511 Gilda Ave, Martinez, CA 94553 Property Records

Contra Costa County property record for 511 Gilda Ave, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,542 sqft · built 1978
Lot Size	0.142 acres (6,200 sqft)
Owner	2 Individual Names on Record
Last Sale	$815,000 (Mar 2023)
Tax Bill	$10,705 (2025)
Deeds & Mortgages	Mar 2023 Sale & Mortgage Aug 2020 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`161-343-006-3`

Property Details

APN / Parcel Number

Primary APN	`161-343-006-3`
Alternative APN	`161-343-006`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,542 sqft Living Area
Gross Area	1,983 sqft
1st Floor Area	1,542 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1978
Effective Year Built	Effective 1990
Architectural Style	Ranch
Exterior Material	Wood Siding
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	6,200 sqft (0.142 acres)
Garage Type	Attached
Garage Area	441 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	511 GILDA AVE
City	MARTINEZ
State	CA
Zip	94553-4209
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R6
Legal Description	T05056 L0042 B
Legal Subdivision	SUBDIVISION 5056
Legal Tract	05056
Legal Lot Number	42
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	3
Census Block	3005
Census Tract	320004

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	511 GILDA AVE, MARTINEZ, CA 94553-4209
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Date	Document
Mar 30, 2023	Grant Deed, Transfer · Conventional Mortgage EVERETT FINANCIAL INC
Aug 21, 2020	Grant Deed, Transfer · Conventional Mortgage JPMORGAN CHASE BANK NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 30, 2023 · Amount on Record
Deed Sale	Mar 30, 2023 · Amount on Record
Prior Sale	Aug 21, 2020 · Amount on Record
Deed Document Number	202329380
Record Updated	Oct 29, 2026

March 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Mar 30, 2023
Property Address	511 GILDA AVE, MARTINEZ, CA 94553-4209
Document Number	0000029380
Map Reference	MB 206 PG 5
Instrument Date	Mar 13, 2023
Instrument	2023-029380
Transaction Type	Transfer
Record Updated	Apr 7, 2023
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

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	511 GILDA AVE, MARTINEZ, CA 94553-4209

Mortgage

Document Number	0000029381
Date	Mar 30, 2023
Instrument	2023-029381

Lender

Name	EVERETT FINANCIAL INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Apr 1, 2053

August 2020: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 21, 2020
Property Address	511 GILDA AVE, MARTINEZ, CA 94553-4209
Document Number	0000177590
Map Reference	MB 206 PG 5
Instrument Date	Aug 17, 2020
Instrument	2020-177590
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	511 GILDA AVE, MARTINEZ, CA 94553-4209

Mortgage

Document Number	0000177591
Date	Aug 21, 2020
Instrument	2020-177591

Lender

Name	JPMORGAN CHASE BANK NA
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 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	Mount Diablo Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$864,884 (+2%) Land $530,604 Building $334,280
2025	$10,705.00 (+16.18%)	$847,926 (+17.23%) Land $520,200 Building $327,726
2023	$9,214.00 (+1.57%)	$723,286 Land $374,544 Building $348,742
2022	$9,072.00

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
Nearby Flood Claims	1 (1979)
Most Recent Claim	Oct 1979 · 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	Not rated no burnable land 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	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 537 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
AT&T DSL	100 / 20

May also be available: Astound Broadband, T-Mobile.

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