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531 Gilda Ave, Martinez, CA 94553 Property Records

Contra Costa County property record for 531 Gilda Ave, Martinez, CA 94553

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,542 sqft · built 1978
Lot Size0.138 acres (6,000 sqft)
Owner2 Individual Names on File
Last Sale$365,000 (Feb 2003)
Tax Bill$7,049 (2025)
Deeds & MortgagesSep 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN161-343-008-9

Property Details

APN / Parcel Number

Primary APN161-343-008-9
Alternative APN
  • 161-343-008

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Stories1 Story
Building Area1,542 sqft Living Area
1st Floor Area1,542 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1978
Effective Year BuiltEffective 1989
Architectural StyleRanch
Exterior MaterialWood Siding
Construction TypeFrame
Roof MaterialWood Shingle
Lot Area6,000 sqft (0.138 acres)
Lot Dimensions100 ft deep x 60 ft wide
Garage TypeAttached
Garage Area441 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address531 GILDA AVE
CityMARTINEZ
StateCA
Zip94553-4209
Property CategoryResidential
Property TypeResidential > Single Family > Home
Local Zoning CodeR6
Legal DescriptionT05056 L0040 B
Legal SubdivisionSUBDIVISION 5056
Legal Tract05056
Legal Lot Number40
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3005
Census Tract320004

Owner

531 Gilda Ave is owned and occupied by two individuals who acquired it in August 2020.

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

Owner of Record2 Individual Names on File
Mailing Address531 GILDA AVE, MARTINEZ, CA 94553-4209
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

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

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 28, 2003 · Amount on File
Deed SaleFeb 28, 2003 · Amount on File
Deed Document Number200393789
Last Transfer DateAug 21, 2020
Transfer Doc0000192414
Record UpdatedOct 29, 2026

September 2020: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionCONTRA COSTA CA
Recording DateSep 3, 2020
Property Address531 GILDA AVE, MARTINEZ, CA 94553-4209
Document Number0000192414
Map ReferenceMB 206 PG 5
Instrument DateAug 21, 2020
Instrument2020-192414
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyOLD REPUBLIC TITLE COMPANY

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address531 GILDA AVE, MARTINEZ, CA 94553-4209

Mortgage

Document Number0000192415
DateSep 3, 2020
Instrument2020-192415
Lender
NameGUILD MORTGAGE CO
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueSep 1, 2050

Tax Assessment & Valuation

The 2025 property tax bill for 531 Gilda Ave was $7,049 with a homeowner's exemption.

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

Property Jurisdictions

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

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$539,193 (+2%) Land $295,449 Building $243,744
2025$7,049.00 Homeowner's exemption$528,621 Land $289,656 Building $238,965
2023$6,721.00 (+1.86%) Homeowner's exemption$508,096 Land $278,409 Building $229,687
2022$6,598.00

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

Flood

FEMA maps place 531 Gilda Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.

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 Claims1 (1979)
Most Recent ClaimOct 1979 · 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

The area around 531 Gilda Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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

Wildfire RiskNot rated
no burnable land 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 SystemCONTRA COSTA WATER DISTRICT
serves 210,500 people · EPA ID CA0710003
Water SourceSurface water
Last State InspectionJan 2022
LeadUnder 1 ppb (2026–2028)
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 537 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Unwired
Fixed Wireless		300 / 25
Verizon
Fixed Wireless		300 / 20
AT&T
DSL		100 / 20

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

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