311 G St, Martinez, CA 94553 Property Records

Contra Costa County property record for 311 G St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,241 sqft · built 1944
Lot Size	0.095 acres (4,140 sqft)
Owner	Individual Name on Record
Last Sale	$619,000 (Jun 2026)
Tax Bill	$8,025 (2025)
Deeds & Mortgages	Jun 2026 Sale & Mortgage May 2024 Transfer
Flood Zone	Zone X (minimal risk)
APN	`370-190-011-4`

Property Details

APN / Parcel Number

Primary APN	`370-190-011-4`
Alternative APN	`370-190-011`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,241 sqft Living Area
1st Floor Area	1,241 sqft

Exterior

Year Built	Built 1944
Effective Year Built	Effective 1944
Lot Area	4,140 sqft (0.095 acres)
Garage Type	Attached
Garage Area	400 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	311 G ST
City	MARTINEZ
State	CA
Zip	94553-3705
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R1
Legal Description	ORIGINAL SURVEY POR BLK 124
Legal Subdivision	TOWN/MARTINEZ
Legal Block	124
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3014
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	Individual Name on Record
Mailing Address	311 G ST, MARTINEZ, CA 94553-3705
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Jun 9, 2026	Grant Deed, Transfer · Conventional Mortgage CHAMPIONS FUNDING LLC
May 7, 2024	Intrafamily Transfer, Transfer

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jun 9, 2026 · Amount on Record
Deed Sale	Jun 9, 2026 · Amount on Record
Deed Document Number	202660050
Prior Transfer Date	Apr 25, 2024
Prior Transfer Doc	0000042913
Record Updated	Sep 20, 2026

June 2026: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Jun 9, 2026
Property Address	311 G ST, MARTINEZ, CA 94553-3705
Document Number	0000060050
Instrument Date	Jun 2, 2026
Instrument	202660050
Transaction Type	Transfer
Record Updated	Jun 16, 2026
Title Company	E-CHICAGO TITLE, CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$68,770.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Community Property
Address	311 G ST, MARTINEZ, CA 94553-3705

Mortgage

Document Number	0000060051,
Date	Jun 9, 2026
Instrument	202660051

Lender

Name	CHAMPIONS FUNDING LLC

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 1, 2056

Interest

Rate Type	Fixed Rate
Rate	6.23%
Initial Type	Fixed Rate
Max Rate	-1%

May 2024: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	May 7, 2024
Property Address	311 G ST, MARTINEZ, CA 94553-3705
Document Number	0000042913
Instrument Date	Apr 25, 2024
Instrument	2024-042913
Transaction Type	Transfer
Record Updated	May 15, 2024

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	Separate Estate/Property
Address	736 FERRY ST, MARTINEZ, CA 94553-1624

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		$613,836 (+2%) Land $478,584 Building $135,252
2025	$8,025.00 (+429.35%)	$601,800 (+798.8%) Land $469,200 Building $132,600
2023	$1,516.00 (+1.34%) Homeowner's exemption	$66,956 Land $18,624 Building $48,332
2022	$1,496.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

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
Nearest Special Flood Hazard Area	Zone AO, within 500 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 358 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
Verizon Fixed Wireless	300 / 20
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless · DSL · Fiber in parts of the area	100 / 20

May also be available: Unwired.

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