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317 Northpark Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 317 Northpark Ct, Martinez, CA 94553

Property Summary

Property TypeSingle Family Home
Details3 bd · 2.5 ba · 1,581 sqft · built 2014
Lot Size0.052 acres (2,269 sqft)
Owner2 Individual Names on File
Last Sale$546,000 (Oct 2014)
Tax Bill$8,822 (2025)
Deeds & MortgagesFeb 2026 Second Mortgage
Nov 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN376-320-005-6

Property Details

APN / Parcel Number

Primary APN376-320-005-6
Alternative APN
  • 376-320-005

Interior

Bedrooms3 Beds
Full Baths2.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,581 sqft Living Area
1st Floor Area583 sqft
2nd Floor Area998 sqft

Exterior

Year BuiltBuilt 2014
Effective Year BuiltEffective 2014
Architectural StyleCluster
Lot Area2,269 sqft (0.052 acres)
Garage TypeAttached
Garage Area495 sqft
Parking Spaces2 Parking Spaces

Location & Zoning

Street Address317 NORTHPARK CT
CityMARTINEZ
StateCA
Zip94553-3721
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionT9089 L5
Legal SubdivisionSUBDIVISION 9089
Legal Tract9089
Legal Lot Number5
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2025
Census Tract319001

Owner

317 Northpark Ct is owned and occupied by two individuals who bought it in October 2014.

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

Owner of Record2 Individual Names on File
Mailing Address317 NORTHPARK CT, MARTINEZ, CA 94553-3721
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

DateDocument
Feb 27, 2026Deed of Trust, Mortgage · Stand-Alone Second Mortgage
ROCKET MORTGAGE LLC
Nov 19, 2020Deed of Trust, Mortgage · Conventional Mortgage
QUICKEN LOANS LLC

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleOct 31, 2014 · Amount on File
Deed SaleOct 31, 2014 · Amount on File
Deed Document Number2014188191
Record UpdatedSep 20, 2026

February 2026: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address317 NORTHPARK CT, MARTINEZ, CA 94553-3721
Transaction TypeMortgage
Record UpdatedMar 10, 2026

Transferred To (Grantee/Buyer)

NameVerified Name
Address317 NORTHPARK CT, MARTINEZ, CA 94553-3721

Mortgage

Document Number0000019494
DateFeb 27, 2026
Instrument2026- 019494
Lender
NameROCKET MORTGAGE LLC
TypeMortgage Company
Address1050 WOODWARD AVE, DETROIT, MI 48226
Agreement
TypeStand-Alone Second Mortgage
AmountAmount on Record
Term241 Months
DueMar 1, 2046

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionCONTRA COSTA CA
Property Address317 NORTHPARK CT, MARTINEZ, CA 94553-3721
Transaction TypeMortgage
Record UpdatedNov 3, 2022
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name
Address317 NORTHPARK CT, MARTINEZ, CA 94553-3721

Mortgage

Document Number0000281075
DateNov 19, 2020
Instrument2020-281075
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueDec 1, 2035

Tax Assessment & Valuation

The 2025 property tax bill for 317 Northpark Ct was $8,822 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 DistrictMartinez Unified School District (KG - 12)

Tax Bill & Assessment History

YearTax BillAssessed Value
2026$669,203 (+2%) Land $343,244 Building $325,959
2025$8,822.00 Homeowner's exemption$656,082 Land $336,514 Building $319,568
2023$8,243.00 (+2.49%) Homeowner's exemption$630,607 Land $323,448 Building $307,159
2022$8,043.00

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

Flood

FEMA maps place 317 Northpark Ct in Zone X, an area of minimal flood risk.

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

The area around 317 Northpark Ct 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 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 589 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.

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