317 Green St, Martinez, CA 94553 Property Records

Contra Costa County property record for 317 Green St, Martinez, CA 94553

Property Summary

Property Type	Apartments (5+ Units)
Details	26,386 sqft · built 1973
Lot Size	0.804 acres (35,000 sqft)
Owner	Company Name on File
Last Sale	$1,032,000 (Mar 1995)
Tax Bill	$21,039 (2025)
Deeds & Mortgages	Aug 2021 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`373-211-006-3`

Property Details

APN / Parcel Number

Primary APN	`373-211-006-3`
Alternative APN	`373-211-006`

Interior

Total Rooms	32 Rooms
Stories	1 Story
Building Area	26,386 sqft Living Area
Gross Area	5,902 sqft
1st Floor Area	5,902 sqft

Exterior

Year Built	Built 1973
Effective Year Built	Effective 1973
Lot Area	35,000 sqft (0.804 acres)

Location & Zoning

Street Address	317 GREEN ST
City	MARTINEZ
State	CA
Zip	94553
Property Category	Residential
Property Type	Residential > Multi-Unit > Apartments (5+ Units)
Legal Description	ORIG SURVEY OF MTZ LOT 1 TO 4 & 6 TO 8 BLK 29
Legal Subdivision	MARTINEZ
Legal Block	29
Legal Lot Number	1
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1058
Census Tract	316000

Owner

317 Green St, a residential property, is owned by a company that bought it in March 1995 and is owner-occupied.

Source: Contra Costa County records, as of October 12, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	Company Name on File
Mailing Address	409 JACKSON ST, HAYWARD, CA 94544-1530
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Mar 22, 1995 · Amount on File
Deed Sale	Mar 22, 1995 · Amount on File
Deed Document Number	199545532
Prior Transfer Date	Mar 16, 1995
Prior Transfer Doc	0000045531
Record Updated	Oct 29, 2026

August 2021: Agreement of Sale, Transfer

Document Type	Agreement of Sale
Jurisdiction	CONTRA COSTA CA
Recording Date	Aug 3, 2021
Property Address	317 GREEN ST, MARTINEZ, CA 94553
Document Number	0000217062
Map Reference	MB D PG 83
Instrument Date	Jul 29, 2021
Instrument	2021-217062
Transaction Type	Transfer
Record Updated	Nov 3, 2022
Title Company	NORTH AMERICAN TITLE COMPANY

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	500 CAPITOL MALL STE 1400, 1400, SACRAMENTO, CA 95814-4740

Mortgage

Document Number	0000217063
Date	Aug 3, 2021
Instrument	2021-217063

Lender

Name	MERCHANTS CAPITAL CORP
Type	Non-Lending Institution
Address	05510

Agreement

Type	Commercial Mortgage
Amount	Amount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 317 Green St was $21,039 with an additional exemption.

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		$2,568,242 (+2%) Land $767,553 Building $1,800,689
2025	$21,039.00 Additional exemption filed	$2,517,885 Land $752,503 Building $1,765,382
2023	$20,944.00 (-4.66%) Additional exemption filed	$2,420,115 Land $723,284 Building $1,696,831
2022	$21,968.00

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

Flood

FEMA maps place 317 Green St in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.

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
Nearest Special Flood Hazard Area	Zone AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 42 policies
Nearby Flood Policies	42 in force
Nearby Flood Claims	20 (1982–2017)
Claims Outside the SFHA	4 of 20
Most Recent Claim	Jan 2017 · Severe Winter Storms, Flooding, And Mudslides
Claims by Event	Severe Storms, Flooding, Mudslides, And Landslides, Jan 2006 · 3 claims Coastal Storms, Floods, Slides & Tornadoes, Mar 1983 · 5 claims Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 3 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

Wildfire risk around 317 Green St is moderate, ranking above 46% of the US, with a 0.08% annual chance of wildfire.

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

Wildfire Risk	Moderate above 46% of the US · lower than 72% of California
Wildfire Likelihood	0.08% 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 371 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Astound Broadband Fiber · Cable in parts of the area	5,000 / 5,000
Xfinity Cable	2,000 / 2,000
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20
T-Mobile Fixed Wireless	100 / 20