3735 Main St, Oakley, CA 94561 Property Records

Contra Costa County property record for 3735 Main St, Oakley, CA 94561

Property Summary

Property Type	Duplex
Details	1,430 sqft · built 1945
Lot Size	0.127 acres (5,535 sqft)
Owner	Company Name on File
Tax Bill	$1,995 (2025)
Flood Zone	Zone X (minimal risk)
APN	`035-163-004-1`

Property Details

APN / Parcel Number

Primary APN	`035-163-004-1`
Alternative APN	`035-163-004`

Interior

Stories	1 Story
Building Area	1,430 sqft Living Area
1st Floor Area	1,430 sqft

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1945
Architectural Style	Duplex Single
Lot Area	5,535 sqft (0.127 acres)

Location & Zoning

Street Address	3735 MAIN ST
City	OAKLEY
State	CA
Zip	94561-5780
Property Category	Residential
Property Type	Residential > Multi-Unit > Duplex
Legal Description	O HARA ADDN LOT 4 BLK 17
Legal Subdivision	O HARA ADD
Legal Block	17
Legal Lot Number	4
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	EAST CONTRA COSTA
Census Block Group	2
Census Block	2002
Census Tract	302007

Owner

Source: Contra Costa County assessment roll, 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	Company Name on File
Mailing Address	PO BOX 876, OAKLEY, CA 94561-0876
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Transfer Date	Sep 10, 2015
Transfer Doc	0000248430
Record Updated	Sep 20, 2026

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	Oakley City
Secondary School District	Liberty Union High School District (09 - 12)
Elementary School District	Oakley Union Elementary School District (KG - 08)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$103,334 (+2%) Land $67,409 Building $35,925
2025	$1,995.00 (+0.81%)	$101,309 (+4.04%) Land $66,088 Building $35,221
2023	$1,979.00 (+0.51%)	$97,377 Land $63,523 Building $33,854
2022	$1,969.00

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

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 X minimal risk
Nearest Special Flood Hazard Area	Zone A, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 in force
Nearby Flood Claims	1 (1998)
Most Recent Claim	Feb 1998 · Severe Winter Storms And Flooding

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	Low lower than 94% of the US · lower than 96% of California
Wildfire Likelihood	0.01% annual chance
Exposure	None beyond ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	DIABLO WATER DISTRICT serves 47,158 people · EPA ID CA0710007
Water Source	Purchased surface water from RANDALL-BOLD WATER TREATMENT PLANT
Last State Inspection	Jan 2024
Also Mapped Here	CONTRA COSTA WATER DISTRICT
Lead	2 ppb (2020–2022) 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 240 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
T-Mobile USA Fixed Wireless	100 / 20
AT&T DSL · Fiber, Fixed Wireless in parts of the area	100 / 20