743 Diablo Rd, Danville, CA 94526 Property Records

Contra Costa County property record for 743 Diablo Rd, Danville, CA 94526

Property Summary

Property Type	Government / Public Use
Details	5,809 sqft · built 1951
Lot Size	0.91 acres (39,639 sqft)
Owner	Company Name on File
Tax Bill	$3,897 (2025)
Flood Zone	Zone AE (high risk)
APN	`202-020-001-6`

Property Details

APN / Parcel Number

Primary APN	`202-020-001-6`
Alternative APN	`202-020-001`

Interior

Total Rooms	1 Room
Stories	1 Story
Building Area	5,809 sqft Gross Area
1st Floor Area	5,809 sqft

Exterior

Year Built	Built 1951
Effective Year Built	Effective 1951
Exterior Material	Concrete Block
Roof Type	Gable
Roof Material	Composition Shingle
Lot Area	39,639 sqft (0.91 acres)

Utilities, Heating & Cooling

Cooling System	HVAC

Location & Zoning

Street Address	743 DIABLO RD
City	DANVILLE
State	CA
Zip	94526
Property Category	Public Works
Property Type	Public Works > Government / Public Use
Legal Description	POR SEC 21 T1S R1W
Legal Range	01W
Legal Township	01S
Legal Section	21
Jurisdiction	CONTRA COSTA CA
Township / Civil Division	CENTRAL CONTRA COSTA
Census Block Group	1
Census Block	1000
Census Tract	346204

Owner

Source: Contra Costa County records · APN 202-020-001-6

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	PO BOX 404, DANVILLE, CA 94526-0404
Owner Type	Company
Vesting	Joint Tenants

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	Danville Town
Unified School District	San Ramon Valley 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		$210,516 (+2%) Land $39,454 Building $171,062
2025	$3,897.00 (+6.16%)	$206,389 (+4.04%) Land $38,681 Building $167,708
2023	$3,671.00 (-0.43%)	$198,377 Land $37,180 Building $161,197
2022	$3,687.00

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 AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on Record median of 11 policies
Nearby Flood Policies	11 in force
Nearby Flood Claims	4 (1998–2023)
Claims Outside the SFHA	1 of 4
Most Recent Claim	Jan 2023 · Severe Winter Storms, Flooding, Landslides, And Mudslides
Claims by Event	Severe Winter Storms, Flooding, Landslides, And Mudslides, Jan 2023 · 2 claims

Wildfire

Wildfire Risk	Low lower than 67% of the US · lower than 81% of California
Wildfire Likelihood	0.02% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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
Unwired Fixed Wireless	300 / 25
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless · DSL	100 / 20

May also be available: Etheric Communications, LLC..

Based on FCC filings for 337 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	EAST BAY MUD serves 1,468,000 people
Water Source	Surface water
Last State Inspection	Dec 2021
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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. This system sells water to local utilities; the supplier billing this address may be one of them. The full violation and enforcement history is in the system's EPA record.