501 Isabel Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 501 Isabel Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 1,914 sqft · built 1986
Lot Size	0.138 acres (6,000 sqft)
Owner	2 Individuals on Record
Last Sale	$780,000 (Oct 2005)
Tax Bill	$11,522 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Feb 2019 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`155-450-039-5`

Property Details

APN / Parcel Number

Primary APN	`155-450-039-5`
Alternative APN	`155-450-039`

Interior

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

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1987
Architectural Style	Traditional
Exterior Material	Wood Siding
Roof Material	Wood Shingle
Lot Area	6,000 sqft (0.138 acres)
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	501 ISABEL DR
City	MARTINEZ
State	CA
Zip	94553-6616
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	T05127 L0088 B
Legal Subdivision	SUBDIVISION 5127
Legal Tract	05127
Legal Lot Number	88
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2001
Census Tract	321102

Owner

Source: Contra Costa County assessment roll, 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 Individuals on Record
Mailing Address	501 ISABEL DR, MARTINEZ, CA 94553-6616
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Sep 8, 2020	Deed of Trust, Mortgage · Conventional Mortgage AMERISAVE MORTGAGE CORP
Feb 4, 2019	Deed of Trust, Mortgage · Conventional with PMI LOANDEPOT.COM LLC
Jun 2, 2017	Intrafamily Transfer, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 5, 2005 · Amount on Record
Deed Sale	Oct 5, 2005 · Amount on Record
Deed Document Number	2005381264
Last Transfer Date	May 22, 2017
Transfer Doc	0000098082
Record Updated	Sep 20, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	501 ISABEL DR, MARTINEZ, CA 94553-6616
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	SOLIDIFI TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	501 ISABEL DR, BRIONES, CA 94553-6616

Mortgage

Document Number	0000195618
Date	Sep 8, 2020
Instrument	2020-195618

Lender

Name	AMERISAVE MORTGAGE CORP
Type	Mortgage Company
Address	ATLANTA, GA 30305

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Sep 1, 2050

February 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	501 ISABEL DR, MARTINEZ, CA 94553-6616
Document Number	0000020834
Instrument Date	Feb 4, 2019
Transaction Type	Mortgage
Record Updated	Feb 27, 2019
Title Company	WFG LENDER SERVICES, WFG LENDER SVCS

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	501 ISABEL DR MARTINEZ CA 945536616, MARTINEZ, CA 94553-6616

Mortgage

Document Number	0000020834
Date	Feb 15, 2019
Instrument	20834

Lender

Name	LOANDEPOT.COM LLC
Type	Funding / Finance Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional with PMI
Amount	Amount Recorded
Term	360 Months
Due	Feb 14, 2049

Interest

Rate Type	Adjustable Rate
Rate	4%

June 2017: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 2, 2017
Property Address	501 ISABEL DR, MARTINEZ, CA 94553-6616
Document Number	0000098082
Map Reference	MB230 PG44
Instrument Date	May 22, 2017
Instrument	2017-098082
Transaction Type	Transfer
Record Updated	Jul 27, 2021
Title Company	OLD REPUBLIC TITLE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	501 ISABEL DR, MARTINEZ, CA 94553-6616

Mortgage

Document Number	0000098084
Date	Jun 2, 2017
Instrument	2017-098084

Lender

Name	SIERRA PACIFIC MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 1, 2047

Tax Assessment & Valuation

Source: Contra Costa County assessment roll, as of July 14, 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

Year	Tax Bill	Assessed Value
2026		$950,000 (-) Land $414,102 Building $535,898
2025	$11,522.00 (+9.38%) Homeowner's exemption	$950,000 (+9.83%) Land $414,102 Building $535,898
2023	$10,534.00 (-0.97%) Homeowner's exemption	$865,000 Land $377,051 Building $487,949
2022	$10,637.00

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
Community Rating System	Class 9 (5% premium discount)
Nearby Flood Policies	1 in force
Nearby Flood Claims	3 (1983–2018)
Claims Outside the SFHA	2 of 3
Most Recent Claim	Nov 2018 · rainfall accumulation

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 96% of the US · lower than 97.4% of California
Wildfire Likelihood	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 368 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Verizon.

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