Contra Costa County property record for 18 Berkeley Ave, Orinda, CA 94563 · Last verified July 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,353 sqft · built 1949 |
| Lot Size | 0.238 acres (10,350 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $420,000 (Dec 2010) |
| Tax Bill | $8,181 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 264-063-018-8 |
| Primary APN | 264-063-018-8 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,353 sqft Living Area |
| 1st Floor Area | 1,353 sqft |
| Year Built | Built 1949 |
|---|---|
| Effective Year Built | Effective 1959 |
| Lot Area | 10,350 sqft (0.238 acres) |
| Heating System | Central |
|---|
| Street Address | 18 BERKELEY AVE |
|---|---|
| City | ORINDA |
| State | CA |
| Zip | 94563-2104 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ORINDA OAKS LOT 24 & POR LOT 23 BLK F |
| Legal Subdivision | ORINDA OAKS |
| Legal Block | F |
| Legal Lot Number | 24,23 |
| Jurisdiction | CONTRA COSTA CA |
| Township / Civil Division | CENTRAL CONTRA COSTA |
| Census Block Group | 1 |
| Census Block | 1009 |
| Census Tract | 354001 |
Source: Contra Costa County records · APN 264-063-018-8
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 | 18 BERKELEY AVE, ORINDA, CA 94563-2104 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Dec 08, 2010 · Amount on Record |
| Deed Sale | Dec 08, 2010 · Amount on Record |
| Prior Sale | Mar 09, 2010 · Amount on Record |
| Deed Document Number | 2010277908 |
| Prior Transfer Date | Mar 26, 2002 |
| Prior Transfer Doc | 0000111368 |
| Record Updated | Sep 20, 2026 |
Source: Contra Costa County records · Assessment roll updated July 14, 2026 · Last verified July 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) |
Assessed value is set for property tax purposes and is not a market price estimate.
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $548,841 (+2%) Land $457,373 Building $91,468 | |
| 2025 | $8,181.00 (+3.22%) | $538,080 (+4.04%) Land $448,405 Building $89,675 |
| 2023 | $7,926.00 (+4.98%) | $517,188 Land $430,994 Building $86,194 |
| 2022 | $7,550.00 |
Source: FEMA National Flood Hazard Layer, Contra Costa County (06013C), updated October 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 060133540011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 5 (1982–2005) |
| Claims Outside the SFHA | 3 of 5 |
| Most Recent Claim | Dec 2005, rainfall accumulation, Severe Storms, Flooding, Mudslides, And Landslides |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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, availability as of December 31, 2025 · Published October 2026 · based on 296 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| AT&T | Fiber | 5,000 / 5,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
May also be available at this address: Unwired, T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
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