506 Isabel Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 506 Isabel Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,222 sqft · built 1986
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Company Names on Record
Tax Bill	$6,841 (2025)
Deeds & Mortgages	Oct 2020 Mortgage Mar 2020 Transfer
Flood Zone	Zone X (minimal risk)
APN	`155-450-009-8`

Property Details

APN / Parcel Number

Primary APN	`155-450-009-8`
Alternative APN	`155-450-009`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	2,222 sqft Living Area
1st Floor Area	1,196 sqft
2nd Floor Area	1,026 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1986
Effective Year Built	Effective 1987
Architectural Style	Traditional
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	562 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Street Address	506 ISABEL DR
City	MARTINEZ
State	CA
Zip	94553-6615
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	T05127 L0058 B
Legal Subdivision	SUBDIVISION 5127
Legal Tract	05127
Legal Lot Number	58
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 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 Company Names on Record
Mailing Address	506 ISABEL DR, MARTINEZ, CA 94553-6615
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 21, 2020	Deed of Trust, Mortgage · Conventional Mortgage LOANDEPOT.COM LLC
Mar 20, 2020	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Mar 16, 2020
Transfer Doc	0000054897
Record Updated	Sep 20, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	506 ISABEL DR, MARTINEZ, CA 94553-6615
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	506 ISABEL DR, MARTINEZ, CA 94553-6615

Mortgage

Document Number	0000245106
Date	Oct 21, 2020
Instrument	2020-245106

Lender

Name	LOANDEPOT.COM LLC
Type	Mortgage Company
Address	FOOTHILL RANCH, CA 92610

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	181 Months
Due	Nov 1, 2035

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 20, 2020
Property Address	506 ISABEL DR, MARTINEZ, CA 94553-6615
Document Number	0000054897
Instrument Date	Mar 16, 2020
Instrument	54897
Transaction Type	Transfer
Record Updated	Apr 14, 2020
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	506 ISABEL DR MARTINEZ CA 945536615, MARTINEZ, CA 94553-6615

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		$542,680 (+2%) Land $183,951 Building $358,729
2025	$6,841.00 (+4.22%) Homeowner's exemption	$532,041 (+4.04%) Land $180,345 Building $351,696
2023	$6,564.00 (+0.86%) Homeowner's exemption	$511,383 Land $173,343 Building $338,040
2022	$6,508.00

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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