517 Tierney Pl, Martinez, CA 94553 Property Records

Contra Costa County property record for 517 Tierney Pl, Martinez, CA 94553

Property Summary

Property TypeCondominium
Details3 bd · 2.5 ba · 1,630 sqft · built 2016
Lot Size0.021 acres (903 sqft)
Owner2 Individual Names on Record
Last Sale$454,000 (Feb 2018)
Tax Bill$6,980 (2025)
Deeds & MortgagesDec 2024 Mortgage
May 2023 Construction Loan
+ 1 more
Flood ZoneZone X (minimal risk)
APN161-590-020-4

Property Details

APN / Parcel Number

Primary APN161-590-020-4
Alternative APN
  • 161-590-020

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,630 sqft Living Area
1st Floor Area730 sqft
2nd Floor Area828 sqft
Basement Area72 sqft

Exterior

Year BuiltBuilt 2016
Effective Year BuiltEffective 2017
Architectural StyleCondo/Apartment
Lot Area903 sqft (0.021 acres)
Garage TypeAttached
Garage Area747 sqft
Parking Spaces3 Parking Spaces

Utilities, Heating & Cooling

Cooling SystemCentral

Location & Zoning

Street Address517 TIERNEY PL
CityMARTINEZ
StateCA
Zip94553-4436
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionT9025 L1 B7 U20
Legal SubdivisionVILLAGE/ARNOLD SUB 9025
Legal Tract9025
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group4
Census Block4014
Census Tract320004

Owner

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

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record2 Individual Names on Record
Mailing Address517 TIERNEY PL, MARTINEZ, CA 94553-4436
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Dec 10, 2024Deed of Trust, Mortgage · Closed-End Mortgage
US BANK NA
May 17, 2023Deed of Trust, Mortgage · Construction Mortgage
US BANK NA
Feb 22, 2018Grant Deed, Transfer
OLD REPUBLIC TITLE

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 22, 2018 · Amount on Record
Deed SaleFeb 22, 2018 · Amount on Record
Deed Document Number201827398
Record UpdatedSep 20, 2026

December 2024: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address517 TIERNEY PL, MARTINEZ, CA 94553-4436
Transaction TypeMortgage
Record UpdatedSep 30, 2025
Title CompanyRADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address517 TIERNEY PL, MARTINEZ, CA 94553-4436

Mortgage

Document Number0000132130
DateDec 10, 2024
Instrument2024- 132130
Lender
NameUS BANK NA
TypeBank
Address9380 EXCELSIOR BLVD, HOPKINS, MN 55343
Agreement
TypeClosed-End Mortgage
AmountAmount Recorded
Term240 Months
DueDec 16, 2044

May 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address517 TIERNEY PL, MARTINEZ, CA 94553-4436
Transaction TypeMortgage
Record UpdatedSep 30, 2025
Title CompanyRADIAN SETTLEMENT SERVICES INC, RADIAN SETTLEMENT SERVICES

Transferred To (Grantee/Buyer)

NameVerified Name
Address517 TIERNEY PL, MARTINEZ, CA 94553-4436

Mortgage

Document Number0000046645
DateMay 17, 2023
Instrument2023-046645
Lender
NameUS BANK NA
TypeBank
AddressCINCINNATI, OH 45202
Agreement
TypeConstruction Mortgage
AmountAmount Recorded
Term179 Months
DueApr 18, 2038

February 2018: Grant Deed, Transfer

Document TypeGrant Deed
JurisdictionCONTRA COSTA CA
Recording DateFeb 22, 2018
Property Address517 TIERNEY PL, MARTINEZ, CA 94553-4436
Document Number0000027398
Map ReferenceMB 521 PG 29-32
Instrument DateFeb 15, 2018
Instrument2018-027398
Transaction TypeTransfer
Record UpdatedNov 3, 2022
Title CompanyOLD REPUBLIC TITLE

Transaction

AmountAmount Recorded
Tax$0.00
Amount AccuracyRounded by County
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address517 TIERNEY PL, MARTINEZ, CA 94553-4436

Tax Assessment & Valuation

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$526,783 (+2%) Land $185,691 Building $341,092
2025$6,980.00 (+4.87%)$516,454 (+4.04%) Land $182,050 Building $334,404
2023$6,656.00 (+1.85%)$496,402 Land $174,982 Building $321,420
2022$6,535.00

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

Flood

Source: FEMA National Flood Hazard Layer, effective October 12, 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire RiskLow
lower than 96% of the US · lower than 97.4% of California
Wildfire LikelihoodUnder 0.01% 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 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 334 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
T-Mobile
Fixed Wireless
100 / 20
AT&T
DSL · Fiber in parts of the area
100 / 20

May also be available: Astound Broadband.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Tierney Pl

Nearby Streets

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