623 Sterling Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 623 Sterling Dr, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	4 bd · 2 ba · 1,467 sqft · built 1972
Lot Size	0.161 acres (7,000 sqft)
Owner	2 Company Names on Record
Last Sale	$463,000 (Jun 2010)
Tax Bill	$8,158 (2025)
Deeds & Mortgages	May 2022 Mortgage Nov 2021 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`164-295-005-7`

Property Details

APN / Parcel Number

Primary APN	`164-295-005-7`
Alternative APN	`164-295-005`

Interior

Bedrooms	4 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,467 sqft Living Area
Gross Area	1,959 sqft
1st Floor Area	1,467 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1972
Effective Year Built	Effective 1974
Architectural Style	Ranch
Exterior Material	Stucco
Construction Type	Frame
Roof Material	Wood Shingle
Lot Area	7,000 sqft (0.161 acres)
Garage Type	Attached
Garage Area	492 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

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

Location & Zoning

Street Address	623 STERLING DR
City	MARTINEZ
State	CA
Zip	94553-5929
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R10
Legal Description	TRACT 3469 LOT 59 EX MR
Legal Subdivision	SUBDIVISION 3469
Legal Tract	3469
Legal Lot Number	59
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1008
Census Tract	321103

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	623 STERLING DR, MARTINEZ, CA 94553-5929
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
May 13, 2022	Deed of Trust, Mortgage · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC
Nov 17, 2021	Deed of Trust, Mortgage · Line of Credit AFFINITY FCU
Oct 7, 2020	Intrafamily Transfer, Transfer · Conventional Mortgage CROSSCOUNTRY MORTGAGE LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 21, 2010 · Amount on Record
Deed Sale	Jun 21, 2010 · Amount on Record
Deed Document Number	2010122791
Last Transfer Date	Jul 1, 2024
Transfer Doc	0000074753
Record Updated	Sep 20, 2026

May 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	623 STERLING DR, MARTINEZ, CA 94553-5929
Transaction Type	Mortgage
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	623 STERLING DR, BRIONES, CA 94553-5929

Mortgage

Document Number	0000082609
Date	May 13, 2022
Instrument	2022-082609

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company
Address	BRECKSVILLE, OH 44141

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jun 1, 2052

November 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	CONTRA COSTA CA
Property Address	623 STERLING DR, MARTINEZ, CA 94553-5929
Transaction Type	Mortgage
Record Updated	Nov 3, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	623 STERLING DR, MARTINEZ, CA 94553-5929

Mortgage

Document Number	0000317705
Date	Nov 17, 2021
Instrument	2021-317705

Lender

Name	AFFINITY FCU
Type	Credit Union
Address	BASKING RIDGE, NJ 07920

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	355 Months
Due	Jun 3, 2051

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

October 2020: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 7, 2020
Property Address	623 STERLING DR, MARTINEZ, CA 94553-5929
Document Number	0000230526
Map Reference	MB 109 PG 45
Instrument Date	Oct 1, 2020
Instrument	2020-230526
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	FIDELITY NATIONAL TITLE CO

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	623 STERLING DR, MARTINEZ, CA 94553-5929

Mortgage

Document Number	0000230527
Date	Oct 7, 2020
Instrument	2020-230527

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 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		$655,135 (+2%) Land $473,981 Building $181,154
2025	$8,158.00 (+10.92%)	$642,290 (+11.81%) Land $464,688 Building $177,602
2023	$7,355.00 (+0.84%)	$574,431 Land $446,645 Building $127,786
2022	$7,294.00

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

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Moderate above 54% of the US · lower than 68% of California
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 548 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: T-Mobile.

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