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818 Center Ave, Martinez, CA 94553 Property Records

Contra Costa County property record for 818 Center Ave, Martinez, CA 94553

Property Summary

Property TypeTownhouse
Details2 bd · 1.5 ba · 1,061 sqft · built 1981
Lot Size0.023 acres (1,000 sqft)
Owner2 Individual Names on File
Last Sale$77,000 (Nov 2018)
Tax Bill$5,941 (2025)
Deeds & MortgagesNov 2018 Sale
Aug 2017 Transfer
Flood ZoneZone X (minimal risk)
APN162-500-041-7

Property Details

APN / Parcel Number

Primary APN162-500-041-7
Alternative APN
  • 162-500-041

Interior

Bedrooms2 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Stories2 Stories
Building Area1,061 sqft Living Area
1st Floor Area503 sqft
2nd Floor Area558 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1981
Effective Year BuiltEffective 1982
Architectural StyleContemporary
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area1,000 sqft (0.023 acres)
Garage TypeCarport
Garage Area171 sqft
CarportCarport
Carport Area171 sqft
Parking Spaces1 Parking Space
Deck AreaDeck Area

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C
SewerMunicipal
Water SourceCommercial

Location & Zoning

Street Address818 CENTER AVE
CityMARTINEZ
StateCA
Zip94553-4641
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Townhouse
Local Zoning CodePUD
Legal DescriptionT05890 L0041 B
Legal SubdivisionSUBDIVISION 5890
Legal Tract05890
Legal Lot Number41
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4000
Census Tract321101

Owner

818 Center Ave, a townhouse, is owned by two individuals who bought it in November 2018.

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

Owner of Record2 Individual Names on File
Mailing Address23121 HELLS HOLLOW RD, GROVELAND, CA 95321-9706
Owner TypeIndividual
VestingTenants in Common

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
Nov 30, 2018Grant Deed, Transfer
Aug 2, 2017Affidavit of Death, Transfer

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleNov 30, 2018 · Amount on File
Deed SaleNov 30, 2018 · Amount on File
Deed Document Number2018193210
Prior Transfer DateNov 29, 2018
Prior Transfer Doc0000193210
Record UpdatedSep 20, 2026

November 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateNov 30, 2018
Property Address818 CENTER AVE, MARTINEZ, CA 94553-4641
Document Number0000193210
Instrument DateNov 27, 2018
Instrument193210
Transaction TypeTransfer
Record UpdatedDec 11, 2018

Transaction

AmountAmount on Record
Tax$84.70
Amount AccuracyFull Value
Additional
  • Partial Interest

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address23121 HELLS HOLLOW RD GROVELAND CA 953219706, GROVELAND, CA 95321-9706

August 2017: Affidavit of Death, Transfer

Document TypeAffidavit of Death
JurisdictionCONTRA COSTA CA
Recording DateAug 2, 2017
Property Address818 CENTER AVE, MARTINEZ, CA 94553-4641
Document Number0000138614
Instrument DateAug 2, 2017
Instrument138614
Transaction TypeTransfer
Record UpdatedAug 8, 2017

Transaction

Tax$0.00
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address818 CENTER AVE MARTINEZ CA 945534641, MARTINEZ, CA 94553-4641

Tax Assessment & Valuation

The 2025 property tax bill for 818 Center Ave was $5,941.

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$411,643 (+2%) Land $256,554 Building $155,089
2025$5,941.00$403,573 Land $251,524 Building $152,049
2023$5,541.00 (+2.8%)$387,904 Land $241,758 Building $146,146
2022$5,390.00

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

Flood

FEMA maps place 818 Center Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1981.

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies1 in force
Nearby Flood Claims1 (1981)
Claims Outside the SFHA1 of 1
Most Recent ClaimNov 1981 · rainfall accumulation

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 818 Center Ave is low, with a 0.02% annual chance of wildfire.

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

Wildfire RiskLow
lower than 80% of the US · lower than 88% of California
Wildfire Likelihood0.02% annual chance
ExposureNone
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 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 239 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25

May also be available: Astound Broadband, AT&T, T-Mobile, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Center Ave

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