Alameda County property record for 42 Alta Ave, Piedmont, CA 94611
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,094 sqft · built 1950 |
| Lot Size | 0.126 acres (5,472 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,426,000 (Jul 2014) |
| Tax Bill | $26,475 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 50-4610-1-1 |
| Primary APN | 50-4610-1-1 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,094 sqft Living Area |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1950 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 5,472 sqft (0.126 acres) |
| Street Address | 42 ALTA AVE |
|---|---|
| City | PIEDMONT |
| State | CA |
| Zip | 94611-3402 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT: 00001 BLK: 0001 AR: 0050 PAGE: 4610 |
| Legal Subdivision | PIDMONT HLNDS |
| Legal Block | D |
| Legal Lot Number | 1 |
| Jurisdiction | ALAMEDA CA |
| Township / Civil Division | OAKLAND |
| Census Block Group | 1 |
| Census Block | 1010 |
| Census Tract | 426100 |
42 Alta Ave is owned and occupied by two individuals who bought it in July 2014.
Source: Alameda County records, as of August 5, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 42 ALTA AVE, PIEDMONT, CA 94611-3402 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 29, 2014 · Amount on File |
| Deed Sale | Jul 29, 2014 · Amount on File |
| Prior Sale | Jun 29, 2007 · Amount on File |
| Deed Document Number | 2014187142 |
| Prior Transfer Date | Jun 18, 2014 |
| Prior Transfer Doc | 0000187140 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 42 Alta Ave was $26,475.
Source: Alameda County assessment roll, as of August 5, 2026
| Type | Name |
|---|---|
| State | California |
| County | Alameda County |
| Municipality | Piedmont City |
| Unified School District | Piedmont City Unified School District (KG - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,748,047 (+2%) Land $524,414 Building $1,223,633 | ||
| 2025 | $26,475.00 | $1,713,780 Land $514,134 Building $1,199,646 | |
| 2023 | $25,137.00 | $1,647,243 Land $494,173 Building $1,153,070 | $2,180,880 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 42 Alta Ave in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 1995.
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 |
| Nearby Flood Claims | 1 (1995) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Mar 1995 · Severe Winter Storms, Flooding Landslides, Mud Flow |
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.
The area around 42 Alta Ave has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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 636 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Sonic Telecom Fiber | 10,000 / 10,000 |
| Xfinity Cable | 2,000 / 250 |
| Unwired Fixed Wireless | 300 / 25 |
| Etheric Networks Fixed Wireless | 250 / 100 |
May also be available: AT&T, GeoLinks, T-Mobile, Verizon.
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