Alameda County property record for 820 Contra Costa Ave, Berkeley, CA 94707
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 3 ba · 1,736 sqft · built 1940 |
| Lot Size | 0.131 acres (5,712 sqft) |
| Owner | Company Name on Record |
| Last Sale | $389,000 (Dec 2011) |
| Tax Bill | $12,279 (2025) |
| Deeds & Mortgages | Sep 2019 Transfer |
| Flood Zone | Zone X (minimal risk) |
| APN | 61-2575-17-1 |
| Primary APN | 61-2575-17-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 1,736 sqft Living Area |
| Year Built | Built 1940 |
|---|---|
| Effective Year Built | Effective 1940 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,712 sqft (0.131 acres) |
| Street Address | 820 CONTRA COSTA AVE |
|---|---|
| City | BERKELEY |
| State | CA |
| Zip | 94707-1920 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0017 AR: 0061 PAGE: 2575 |
| Legal Subdivision | THOUSAND OAKS COURT |
| Legal Block | 3 |
| Legal Lot Number | 16 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | BERKELEY |
| Census Block Group | 2 |
| Census Block | 2013 |
| Census Tract | 421200 |
Source: Alameda County records, as of August 5, 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 Record |
|---|---|
| Mailing Address | 820 CONTRA COSTA AVE, BERKELEY, CA 94707-1920 |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 21, 2011 · Amount on Record |
| Deed Sale | Dec 21, 2011 · Amount on Record |
| Deed Document Number | 2011372150 |
| Prior Transfer Date | Jan 17, 1997 |
| Prior Transfer Doc | 0000079714 |
| Record Updated | Oct 29, 2026 |
| Document Type | Quit Claim Deed |
|---|---|
| Jurisdiction | ALAMEDA CA |
| Recording Date | Sep 16, 2019 |
| Property Address | 820 CONTRA COSTA AVE, BERKELEY, CA 94707-1920 |
| Document Number | 0000184562 |
| Instrument Date | Sep 16, 2019 |
| Instrument | 184562 |
| Transaction Type | Transfer |
| Record Updated | Oct 9, 2019 |
| Title Company | NOT AVAILABLE |
| Tax | $0.00 |
|---|---|
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 820 CONTRA COSTA AVE BERKELEY CA 947071920, BERKELEY, CA 94707-1920 |
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Berkeley City |
| Unified School District | Berkeley Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $490,627 (+2%) Land $159,561 Building $331,066 | ||
| 2025 | $12,279.00 (+17.9%) | $481,009 (+4.04%) Land $156,433 Building $324,576 | |
| 2023 | $10,415.00 | $462,335 Land $150,360 Building $311,975 | $1,022,040 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
Source: FEMA National Flood Hazard Layer, effective May 25, 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 | 5 in force |
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 96% of the US · lower than 97.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% 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 922 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · Fixed Wireless, DSL in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 1,200 / 35 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: GeoLinks.
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