412 Henrietta St, Martinez, CA 94553 Property Records

Contra Costa County property record for 412 Henrietta St, Martinez, CA 94553 · Last verified July 2026

Property Summary

Property Type	Duplex
Details	2 bd · 2 ba · 1,186 sqft · built 1925
Lot Size	0.115 acres (5,000 sqft)
Owner	Company Name on File
Last Sale	$213,000 (Aug 2002)
Tax Bill	$5,191 (2025)
Flood Zone	Zone AO (high risk)
APN	`372-373-006-9`

Property Details

APN / Parcel Number

Primary APN	`372-373-006-9`
Alternative APN	`372-373-006`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,186 sqft Living Area
1st Floor Area	1,186 sqft

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1925
Architectural Style	Duplex Single
Lot Area	5,000 sqft (0.115 acres)
Garage Type	Attached
Garage Area	909 sqft
Parking Spaces	4 Parking Spaces

Location & Zoning

Street Address	412 HENRIETTA ST, 416
City	MARTINEZ
State	CA
Zip	94553-2336
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	ORIG SURVEY LOT 3 & POR 2 BLK 44
Legal Subdivision	TOWN MARTINEZ
Legal Block	44
Legal Lot Number	3
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	2
Census Block	2011
Census Tract	317000

Owner

Source: Contra Costa County records · APN 372-373-006-9

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	1734 ALHAMBRA AVE, MARTINEZ, CA 94553-2502
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Aug 15, 2002 · Amount on Record
Deed Sale	Aug 15, 2002 · Amount on Record
Deed Document Number	2002286060
Last Transfer Date	Oct 21, 2015
Transfer Doc	0000217172
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		$314,642 (+2%) Land $203,857 Building $110,785
2025	$5,191.00 (+4.57%)	$308,473 (+4.04%) Land $199,860 Building $108,613
2023	$4,964.00 (-0.1%)	$296,497 Land $192,100 Building $104,397
2022	$4,969.00

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133170002, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone AO sheet flow 1–3 ft
Special Flood Hazard Area	Yes
Flood Hazard	High
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required (federally backed mortgages)
Flood Insurance Cost	Premium on Record median of 70 individual NFIP policies nearby
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 Storm	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 67% of the US · above 41% of California
Wildfire Likelihood	About 1 in 352 per year
Exposure	Direct burnable vegetation at the parcel

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, availability as of December 31, 2025 · Published October 2026 · based on 348 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Xfinity	Cable	2,000 / 250
Radiate Holdings	Fiber	1,500 / 1,500
Verizon	Fixed Wireless	300 / 20
T-Mobile USA	Fixed Wireless	100 / 20
AT&T	DSL	100 / 20

May also be available at this address: Unwired, AT&T, Radiate Holdings. Availability varies by address; speeds are provider-advertised maximums, not measured.