317 Warmcastle Ct, Martinez, CA 94553 Property Records

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

Property Summary

Property Type	Condominium
Details	2 bd · 2.5 ba · 1,262 sqft · built 1990
Lot Size	0.018 acres (803 sqft)
Owner	Individual Name on Record
Last Sale	$230,000 (Jan 2013)
Tax Bill	$4,370 (2025)
Deeds & Mortgages	Aug 2020 Line of Credit Dec 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`161-560-005-1`

Property Details

APN / Parcel Number

Primary APN	`161-560-005-1`
Alternative APN	`161-560-005`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	2 Stories
Building Area	1,262 sqft Living Area
1st Floor Area	578 sqft
2nd Floor Area	684 sqft

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	Condo/Apartment
Lot Area	803 sqft (0.018 acres)
Garage Type	Attached
Garage Area	228 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	317 WARMCASTLE CT
City	MARTINEZ
State	CA
Zip	94553-6814
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	T6962 U81
Legal Subdivision	SUBDIVISION 6962
Legal Tract	6962
Legal Lot Number	7
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	320004

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Individual Name on Record
Mailing Address	317 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Aug 13, 2020	Deed of Trust, Mortgage · Line of Credit FREMONT BANK
Dec 29, 2021	Deed of Trust, Mortgage · Conventional Mortgage AMCAP MORTGAGE LTD

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jan 8, 2013 · Amount on Record
Deed Sale	Jan 8, 2013 · Amount on Record
Deed Document Number	20134523
Prior Transfer Date	Dec 8, 2009
Prior Transfer Doc	0000303807
Record Updated	Oct 29, 2026

August 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	317 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000169880
Date	Aug 13, 2020
Instrument	2020-169880

Lender

Name	FREMONT BANK
Type	Bank
Address	LIVERMORE, CA 94551

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Aug 1, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

December 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	317 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	317 WARMCASTLE CT, MARTINEZ, CA 94553-6814

Mortgage

Document Number	0000348591
Date	Dec 29, 2021
Instrument	2021-348591

Lender

Name	AMCAP MORTGAGE LTD
Type	Mortgage Company
Address	HOUSTON, TX 77036

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Jan 1, 2037

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	California
County	Contra Costa County
Municipality	Martinez City
Unified School District	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$288,881 (+2%) Land $178,230 Building $110,651
2025	$4,370.00 (+5.5%)	$283,218 (+4.04%) Land $174,736 Building $108,482
2023	$4,142.00 (+2.45%)	$272,221 Land $167,951 Building $104,270
2022	$4,043.00

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 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Claims	1 (1979)
Most Recent Claim	Oct 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

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

Wildfire Risk	Not 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 System	CONTRA COSTA WATER DISTRICT serves 210,500 people · EPA ID CA0710003
Water Source	Surface water
Last State Inspection	Jan 2022
Lead	Under 1 ppb (2026–2028) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 454 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband, AT&T, Verizon.

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