503 Ross Cir, Martinez, CA 94553 Property Records

Contra Costa County property record for 503 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 (3,607 sqft)
Owner	2 Individual Names on Record
Last Sale	$374,000 (Apr 2002)
Tax Bill	$7,451 (2025)
Deeds & Mortgages	Feb 2024 Line of Credit Feb 2024 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`380-170-030-7`

Property Details

APN / Parcel Number

Primary APN	`380-170-030-7`
Alternative APN	`380-170-030`

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	3,607 sqft (0.083 acres)
Garage Type	Attached
Garage Area	423 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	503 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 L37
Legal Subdivision	SUBDIVISION 7503
Legal Tract	7503
Legal Lot Number	37
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 July 14, 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	503 ROSS CIR, MARTINEZ, CA 94553-2250
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Feb 22, 2024	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND
Feb 22, 2024	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND
Jan 31, 2020	Deed of Trust, Mortgage · Conventional Mortgage CHERRY CREEK MORTGAGE CO INC
Jun 23, 2020	Deed of Trust, Mortgage · Line of Credit THIRD FSLA OF CLEVELAND

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 30, 2002 · Amount on Record
Deed Sale	Apr 30, 2002 · Amount on Record
Prior Sale	Apr 5, 2000 · Amount on Record
Deed Document Number	2002151716
Record Updated	Oct 29, 2026

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	503 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Apr 3, 2024
Title Company	TITLE 365, TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	503 ROSS CIR, MARTINEZ, CA 94553-2250

Mortgage

Document Number	0000016608
Date	Feb 22, 2024
Instrument	2024-016608

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Bank
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 14, 2054

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

February 2024: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	503 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Mar 19, 2024
Title Company	TITLE 365, TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	503 ROSS CIR, MARTINEZ, CA 94553-2250

Mortgage

Document Number	0000016608
Date	Feb 22, 2024
Instrument	2024-016608

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Bank
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Feb 14, 2054

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

January 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	503 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	BOSTON NATIONAL TITLE LLC NC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000019429
Date	Jan 31, 2020
Instrument	2020-019429

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company
Address	ENGLEWOOD, CO 80111

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2050

June 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	503 ROSS CIR, MARTINEZ, CA 94553-2250
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000121383
Date	Jun 23, 2020
Instrument	2020-121383

Lender

Name	THIRD FSLA OF CLEVELAND
Type	Lending Institution
Address	CLEVELAND, OH 44105

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Jun 9, 2050

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

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		$563,539 (+2%) Land $263,689 Building $299,850
2025	$7,451.00 (+7.21%) Homeowner's exemption	$552,490 (+4.04%) Land $258,519 Building $293,971
2023	$6,950.00 (+2.67%) Homeowner's exemption	$531,037 Land $248,481 Building $282,556
2022	$6,769.00

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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