508 Ross Cir, Martinez, CA 94553 Property Records

Contra Costa County property record for 508 Ross Cir, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,316 sqft · built 1999
Lot Size	0.097 acres (4,228 sqft)
Owner	2 Individual Names on Record
Last Sale	$395,000 (Apr 2001)
Tax Bill	$8,022 (2025)
Deeds & Mortgages	Feb 2017 Mortgage Feb 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`380-170-010-9`

Property Details

APN / Parcel Number

Primary APN	`380-170-010-9`
Alternative APN	`380-170-010`

Interior

Bedrooms	5 Beds
Full Baths	3 Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,316 sqft Living Area
1st Floor Area	1,158 sqft
2nd Floor Area	1,158 sqft

Exterior

Year Built	Built 1999
Effective Year Built	Effective 2000
Lot Area	4,228 sqft (0.097 acres)
Garage Type	Attached
Garage Area	379 sqft
Parking Spaces	1 Parking Space

Location & Zoning

Street Address	508 ROSS CIR
City	MARTINEZ
State	CA
Zip	94553-2249
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T7503 L3
Legal Tract	7503
Legal Lot Number	3
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	320001

Owner

Source: Contra Costa County records, as of September 1, 2026

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

Owner of Record	2 Individual Names on Record
Mailing Address	508 ROSS CIR, MARTINEZ, CA 94553-2249
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Feb 1, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage FREMONT BANK
Feb 1, 2017	Affidavit of Death, Transfer FIRST AMERICAN TITLE

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 5, 2001 · Amount on Record
Deed Sale	Apr 5, 2001 · Amount on Record
Deed Document Number	200184612
Last Transfer Date	Feb 25, 2004
Transfer Doc	0000061680
Record Updated	Oct 29, 2026

February 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 1, 2017
Property Address	508 ROSS CIR, MARTINEZ, CA 94553-2249
Document Number	0000020372
Map Reference	MAP406 PG4
Instrument Date	Jan 27, 2017
Instrument	2017-020372
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	FIRST AMERICAN 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
Relationship	Joint Tenants
Address	508 ROSS CIR, MARTINEZ, CA 94553-2249

Mortgage

Document Number	0000020373
Date	Feb 1, 2017
Instrument	2017-020373

Lender

Name	FREMONT BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 1, 2047

February 2017: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 1, 2017
Property Address	508 ROSS CIR, MARTINEZ, CA 94553-2249
Document Number	0000020371
Instrument Date	Jan 27, 2017
Instrument	20371
Transaction Type	Transfer
Record Updated	Feb 7, 2017
Title Company	FIRST AMERICAN TITLE

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	116 ANGORA CT DANVILLE CA 945065011, DANVILLE, CA 94506-5011

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$606,929 (+2%) Land $192,110 Building $414,819
2025	$8,022.00 (+7.12%)	$595,030 (+4.04%) Land $188,344 Building $406,686
2023	$7,489.00 (+2.59%)	$571,926 Land $181,031 Building $390,895
2022	$7,300.00

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
Flood Insurance Cost	Premium on Record median of 22 policies
Community Rating System	Class 6 (20% premium discount)
Nearby Flood Policies	22 in force
Nearby Flood Claims	11 (1986–2022)
Claims Outside the SFHA	2 of 11
Most Recent Claim	Dec 2022 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Dec 2022 · 4 claims Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 2 claims

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	Low lower than 99.8% of the US · lower than 99.8% of California
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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 497 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · Fixed Wireless, DSL in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Astound Broadband.

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