507 Isabel Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 507 Isabel Dr, Martinez, CA 94553 · Last verified July 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	2.5 Baths
Year Built	Built 1987
Square Footage	1,914 sqft Living Area
Lot Size	7,000 sqft (0.161 acres)
Occupancy	Owner Occupied
Last Sale	$282,500 (1997)
Tax Bill	$6,035.00 (2025)

Owner

Source: Contra Costa County records · APN 155-450-037-9

Assessment roll updated July 14, 2026 · Last verified July 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 File
Mailing Address	507 ISABEL DR, MARTINEZ, CA 94553-6616
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Apr 29, 1997 · Amount on Record
Deed Sale	Apr 29, 1997 · Amount on Record
Prior Sale	Jan 25, 1994 · Amount on Record
Deed Doc Number	199769461
Record Refreshed	Sep 20, 2026

November 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	507 ISABEL DR, MARTINEZ, CA 94553-6616
Transaction Type	Mortgage
Record Updated	Nov 03, 2022
Title Company	FIDELITY NATITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0000187090
Date	Nov 19, 2018
Instrument	2018-187090

Lender

Name	AMERICAN PACIFIC MORTGAGE
Type	Mortgage Company
Address	ROSEVILLE, CA 95661

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Dec 01, 2033

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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

Year	Tax Bill	Assessed Value
2026		$469,288 (+2%) Land $146,182 Building $323,106
2025	$6,035.00 (+4.27%) Homeowner's exemption	$460,087 (+4.04%) Land $143,316 Building $316,771
2023	$5,788.00 (+0.85%) Homeowner's exemption	$442,222 Land $137,751 Building $304,471
2022	$5,739.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`155-450-037-9`
Alternative APN	`155-450-037`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	10 Rooms
Building Area	1,914 sqft Living Area
Gross Area	2,442 sqft Gross Area
1st Floor	1,022 sqft 1st Floor
2nd Floor	892 sqft 2nd Floor
Stories	2 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1987
Lot Area	7,000 sqft (0.161 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	528 sqft Garage

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Street Address	507 ISABEL DR
City	MARTINEZ
State	CA
Zip	94553-6616
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	T05127 L0086 B
Legal Subdivision	SUBDIVISION 5127
Legal Tract	05127
Legal Lot Number	86
Jurisdiction	CONTRA COSTA CA
Minor Civil Division	CENTRAL CONTRA COSTA
Census Blockgroup	2
Census Block	2001
Census Tract	321102