638 Haven St, Martinez, CA 94553 Property Records

Contra Costa County property record for 638 Haven St, Martinez, CA 94553

Property Summary

Property Type	Single Family Home
Details	2 bd · 1 ba · 1,040 sqft · built 1902
Lot Size	0.115 acres (5,000 sqft)
Owner	2 Company Names on Record
Last Sale	$600,000 (Sep 2024)
Tax Bill	$9,309 (2025)
Deeds & Mortgages	Apr 2023 Sale Oct 2018 Transfer + 1 more
Flood Zone	Zone AO (high risk)
APN	`372-315-001-1`

Property Details

APN / Parcel Number

Primary APN	`372-315-001-1`
Alternative APN	`372-315-001`

Interior

Bedrooms	2 Beds
Full Baths	1 Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,040 sqft Living Area
1st Floor Area	1,040 sqft

Exterior

Year Built	Built 1902
Effective Year Built	Effective 1990
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	528 sqft
Parking Spaces	2 Parking Spaces

Location & Zoning

Street Address	638 HAVEN ST
City	MARTINEZ
State	CA
Zip	94553-2465
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	R3
Legal Description	ORIGINAL SURVEY 1 56
Legal Subdivision	MARTINEZ
Legal Block	56
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2017
Census Tract	317000

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	638 HAVEN ST, MARTINEZ, CA 94553-2465
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 17, 2023	Grant Deed, Transfer OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO HILLTOP
Oct 25, 2018	Quit Claim Deed, Transfer ATTORNEY ONLY
Sep 13, 2018	Affidavit of Death, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Sep 9, 2024 · Amount on Record
Deed Sale	Sep 9, 2024 · Amount on Record
Prior Sale	Apr 17, 2023 · Amount on Record
Deed Document Number	202488509
Prior Transfer Date	Mar 7, 2006
Prior Transfer Doc	0000092368
Record Updated	Oct 29, 2026

April 2023: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Apr 17, 2023
Property Address	638 HAVEN ST, MARTINEZ, CA 94553-2465
Document Number	0000035556
Instrument Date	Apr 11, 2023
Instrument	2023-035556
Transaction Type	Transfer
Record Updated	Apr 26, 2023
Title Company	OLD REPUBLIC TITLE, OLD REPUBLIC TTL CO HILLTOP

Transaction

Amount	Amount Recorded
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	3114 PERRA WAY, WALNUT CREEK, CA 94598-3716

October 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	CONTRA COSTA CA
Recording Date	Oct 25, 2018
Property Address	638 HAVEN ST, MARTINEZ, CA 94553-2465
Document Number	0000168549
Instrument Date	Oct 17, 2018
Instrument	168549
Transaction Type	Transfer
Record Updated	Nov 16, 2018
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	996 3RD AVE PINOLE CA 945642416, PINOLE, CA 94564-2416

September 2018: Affidavit of Death, Transfer

Document Type	Affidavit of Death
Jurisdiction	CONTRA COSTA CA
Recording Date	Sep 13, 2018
Property Address	638 HAVEN ST, MARTINEZ, CA 94553-2465
Document Number	0000146643
Instrument Date	Aug 13, 2018
Instrument	146643
Transaction Type	Transfer
Record Updated	Sep 24, 2018
Title Company	ATTORNEY ONLY

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Partnership
Address	996 THIRED AVE PINOLE CA 94564, PINOLE, CA 94564

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		$703,800 (+2%) Land $346,800 Building $357,000
2025	$9,309.00 (+669.98%) Homeowner's exemption	$690,000 (+2,493.59%) Land $340,000 Building $350,000
2023	$1,209.00 (+1%)	$26,604 Land $20,704 Building $5,900
2022	$1,197.00

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 AO high risk · sheet flow 1–3 ft
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 70 policies
Nearby Flood Policies	70 in force
Nearby Flood Claims	51 (1980–2018)
Claims Outside the SFHA	1 of 51
Most Recent Claim	Sep 2018
Claims by Event	Severe Winter Storms, Flooding, And Mudslides, Feb 2017 · 6 claims Severe Storms, Flooding, Mudslides, And Landslides, Dec 2005 · 12 claims Severe Storms, Flooding, Mud And Landslides, Jan 1997 · 9 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 48% of the US · lower than 71% of California
Wildfire Likelihood	0.1% 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 853 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
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

May also be available: Unwired.

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