Alameda County property record for 1 Rosemont Ave, Berkeley, CA 94708
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 2,698 sqft · built 1937 |
| Lot Size | 0.287 acres (12,496 sqft) |
| Owner | Company Name on Record |
| Last Sale | $735,000 (Jul 1999) |
| Tax Bill | $21,618 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 63-3100-23 |
| Primary APN | 63-3100-23 |
|---|---|
| Alternative APN |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 2,698 sqft Living Area |
| Year Built | Built 1937 |
|---|---|
| Effective Year Built | Effective 1937 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 12,496 sqft (0.287 acres) |
| Street Address | 1 ROSEMONT AVE |
|---|---|
| City | BERKELEY |
| State | CA |
| Zip | 94708-1220 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00023 BLK: AR: 0063 PAGE: 3100 |
| Legal Subdivision | BERKELEY |
| Legal Block | 31 |
| Legal Lot Number | 89 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | BERKELEY |
| Census Block Group | 1 |
| Census Block | 1002 |
| Census Tract | 421100 |
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 | 1 ROSEMONT AVE, BERKELEY, CA 94708-1220 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 27, 1999 · Amount on Record |
| Deed Sale | Jul 27, 1999 · Amount on Record |
| Deed Document Number | 1999277028 |
| Last Transfer Date | Dec 20, 2012 |
| Transfer Doc | 0000428142 |
| Record Updated | Sep 20, 2026 |
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 | $1,144,573 (+1.38%) Land $345,503 Building $806,070 | ||
| 2025 | $21,618.00 (+14.42%) Homeowner's exemption | $1,128,998 (+4.04%) Land $338,730 Building $790,268 | |
| 2023 | $18,894.00 Homeowner's exemption | $1,085,165 Land $325,579 Building $759,586 | $2,286,360 |
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 | 1 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 64% of the US · lower than 79% of California |
|---|---|
| Wildfire Likelihood | 0.05% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 849 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 1,200 / 35 |
| Sonic Telecom Fiber | 1,000 / 1,000 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| AT&T DSL · Fiber, Fixed Wireless in parts of the area | 100 / 20 |
May also be available: GeoLinks, T-Mobile, Verizon.
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