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115 Williamson Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 115 Williamson Ct, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,744 sqft · built 1997
Lot Size0.165 acres (7,200 sqft)
Owner2 Individual Names on File
Last Sale$617,000 (Jun 2006)
Tax Bill$11,004 (2025)
Deeds & MortgagesFeb 2021 Mortgage
Apr 2020 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN161-291-030-5

Property Details

APN / Parcel Number

Primary APN161-291-030-5
Alternative APN
  • 161-291-030

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,744 sqft Living Area
1st Floor Area821 sqft
2nd Floor Area923 sqft

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1998
Lot Area7,200 sqft (0.165 acres)
Garage TypeAttached
Garage Area410 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemCentral

Location & Zoning

Street Address115 WILLIAMSON CT
CityMARTINEZ
StateCA
Zip94553-6850
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTR7586 POR LT 13
Legal SubdivisionCREEKSIDE COLLECTION/SHADOWBRO
Legal Tract7586
Legal Lot Number13
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group3
Census Block3005
Census Tract320004

Owner

Source: Contra Costa County records · APN 161-291-030-5

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 Record2 Individual Names on File
Mailing Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850
OccupancyOwner Occupied
Owner TypeIndividual
VestingCommunity Property

Deeds, Mortgages & Sale History

DateDocument
Feb 05, 2021Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Apr 15, 2020Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Nov 29, 2017Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Apr 27, 2017Deed of Trust, Mortgage · Conventional Mortgage
LYDIA ALTMAN

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleJun 21, 2006 · Amount on Record
Deed SaleJun 21, 2006 · Amount on Record
Prior SaleMar 27, 1998 · Amount on Record
Deed Document Number2006195881
Last Transfer DateSep 24, 2014
Transfer Doc0000172329
Record UpdatedSep 20, 2026

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850
Transaction TypeMortgage
Record UpdatedNov 03, 2022
Title CompanyAMERICAN COAST TITLE

Transferred To (Grantee/Buyer)

NameVerified Name
Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850

Mortgage

Document Number0000036477
DateFeb 05, 2021
Instrument2021-036477
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term359 Months
DueJan 01, 2051

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850
Document Number0000076859
Instrument DateApr 15, 2020
Transaction TypeMortgage
Record UpdatedMay 21, 2020
Title CompanyMORTGAGE CONNECT

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address115 WILLIAMSON CT MARTINEZ CA 945536850, MARTINEZ, CA 94553-6850

Mortgage

Document Number0000076859
DateApr 23, 2020
Instrument76859
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueApr 22, 2050

November 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850
Document Number0000053738
Instrument DateNov 29, 2017
Transaction TypeMortgage
Record UpdatedApr 13, 2018
Title CompanyWFG LENDER SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCommunity Property
Address115 WILLIAMSON CT MARTINEZ CA 945536850, MARTINEZ, CA 94553-6850

Mortgage

Document Number0000053738
DateApr 09, 2018
Instrument53738
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueApr 08, 2048
Interest
Rate TypeAdjustable Rate
Rate3.37%

April 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address115 WILLIAMSON CT, MARTINEZ, CA 94553-6850
Document Number0000084596
Instrument DateApr 27, 2017
Transaction TypeMortgage
Record UpdatedMay 30, 2017

Transferred To (Grantee/Buyer)

NameVerified Name
Address115 WILLIAMSON CT MARTINEZ CA 945536850, MARTINEZ, CA 94553-6850

Mortgage

Document Number0000084596
DateMay 16, 2017
Instrument84596
Lender
NameLYDIA ALTMAN
Address1145 W FRONTAGE RD, RIO RICO, AZ 85648-6295
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term60 Months
DueMay 15, 2022

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

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

YearTax BillAssessed Value
2026$860,024 (+2%) Land $487,861 Building $372,163
2025$11,004.00 (+4.34%) Homeowner's exemption$843,162 (+4.04%) Land $478,296 Building $364,866
2023$10,546.00 (+1.45%) Homeowner's exemption$810,423 Land $459,724 Building $350,699
2022$10,395.00

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 060133200043, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Claims1 (1979)
Most Recent ClaimOct 1979, rainfall accumulation

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond 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, availability as of December 31, 2025 · Published October 2026 · based on 454 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
XfinityCable2,000 / 250
UnwiredFixed Wireless300 / 25
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: AT&T, Verizon, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.

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