420 Haven St, Martinez, CA 94553 Property Records

Contra Costa County property record for 420 Haven St, Martinez, CA 94553

Property Summary

Property Type	Apartments (5+ Units)
Details	4,114 sqft · built 2014
Lot Size	0.23 acres (10,000 sqft)
Owner	Company Name on File
Last Sale	$500,000 (Feb 2011)
Tax Bill	$11,927 (2025)
Flood Zone	Zone AO (high risk)
APN	`372-302-003-2`

Property Details

APN / Parcel Number

Primary APN	`372-302-003-2`
Alternative APN	`372-302-003`

Interior

Total Rooms	6 Rooms
Stories	1 Story
Building Area	4,114 sqft Living Area
Gross Area	418 sqft
1st Floor Area	418 sqft

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Lot Area	10,000 sqft (0.23 acres)

Location & Zoning

Street Address	420 HAVEN ST
City	MARTINEZ
State	CA
Zip	94553-2461
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Legal Description	ORIGINAL SURVEY 1&2 58
Legal Subdivision	MARTINEZ
Legal Block	58
Legal Lot Number	1,2
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2019
Census Tract	317000

Owner

Source: Contra Costa County records · APN 372-302-003-2

Assessment roll updated July 14, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on File
Mailing Address	52 ESTABUENO DR, ORINDA, CA 94563-4142
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Feb 25, 2011 · Amount on Record
Deed Sale	Feb 25, 2011 · Amount on Record
Deed Document Number	201142161
Last Transfer Date	Jan 25, 2013
Transfer Doc	0000028150
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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

Assessed value is set for property tax purposes and is not a market price estimate.

Year	Tax Bill	Assessed Value
2026		$653,386 (+2%) Land $196,013 Building $457,373
2025	$11,927.00 (+4.17%)	$640,575 (+4.04%) Land $192,170 Building $448,405
2023	$11,450.00 (-0.6%)	$615,702 Land $184,708 Building $430,994
2022	$11,519.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 12, 2026 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

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

Wildfire

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 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.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
AT&T Fiber · DSL	5,000 / 5,000
Xfinity Cable	2,000 / 250
Radiate Holdings Fiber · Cable in parts of the area	1,500 / 1,500
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20

May also be available: Unwired.

Based on FCC filings for 853 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF MARTINEZ serves 31,015 people
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.