305 Warmcastle Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 305 Warmcastle Ct, Martinez, CA 94553

Property Summary

Property Type	Condominium
Details	3 bd · 2.5 ba · 1,382 sqft · built 1990
Lot Size	0.019 acres (834 sqft)
Owner	Trust Name on File
Last Sale	$566,000 (Apr 2021)
Tax Bill	$7,913 (2025)
Deeds & Mortgages	Feb 2024 Transfer Aug 2021 Transfer + 2 more
Flood Zone	Zone X (minimal risk)
APN	`161-560-002-8`

Property Details

APN / Parcel Number

Primary APN	`161-560-002-8`
Alternative APN	`161-560-002`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,382 sqft Living Area
1st Floor Area	601 sqft
2nd Floor Area	781 sqft

Exterior

Year Built	Built 1990
Effective Year Built	Effective 1990
Architectural Style	Condo/Apartment
Lot Area	834 sqft (0.019 acres)
Garage Type	Attached
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	305 WARMCASTLE CT
City	MARTINEZ
State	CA
Zip	94553-6814
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	T6962 U78
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

305 Warmcastle Ct, a condominium, is owner-occupied and held in a trust since November 2023.

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

Owner of Record	Trust Name on File
Mailing Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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

Date	Document
Feb 6, 2024	Intrafamily Transfer, Transfer
Aug 10, 2021	Intrafamily Transfer, Transfer
Apr 5, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage POSH RE MORTGAGE CORPORATION
Apr 5, 2021	Grant Deed, Transfer CHICAGO TITLE COMPANY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 5, 2021 · Amount on File
Deed Sale	Apr 5, 2021 · Amount on File
Prior Sale	Jul 25, 2012 · Amount on File
Deed Document Number	2021101716
Last Transfer Date	Nov 22, 2023
Transfer Doc	0000011659
Record Updated	Sep 20, 2026

February 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 6, 2024
Property Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000011659
Map Reference	MB 326 PG 37
Instrument Date	Nov 22, 2023
Instrument	2024-011659
Transaction Type	Transfer
Record Updated	Feb 15, 2024

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 10, 2021
Property Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000222808
Map Reference	MB 326 PG 37
Instrument Date	Jul 20, 2021
Instrument	2021-222808
Transaction Type	Transfer
Record Updated	Jun 7, 2023

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814

April 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 5, 2021
Property Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000101717
Map Reference	MB 326 PG 37
Instrument Date	Mar 31, 2021
Instrument	2021-101717
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	565 S COVERED WAGON TRL, ANAHEIM, CA 92807-4737

Mortgage

Document Number	0000101718
Date	Apr 5, 2021
Instrument	2021-101718

Lender

Name	POSH RE MORTGAGE CORPORATION
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Apr 1, 2051

April 2021: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 5, 2021
Property Address	305 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000101716
Map Reference	MB 326 PG 37
Instrument Date	Mar 31, 2021
Instrument	2021-101716
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	CHICAGO TITLE COMPANY

Transaction

Amount	Amount on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	565 S COVERED WAGON TRL, ANAHEIM, CA 92807-4737

Tax Assessment & Valuation

The 2025 property tax bill for 305 Warmcastle Ct was $7,913 with a homeowner's exemption.

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		$575,000 (-5.22%) Land $304,771 Building $270,229
2025	$7,913.00 Homeowner's exemption	$606,648 Land $321,545 Building $285,103
2023	$7,552.00 (+0.87%) Homeowner's exemption	$583,093 Land $309,060 Building $274,033
2022	$7,487.00

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

Flood

FEMA maps place 305 Warmcastle Ct in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1979.

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

The area around 305 Warmcastle 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 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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