426 G St, Martinez, CA 94553 Property Records

Contra Costa County property record for 426 G St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1.5 ba · 768 sqft · built 1927
Lot Size	0.083 acres (3,600 sqft)
Owner	2 Individual Names on Record
Last Sale	$515,000 (Nov 2020)
Tax Bill	$7,421 (2025)
Deeds & Mortgages	Nov 2020 Sale & Mortgage
Flood Zone	Zone X (moderate risk)
APN	`370-081-005-8`

Property Details

APN / Parcel Number

Primary APN	`370-081-005-8`
Alternative APN	`370-081-005`

Interior

Bedrooms	2 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	768 sqft Living Area
1st Floor Area	768 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1927
Effective Year Built	Effective 1950
Architectural Style	Bungalow
Exterior Material	Wood
Roof Material	Composition Shingle
Lot Area	3,600 sqft (0.083 acres)
Lot Dimensions	90 ft deep x 40 ft wide
Garage Type	Detached
Garage Area	342 sqft
Parking Spaces	1 Parking Space
Deck Area	Deck Area

Utilities, Heating & Cooling

Heating System	Forced Air with A/C
Heating Fuel	Gas
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Street Address	426 G ST
City	MARTINEZ
State	CA
Zip	94553-3706
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	MUIR MANOR L5
Legal Subdivision	MUIR MANOR
Legal Lot Number	5
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3013
Census Tract	318000

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	426 G ST, MARTINEZ, CA 94553-3706
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Nov 19, 2020 · Amount on Record
Deed Sale	Nov 19, 2020 · Amount on Record
Prior Sale	Sep 19, 2000 · Amount on Record
Deed Document Number	2020280311
Prior Transfer Date	Jul 24, 1996
Prior Transfer Doc	0000213220
Record Updated	Sep 20, 2026

November 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Nov 19, 2020
Property Address	426 G ST, MARTINEZ, CA 94553-3706
Document Number	0000280311
Map Reference	VOL 1 PG 15
Instrument Date	Nov 13, 2020
Instrument	2020-280311
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	PLACER TITLE COMPANY

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property with Right of Survivorship
Address	426 G ST, MARTINEZ, CA 94553-3706

Mortgage

Document Number	0000280312
Date	Nov 19, 2020
Instrument	2020-280312

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company

Agreement

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

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	Martinez Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$568,599 (+2%) Land $386,427 Building $182,172
2025	$7,421.00 (+6.52%) Homeowner's exemption	$557,450 (+4.04%) Land $378,850 Building $178,600
2023	$6,967.00 (+1.66%) Homeowner's exemption	$535,806 Land $364,140 Building $171,666
2022	$6,853.00

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AO, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 109 policies
Nearby Flood Policies	109 in force
Nearby Flood Claims	32 (1980–2019)
Claims Outside the SFHA	3 of 32
Most Recent Claim	Feb 2019
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 6 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	Moderate above 59% of the US · lower than 64% of California
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within 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	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 335 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Astound Broadband Fiber · Cable in parts of the area	1,500 / 1,500
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T DSL	100 / 20