507 Ross Cir, Martinez, CA 94553 Property Records

Contra Costa County property record for 507 Ross Cir, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,805 sqft · built 1999
Lot Size	0.083 acres (3,600 sqft)
Owner	Trust Name on File
Last Sale	$245,500 (Mar 2000)
Tax Bill	$5,422 (2025)
Deeds & Mortgages	Jun 2021 Mortgage Feb 2022 Transfer
Flood Zone	Zone X (minimal risk)
APN	`380-170-029-9`

Property Details

APN / Parcel Number

Primary APN	`380-170-029-9`
Alternative APN	`380-170-029`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	1,805 sqft Living Area
1st Floor Area	776 sqft
2nd Floor Area	1,029 sqft

Exterior

Year Built	Built 1999
Effective Year Built	Effective 2000
Lot Area	3,600 sqft (0.083 acres)
Garage Type	Attached
Garage Area	423 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	507 ROSS CIR
City	MARTINEZ
State	CA
Zip	94553-2250
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T7503 L36
Legal Subdivision	SUBDIVISION 7503
Legal Tract	7503
Legal Lot Number	36
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	320001

Owner

507 Ross Cir is owner-occupied and held in a trust since February 2022.

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 Record	Trust Name on File
Mailing Address	507 ROSS CIR, MARTINEZ, CA 94553-2250
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 2, 2021	Deed of Trust, Mortgage · Conventional Mortgage CITIBANK NA
Feb 10, 2022	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 27, 2000 · Amount on File
Deed Sale	Mar 27, 2000 · Amount on File
Deed Document Number	200059944
Last Transfer Date	Feb 9, 2022
Transfer Doc	0000026336
Record Updated	Oct 29, 2026

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	507 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SERVICELINK

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	507 ROSS CIR, MARTINEZ, CA 94553-2250

Mortgage

Document Number	0000160775
Date	Jun 2, 2021
Instrument	2021-160775

Lender

Name	CITIBANK NA
Type	Bank
Address	O FALLON, MO 63368

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	179 Months
Due	May 1, 2036

February 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 10, 2022
Property Address	507 ROSS CIR, MARTINEZ, CA 94553-2250
Document Number	0000026336
Map Reference	MB 406 PG 4
Instrument Date	Feb 7, 2022
Instrument	2022-026336
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
Relationship	Living Trust
Address	507 ROSS CIR, MARTINEZ, CA 94553-2250

Tax Assessment & Valuation

The 2025 property tax bill for 507 Ross Cir was $5,422 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
Unified School District	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$384,693 (+2%) Land $125,405 Building $259,288
2025	$5,422.00 Homeowner's exemption	$377,151 Land $122,947 Building $254,204
2023	$5,045.00 (+2.98%) Homeowner's exemption	$362,508 Land $118,174 Building $244,334
2022	$4,899.00

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

Flood

FEMA maps place 507 Ross Cir in Zone X, an area of minimal flood risk, though there have been 11 flood claims nearby since 1986.

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 File 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

Wildfire risk around 507 Ross Cir is low, with less than a 0.01% annual chance of 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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