 MAIN ST, MARTINEZ, CA 94553-1127
Document Number0000285541
Instrument DateNov 2, 2020
Instrument285541
Transaction TypeTransfer
Record UpdatedDec 11, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address529 MAIN ST MARTINEZ CA 945531127, MARTINEZ, CA 94553-1127

Tax Assessment & Valuation

The 2025 property tax bill for 529 Main St was $7,736.

Source: Contra Costa County assessment roll, as of July 14, 2026

Property Jurisdictions

TypeName
StateCalifornia
CountyContra Costa County
MunicipalityMartinez City
Unified School DistrictMartinez Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$592,393 (+2%) Land $104,532 Building $487,861
2025$7,736.00$580,779 Land $102,483 Building $478,296
2023$7,317.00 (+1.11%)$558,228 Land $98,504 Building $459,724
2022$7,237.00

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

Flood

FEMA maps place 529 Main 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 ZoneZone AO
high risk · sheet flow 1–3 ft
100-Year FloodplainYes
1% annual chance
FloodwayNo
Base Flood ElevationVaries along the reach; see FIRM
Flood Insurance RequirementRequired
federally backed loans
Flood Insurance CostPremium on File
median of 42 policies
Nearby Flood Policies42 in force
Nearby Flood Claims20 (1982–2017)
Claims Outside the SFHA4 of 20
Most Recent ClaimJan 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

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 529 Main St is moderate, ranking above 46% of the US, with a 0.08% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskModerate
above 46% of the US · lower than 72% of California
Wildfire Likelihood0.08% annual chance
ExposureIndirect
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 SystemCITY OF MARTINEZ
serves 31,015 people · EPA ID CA0710006
Water SourcePurchased surface water from CONTRA COSTA WATER DISTRICT
Last State InspectionOct 2025
LeadUnder 1 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 371 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Astound Broadband
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
Fixed Wireless		100 / 20

Nearby Properties on Main St

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