308 Warmcastle Ct, Martinez, CA 94553 Property Records

Contra Costa County property record for 308 Warmcastle Ct, Martinez, CA 94553

Property Summary

Property Type	Condominium
Details	2 bd · 2.5 ba · 1,262 sqft · built 1990
Lot Size	0.019 acres (823 sqft)
Owner	Individual Name on Record
Last Sale	$560,000 (Sep 2025)
Tax Bill	$7,711 (2025)
Deeds & Mortgages	Oct 2021 Mortgage Jul 2022 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`161-560-020`

Property Details

APN / Parcel Number

Primary APN	`161-560-020`
Alternative APN	`161-560-020-0`

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 2000
Architectural Style	Condo/Apartment
Lot Area	823 sqft (0.019 acres)
Garage Type	Attached
Garage Area	228 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	308 WARMCASTLE CT
City	MARTINEZ
State	CA
Zip	94553-6814
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	T6962 U96
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	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Woman

Deeds, Mortgages & Sale History

Date	Document
Oct 20, 2021	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC
Jul 14, 2022	Grant Deed, Transfer · Conventional Mortgage LOANDEPOT.COM LLC
May 7, 2020	Grant Deed, Transfer · Conventional with PMI GUARANTEED RATE

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Sep 8, 2025 · Amount on Record
Deed Sale	Sep 8, 2025 · Amount on Record
Prior Sale	Jul 14, 2022 · Amount on Record
Deed Document Number	202591122
Prior Transfer Date	Feb 5, 2015
Prior Transfer Doc	0000037084
Record Updated	Oct 29, 2026

October 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	BOSTON NATIONAL TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814

Mortgage

Document Number	0000288189
Date	Oct 20, 2021
Instrument	2021-288189

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2051

July 2022: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jul 14, 2022
Property Address	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000113336
Map Reference	MB 326 PG 37
Instrument Date	Jul 7, 2022
Instrument	2022-113336
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NOT AVAILABLE, DOMA TITLE OF CALIFORNIA INC

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV 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	Community Property with Right of Survivorship
Address	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814

Mortgage

Document Number	0000113337
Date	Jul 14, 2022
Instrument	2022-113337

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Aug 1, 2052

May 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	May 7, 2020
Property Address	308 WARMCASTLE CT, MARTINEZ, CA 94553-6814
Document Number	0000087216
Instrument Date	May 4, 2020
Instrument	87216
Transaction Type	Transfer
Record Updated	May 18, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$506.00
Amount Accuracy	Full Value
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	2823 FYNE DR WALNUT CREEK CA 945984915, WALNUT CREEK, CA 94598-4915

Mortgage

Document Number	87217
Date	May 7, 2020
Instrument	87217

Lender

Name	GUARANTEED RATE
Address	CHICAGO, IL 60613

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	May 6, 2050

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		$560,000 (-3.71%) Land $260,000 Building $300,000
2025	$7,711.00 (+4.77%)	$581,583 (+4.04%) Land $312,120 Building $269,463
2023	$7,360.00 (+15.18%)	$559,000 Land $300,000 Building $259,000
2022	$6,390.00

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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