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205 C St, Martinez, CA 94553 Property Records

Contra Costa County property record for 205 C St, Martinez, CA 94553

Property Summary

Property TypeQuadplex
Details3,348 sqft · built 1964
Lot Size0.161 acres (7,000 sqft)
Owner2 Individual Names on File
Last Sale$512,000 (Apr 2004)
Tax Bill$11,561 (2025)
Deeds & MortgagesAug 2019 Transfer
Flood ZoneZone X (minimal risk)
APN372-191-024-2

Property Details

APN / Parcel Number

Primary APN372-191-024-2
Alternative APN
  • 372-191-024

Interior

Total Rooms4 Rooms
Stories1 Story
Building Area3,348 sqft Living Area
1st Floor Area3,348 sqft

Exterior

Year BuiltBuilt 1964
Effective Year BuiltEffective 1964
Architectural StyleQuadruplex
Lot Area7,000 sqft (0.161 acres)
Garage TypeCarport
CarportCarport
Parking Spaces4 Parking Spaces

Location & Zoning

Street Address205 C ST
CityMARTINEZ
StateCA
Zip94553-3119
Property CategoryResidential
Property TypeResidential > Multi-Unit > Quadplex
Legal DescriptionPARCEL MAP 23 PG 28 PCL A
Legal Tract23PM28
JurisdictionCONTRA COSTA CA
Township / Civil DivisionCENTRAL CONTRA COSTA
Census Block Group2
Census Block2015
Census Tract318000

Owner

205 C St, a quadplex, is owned by two individuals who acquired it in July 2019.

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 File
Mailing Address50 CRESTVIEW DR, ORINDA, CA 94563-3920
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 20, 2004 · Amount on File
Deed SaleApr 20, 2004 · Amount on File
Deed Document Number2004139848
Last Transfer DateJul 11, 2019
Transfer Doc0000129531
Record UpdatedOct 29, 2026

August 2019: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionCONTRA COSTA CA
Recording DateAug 14, 2019
Property Address205 C ST, MARTINEZ, CA 94553-3119
Document Number0000129531
Instrument DateJul 11, 2019
Instrument129531
Transaction TypeTransfer
Record UpdatedAug 22, 2019
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipPersonal Trust
Address50 CRESTVIEW DR ORINDA CA 945633920, ORINDA, CA 94563-3920

Tax Assessment & Valuation

The 2025 property tax bill for 205 C St was $11,561.

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$742,058 (+2%) Land $234,488 Building $507,570
2025$11,561.00$727,509 Land $229,891 Building $497,618
2023$11,028.00 (+0.1%)$699,261 Land $220,965 Building $478,296
2022$11,017.00

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

Flood

FEMA maps place 205 C St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard AreaZone AO, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Nearby Flood Policies3 in force
Nearby Flood Claims5 (1982–2017)
Claims Outside the SFHA4 of 5
Most Recent ClaimJan 2017 · Severe Winter Storms, Flooding, And Mudslides

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 205 C St is moderate, ranking above 59% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire RiskModerate
above 59% of the US · lower than 64% of California
Wildfire Likelihood0.2% annual chance
ExposureIndirect
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 358 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Xfinity
Cable		2,000 / 250
Astound Broadband
Fiber · Cable in parts of the area		1,500 / 1,500
Verizon
Fixed Wireless		300 / 20
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless · DSL · Fiber in parts of the area		100 / 20

May also be available: Unwired.

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