263 Diane Ave, Pittsburg, CA 94565 Property Records

Contra Costa County property record for 263 Diane Ave, Pittsburg, CA 94565

Property Summary

Property Type	Retail Stores (Personal Services, Photography, Travel)
Details	4,800 sqft · built 1953
Lot Size	0.147 acres (6,400 sqft)
Owner	2 Individual Names on Record
Tax Bill	$3,385 (2025)
Flood Zone	Zone X (minimal risk)
APN	`073-182-004-9`

Property Details

APN / Parcel Number

Primary APN	`073-182-004-9`
Alternative APN	`073-182-004`

Interior

Total Rooms	1 Room
Stories	1 Story
Building Area	4,800 sqft Gross Area
1st Floor Area	4,800 sqft

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Lot Area	6,400 sqft (0.147 acres)

Location & Zoning

Street Address	263 DIANE AVE
City	PITTSBURG
State	CA
Zip	94565-4104
Property Category	Commercial
Property Type	Commercial > Retail > Retail Stores (Personal Services, Photography, Travel)
Legal Description	BILTMORE SUBN LOT 14
Legal Subdivision	BILTMORE SUB
Legal Lot Number	14
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	ANTIOCH-PITTSBURG
Census Block Group	1
Census Block	1001
Census Tract	312000

Owner

Source: Contra Costa County records, 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	2 Individual Names on Record
Mailing Address	271 DIANE AVE, PITTSBURG, CA 94565-4104
Owner Type	Individual
Vesting	Community Property

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Feb 21, 2025
Transfer Doc	0000017537
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	Pittsburg City
Unified School District	Pittsburg Unified School District (KG - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value
2026		$157,637 (+2%) Land $46,034 Building $111,603
2025	$3,385.00 (+3.9%)	$154,547 (+4.04%) Land $45,132 Building $109,415
2023	$3,258.00 (-0.79%)	$148,548 Land $43,381 Building $105,167
2022	$3,284.00

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 AO, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	2 in force
Nearby Flood Claims	4 (1982–1987)
Most Recent Claim	Jan 1987 · tidal / storm surge
Claims by Event	Severe Storms, Flood, Mudslides & High Tide, Jan 1982 · 2 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

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

Wildfire Risk	Not rated no wildfire likelihood modeled here

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 PITTSBURG serves 62,500 people · EPA ID CA0710008
Water Source	Purchased surface water from CONTRA COSTA WATER DISTRICT
Last State Inspection	Apr 2023
Lead	Under 1 ppb (2022–2024) 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 259 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
AT&T DSL · Fiber in parts of the area	100 / 20