Contra Costa County property record for 866 Diablo Rd, Danville, CA 94526
| Property Type | Commercial |
|---|---|
| Details | built 1958 |
| Lot Size | 0.354 acres (15,400 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $708 (2025) |
| Deeds & Mortgages | Dec 2022 Mortgage Nov 2022 Mortgage |
| Flood Zone | Zone AE (high risk) |
| APN | 196-290-018-7 |
| Primary APN | 196-290-018-7 |
|---|---|
| Alternative APN |
|
| Year Built | Built 1958 |
|---|---|
| Effective Year Built | Effective 1958 |
| Lot Area | 15,400 sqft (0.354 acres) |
| Street Address | 866 DIABLO RD |
|---|---|
| City | DANVILLE |
| State | CA |
| Zip | 94526 |
| Property Category | Commercial |
| Property Type | Commercial > Retail |
| Legal Description | PARCEL MAP 1 PG 44 PCL B |
| Legal Tract | 1PM44 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 346206 |
Source: Contra Costa County records · APN 196-290-018-7
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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 866 DIABLO RD, DANVILLE, CA 94526 |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Dec 30, 2022 | Intrafamily Transfer, Transfer · Conventional Mortgage SIERRA PACIFIC MORTGAGE CO INC |
| Nov 04, 2022 | Intrafamily Transfer, Transfer · Seller Carry-Back GARILYNN BILLINGSLEY |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Transfer Date | Nov 01, 2022 |
| Transfer Doc | 0000170499 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Dec 30, 2022 |
| Property Address | 866 DIABLO RD, DANVILLE, CA 94526 |
| Document Number | 0000189656 |
| Map Reference | MB 1 PG 44 |
| Instrument Date | Dec 22, 2022 |
| Instrument | 2022-189656 |
| Transaction Type | Transfer |
| Record Updated | Jan 09, 2023 |
| Title Company | CHICAGO TITLE COMPANY |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants |
| Address | 868 DIABLO RD, DANVILLE, CA 94526-2760 |
| Document Number | 0000189657 |
|---|---|
| Date | Dec 30, 2022 |
| Instrument | 2022-189657 |
| Name | SIERRA PACIFIC MORTGAGE CO INC |
|---|---|
| Type | Mortgage Company |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 361 Months |
| Due | Jan 01, 2053 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Nov 04, 2022 |
| Property Address | 866 DIABLO RD, DANVILLE, CA 94526 |
| Document Number | 0000170499 |
| Map Reference | MB 1 PG 44 |
| Instrument Date | Oct 26, 2022 |
| Instrument | 2022-170499 |
| Transaction Type | Transfer |
| Record Updated | Nov 14, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 868 DIABLO RD, DANVILLE, CA 94526-2760 |
| Document Number | 0000170498 |
|---|---|
| Date | Nov 04, 2022 |
| Instrument | 2022-170498 |
| Name | GARILYNN BILLINGSLEY |
|---|---|
| Type | Seller |
| Type | Seller Carry-Back |
|---|---|
| Amount | Amount Recorded |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Danville Town |
| Unified School District | San Ramon Valley Unified School District (KG - 12) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $37,530 (+2%) Land $27,674 Building $9,856 | |
| 2025 | $708.00 (+6.63%) | $36,795 (+4.03%) Land $27,132 Building $9,663 |
| 2023 | $664.00 (-2%) | $35,368 Land $26,079 Building $9,289 |
| 2022 | $830.00 |
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
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 17 policies |
| Nearby Flood Policies | 17 in force |
| Wildfire Risk | Low lower than 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Direct burnable vegetation at the parcel |
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.
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 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless · DSL | 100 / 20 |
May also be available: Etheric Communications, LLC..
Based on FCC filings for 273 locations within half a mile of this property.
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 |
| 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.
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