50 Douglas Dr, Martinez, CA 94553 Property Records

Contra Costa County property record for 50 Douglas Dr, Martinez, CA 94553

Property Summary

Property Type	Federal Property (Exempt)
Details	92,024 sqft · built 1985
Lot Size	4.47 acres (195,148 sqft)
Owner	Company Name on File
Tax Bill	$4,741 (2025)
Flood Zone	Zone X (minimal risk)
APN	`376-210-034-9`

Property Details

APN / Parcel Number

Primary APN	`376-210-034-9`
Alternative APN	`376-210-034`

Interior

Stories	1 Story
Building Area	92,024 sqft Gross Area
1st Floor Area	92,024 sqft

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1986
Lot Area	195,148 sqft

Location & Zoning

Street Address	50 DOUGLAS DR
City	MARTINEZ
State	CA
Zip	94553-4098
Property Category	Public Works
Property Type	Public Works > Federal Property (Exempt)
Legal Description	T6265C L0005 B
Legal Tract	6265C
Legal Lot Number	0005
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1002
Census Tract	319001

Owner

Source: Contra Costa County records · APN 376-210-034-9

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	255 GLACIER DR, MARTINEZ, CA 94553-4825
Owner Type	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
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		$10,717,916 (+2%) Land $3,590,380 Building $7,127,536
2025	$4,741.00	$10,507,762 (+4.04%) Land $3,519,981 Building $6,987,781
2023	$4,741.00	$10,099,735 Land $3,383,297 Building $6,716,438
2022	$4,741.00

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 X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 38 policies
Nearby Flood Policies	38 in force
Nearby Flood Claims	1 (2023)
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides

Wildfire

Wildfire Risk	Low lower than 66% of the US · lower than 80% of California
Wildfire Likelihood	0.04% 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)
Xfinity Cable	2,000 / 250
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Radiate Holdings, T-Mobile USA, Unwired, Verizon.

Based on FCC filings for 212 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.