637 Ross Cir, Martinez, CA 94553 Property Records

Contra Costa County property record for 637 Ross Cir, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,002 sqft · built 2000
Lot Size	0.091 acres (3,964 sqft)
Owner	Individual Name on File
Last Sale	$355,000 (Oct 2009)
Tax Bill	$6,442 (2025)
Deeds & Mortgages	Aug 2023 Line of Credit Jul 2020 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`380-180-087-5`

Property Details

APN / Parcel Number

Primary APN	`380-180-087-5`
Alternative APN	`380-180-087`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	2,002 sqft Living Area
1st Floor Area	1,011 sqft
2nd Floor Area	991 sqft

Exterior

Year Built	Built 2000
Effective Year Built	Effective 2001
Lot Area	3,964 sqft (0.091 acres)
Garage Type	Attached
Garage Area	459 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	637 ROSS CIR
City	MARTINEZ
State	CA
Zip	94553-2252
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	P1
Legal Description	T7503 L38
Legal Subdivision	SUBDIVISION 7503
Legal Tract	7503
Legal Lot Number	38
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	320001

Owner

637 Ross Cir is owned and occupied by an individual who bought it in October 2009.

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

Owner of Record	Individual Name on File
Mailing Address	637 ROSS CIR, MARTINEZ, CA 94553-2252
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Single Person

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
Aug 11, 2023	Deed of Trust, Mortgage · Line of Credit HOMESTREET BANK
Jul 27, 2020	Deed of Trust, Mortgage · Conventional Mortgage WINNPOINTE CORPORATION
Mar 30, 2018	Deed of Trust, Mortgage · Line of Credit HOMESTREET BANK

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 30, 2009 · Amount on File
Deed Sale	Oct 30, 2009 · Amount on File
Prior Sale	May 22, 2001 · Amount on File
Deed Document Number	2009259113
Prior Transfer Date	Nov 22, 2006
Prior Transfer Doc	0000382655
Record Updated	Oct 29, 2026

August 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	637 ROSS CIR, MARTINEZ, CA 94553-2252
Transaction Type	Mortgage
Record Updated	Aug 22, 2023
Title Company	TICOR TITLE INSURANCE COMPANY, TICOR TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	637 ROSS CIR, MARTINEZ, CA 94553-2252

Mortgage

Document Number	0000076862
Date	Aug 11, 2023
Instrument	2023-076862

Lender

Name	HOMESTREET BANK
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Sep 15, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

July 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	637 ROSS CIR, MARTINEZ, CA 94553-2252
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	ORANGE COAST TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000153143
Date	Jul 27, 2020
Instrument	2020-153143

Lender

Name	WINNPOINTE CORPORATION
Type	Mortgage Company
Address	ORANGE, CA 92868

Agreement

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

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	637 ROSS CIR, MARTINEZ, CA 94553-2252
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	FIRST AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000049657
Date	Mar 30, 2018
Instrument	2018-049657

Lender

Name	HOMESTREET BANK
Type	Bank
Address	SEATTLE, WA 98101

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	301 Months
Due	Apr 1, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 637 Ross Cir was $6,442.

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		$467,386 (+2%) Land $230,402 Building $236,984
2025	$6,442.00	$458,223 Land $225,885 Building $232,338
2023	$6,006.00 (+2.79%)	$440,431 Land $217,114 Building $223,317
2022	$5,843.00

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

Flood

FEMA maps place 637 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 637 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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