531 Ross Cir, Martinez, CA 94553 Property Records

Contra Costa County property record for 531 Ross Cir, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 3 ba · 2,316 sqft · built 2000
Lot Size	0.088 acres (3,836 sqft)
Owner	Individual Name on File
Last Sale	$588,000 (Nov 2017)
Tax Bill	$8,721 (2025)
Deeds & Mortgages	Apr 2020 Mortgage Nov 2017 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`380-170-024`

Property Details

APN / Parcel Number

Primary APN	`380-170-024`
Alternative APN	`380-170-024-0`

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 2000
Effective Year Built	Effective 2000
Lot Area	3,836 sqft (0.088 acres)
Garage Type	Attached
Garage Area	379 sqft
Parking Spaces	1 Parking Space

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	531 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 L31
Legal Subdivision	SUBDIVISION 7503
Legal Tract	7503
Legal Lot Number	31
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	320001

Owner

531 Ross Cir is owned and occupied by an individual who bought it in November 2017.

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

Owner of Record	Individual Name on File
Mailing Address	531 ROSS CIR, MARTINEZ, CA 94553-2250
Occupancy	Owner Occupied
Owner Type	Individual

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
Apr 14, 2020	Deed of Trust, Mortgage · Conventional Mortgage NORTHPOINTE BANK
Nov 8, 2017	Grant Deed, Transfer · ARM BANC OF CALIFORNIA NA

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 8, 2017 · Amount on File
Deed Sale	Nov 8, 2017 · Amount on File
Prior Sale	Jun 30, 2016 · Amount on File
Deed Document Number	2017211442
Prior Transfer Date	Jun 27, 2016
Prior Transfer Doc	0000129477
Record Updated	Oct 29, 2026

April 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	531 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000070267
Date	Apr 14, 2020
Instrument	2020-070267

Lender

Name	NORTHPOINTE BANK
Type	Bank
Address	GRAND RAPIDS, MI 49546

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2050

November 2017: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 8, 2017
Property Address	531 ROSS CIR, MARTINEZ, CA 94553-2250
Document Number	0000211442
Map Reference	MB406 PG4
Instrument Date	Nov 3, 2017
Instrument	2017-211442
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Amount	Amount on Record
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
Address	531 ROSS CIR, MARTINEZ, CA 94553-2250

Mortgage

Document Number	0000211443
Date	Nov 8, 2017
Instrument	2017-211443

Lender

Name	BANC OF CALIFORNIA NA
Type	Bank

Agreement

Type	ARM
Amount	Amount on Record
Term	361 Months
Due	Dec 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	5.25%
Adjustable	Adjustable Rate Rider
Type Change Date	Dec 1, 2022
Change Frequency	Annually
Min Rate At Change	3.25%
Max Rate At Change	7.25%
Index	1-Year LIBOR
Margin	3
Max Rate	11.2%

Tax Assessment & Valuation

The 2025 property tax bill for 531 Ross Cir was $8,721 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		$682,418 (+2%) Land $348,173 Building $334,245
2025	$8,721.00 Homeowner's exemption	$669,039 Land $341,347 Building $327,692
2023	$8,138.00 (+2.56%) Homeowner's exemption	$643,061 Land $328,093 Building $314,968
2022	$7,935.00

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

Flood

FEMA maps place 531 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 531 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.

Nearby Properties on Ross Cir

Nearby Streets

Search Property Records by Address or Parcel Number

Search by:

By searching, you agree to: Terms • Privacy • Disclosures