Contra Costa County property record for 9 Tumbling Brook Rd, Orinda, CA 94563
| Property Type | Destroyed / Uninhabitable Vacant Land |
|---|---|
| Lot Size | 1.02 acres (44,866 sqft) |
| Owner | 2 Individual Names on Record |
| Tax Bill | $1,374 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 265-130-014-3 |
| Primary APN | 265-130-014-3 |
|---|---|
| Alternative APN |
|
| Lot Area | 44,866 sqft |
|---|
| Street Address | 9 TUMBLING BROOK RD |
|---|---|
| City | ORINDA |
| State | CA |
| Zip | 94563-2028 |
| Property Category | Vacant Land |
| Property Type | Vacant Land > Destroyed / Uninhabitable |
| Legal Description | POR ORINDA PARK TRACT |
| Legal Subdivision | ORINDA PARK |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 354001 |
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 | 3665 RALSTON AVE, HILLSBOROUGH, CA 94010-6733 |
| Owner Type | Individual |
| Vesting | Tenants in Common |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Sep 29, 1996 |
| Transfer Doc | 0000229713 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County assessment roll, as of July 14, 2026
| Type | Name |
|---|---|
| State | California |
| County | Contra Costa County |
| Municipality | Orinda City |
| Secondary School District | Acalanes Union High School District (09 - 12) |
| Elementary School District | Orinda Union Elementary School District (KG - 08) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $20,606 (+2%) Land $20,606 | |
| 2025 | $1,374.00 (+0.51%) | $20,202 (+4.04%) Land $20,202 |
| 2023 | $1,367.00 (+27.88%) | $19,418 Land $19,418 |
| 2022 | $1,069.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
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 |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2005) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Dec 2005 · Severe Storms, Flooding, Mudslides, And Landslides |
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: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 70% of the US · above 45% of California |
|---|---|
| Wildfire Likelihood | 0.3% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | EAST BAY MUD serves 1,468,000 people · EPA ID CA0110005 |
|---|---|
| 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, 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.
Source: FCC Broadband Data Collection, based on 76 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
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