4803 Northridge Rd, Martinez, CA 94553 Property Records

Contra Costa County property record for 4803 Northridge Rd, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	5 bd · 2 ba · 2,165 sqft · built 1960
Lot Size	2.81 acres (122,664 sqft)
Owner	2 Trust Names on File
Last Sale	$695,000 (May 2012)
Tax Bill	$10,466 (2025)
Deeds & Mortgages	Aug 2021 Mortgage Aug 2021 Transfer + 3 more
Flood Zone	Zone X (minimal risk)
APN	`162-060-021-1`

Property Details

APN / Parcel Number

Primary APN	`162-060-021-1`
Alternative APNs	`162-060-021` `1620600104`

Interior

Bedrooms	5 Beds
Full Baths	2 Baths
Total Rooms	11 Rooms
Stories	1 Story
Building Area	2,165 sqft Living Area
1st Floor Area	2,165 sqft

Exterior

Year Built	Built 1960
Effective Year Built	Effective 1965
Lot Area	122,664 sqft
Garage Type	Attached
Garage Area	936 sqft
Parking Spaces	4 Parking Spaces

Utilities, Heating & Cooling

Cooling System	Central

Location & Zoning

Street Address	4803 NORTHRIDGE RD
City	MARTINEZ
State	CA
Zip	94553-4540
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	MUIR OAKS POR LOT 20
Legal Subdivision	MUIR OAKS
Legal Lot Number	20
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	4
Census Block	4000
Census Tract	321101

Owner

4803 Northridge Rd is owner-occupied and held in a trust since August 2021.

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

Owner of Record	2 Trust Names on File
Mailing Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust

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, 2021	Intrafamily Transfer, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Aug 11, 2021	Intrafamily Transfer, Transfer OLD REPUBLIC TITLE COMPANY
Mar 12, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Mar 12, 2020	Quit Claim Deed, Transfer OLD REPUBLIC TITLE
Feb 20, 2018	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 31, 2012 · Amount on File
Deed Sale	May 31, 2012 · Amount on File
Deed Document Number	2012128261
Last Transfer Date	Aug 6, 2021
Transfer Doc	0000223677
Record Updated	Oct 29, 2026

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 11, 2021
Property Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Document Number	0000223677
Map Reference	VOL 10 PG 243
Instrument Date	Aug 6, 2021
Instrument	2021-223677
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
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	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540

Mortgage

Document Number	0000223678
Date	Aug 11, 2021
Instrument	2021-223678

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2051

August 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 11, 2021
Property Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Document Number	0000223679
Map Reference	VOL 10 PG 243
Instrument Date	Aug 6, 2021
Instrument	2021-223679
Transaction Type	Transfer
Record Updated	Jun 7, 2023
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540

March 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 12, 2020
Property Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Document Number	0000047245
Map Reference	VOL 10 PG 243
Instrument Date	Mar 5, 2020
Instrument	2020-047245
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	OLD REPUBLIC TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540

Mortgage

Document Number	0000047246
Date	Mar 12, 2020
Instrument	2020-047246

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

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

March 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 12, 2020
Property Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Document Number	0000047247
Instrument Date	Mar 5, 2020
Instrument	47247
Transaction Type	Transfer
Record Updated	Mar 18, 2020
Title Company	OLD REPUBLIC TITLE

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4803 NORTHRIDGE RD MARTINEZ CA 945534540, MARTINEZ, CA 94553-4540

February 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Feb 20, 2018
Property Address	4803 NORTHRIDGE RD, MARTINEZ, CA 94553-4540
Document Number	0000025818
Instrument Date	Feb 17, 2018
Instrument	25818
Transaction Type	Transfer
Record Updated	Feb 27, 2018

Transaction

Tax	$0.00
Amount Accuracy	Full Value
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Living Trust
Address	4803 NORTHRIDGE RD MARTINEZ CA 945534540, MARTINEZ, CA 94553-4540

Tax Assessment & Valuation

The 2025 property tax bill for 4803 Northridge Rd was $10,466 with a homeowner's exemption.

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	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$895,980 (+2%) Land $763,574 Building $132,406
2025	$10,466.00 Homeowner's exemption	$878,412 Land $748,602 Building $129,810
2023	$9,840.00 (+1.75%) Homeowner's exemption	$844,304 Land $719,534 Building $124,770
2022	$9,671.00

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

Flood

FEMA maps place 4803 Northridge Rd in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1981.

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
Nearby Flood Policies	1 in force
Nearby Flood Claims	1 (1981)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Nov 1981 · 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

Wildfire risk around 4803 Northridge Rd is low, with a 0.02% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation

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	CITY OF MARTINEZ serves 31,015 people · EPA ID CA0710006
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Oct 2025
Lead	Under 1 ppb (2023–2025) 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 187 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20

May also be available: Astound Broadband.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Northridge Rd

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