Contra Costa County property record for 40 Dos Posos, Orinda, CA 94563
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 3 ba · 2,953 sqft · built 1951 |
| Lot Size | 0.861 acres (37,500 sqft) |
| Owner | 2 Company Names on Record |
| Tax Bill | $4,408 (2025) |
| Deeds & Mortgages | Jul 2022 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 262-102-020-1 |
| Primary APN | 262-102-020-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 9 Rooms |
| Stories | 1 Story |
| Building Area | 2,953 sqft Living Area |
| 1st Floor Area | 2,953 sqft |
| Year Built | Built 1951 |
|---|---|
| Effective Year Built | Effective 1965 |
| Lot Area | 37,500 sqft (0.861 acres) |
| Garage Type | Attached |
| Garage Area | 615 sqft |
| Parking Spaces | 2 Parking Spaces |
| Street Address | 40 DOS POSOS |
|---|---|
| City | ORINDA |
| State | CA |
| Zip | 94563-1801 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | HACIENDAS DEL ORINDA #2 LOT 303&POR 302 |
| Legal Subdivision | HACIENDAS DEL ORIND |
| Legal Lot Number | 303 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 3 |
| Census Block | 3014 |
| Census Tract | 354002 |
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 Company Names on Record |
|---|---|
| Mailing Address | 1845 DEL REY ST, LAFAYETTE, CA 94549-1910 |
| Owner Type | Company |
| Vesting | Life Tenant |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Transfer Date | Dec 16, 2024 |
| Transfer Doc | 0000136657 |
| Record Updated | Sep 20, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | CONTRA COSTA CA |
| Recording Date | Jul 7, 2022 |
| Property Address | 40 DOS POSOS, ORINDA, CA 94563-1801 |
| Document Number | 0000109946 |
| Map Reference | MB 19 PG 460 |
| Instrument Date | May 26, 2022 |
| Instrument | 2022-109946 |
| Transaction Type | Transfer |
| Record Updated | Nov 3, 2022 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | Transfer Tax Exempt |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 40 DOS POSOS, ORINDA, CA 94563-1801 |
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 | $265,302 (+31.81%) Land $74,997 Building $190,305 | |
| 2025 | $4,408.00 (+3.3%) | $201,277 (+4.04%) Land $73,527 Building $127,750 |
| 2023 | $4,267.00 (+8.38%) | $193,464 Land $70,673 Building $122,791 |
| 2022 | $3,937.00 |
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 |
|---|---|
| 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 | 11 (1982–2021) |
| Claims Outside the SFHA | 3 of 11 |
| Most Recent Claim | Oct 2021 · rainfall accumulation |
| Claims by Event |
|
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 | Low lower than 94% of the US · lower than 96% of California |
|---|---|
| Wildfire Likelihood | 0.02% annual chance |
| Exposure | None beyond ember reach |
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 264 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 |
| Verizon Fixed Wireless | 300 / 20 |
May also be available: Etheric Networks, Unwired.
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