Santa Clara County property record for 1521 Alison Ave, Mountain View, CA 94040
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,178 sqft · built 1955 |
| Lot Size | 0.138 acres (6,000 sqft) |
| Owner | 2 Trust Names on File |
| Last Sale | $1,800,000 (Nov 2015) |
| Tax Bill | $25,025 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 193-09-038 |
| Primary APN | 193-09-038 |
|---|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,178 sqft Living Area |
| 1st Floor Area | 1,178 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1955 |
|---|---|
| Effective Year Built | Effective 1955 |
| Architectural Style | Custom Design |
| Construction Type | Wood |
| Lot Area | 6,000 sqft (0.138 acres) |
| Lot Dimensions | 100 ft deep x 60 ft wide |
| Garage Area | 460 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|
| Street Address | 1521 ALISON AVE |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94040-3013 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1 |
| Legal Description | TRACT 1428 BLOCK 3 4 5 BOOK 57 PAGE 38 PAGE 39 BLOCK 4 LOT 3 |
| Legal Tract | 1428 |
| Legal Block | 4 |
| Legal Lot Number | 3 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 2 |
| Census Block | 2005 |
| Census Tract | 509802 |
1521 Alison Ave is held in a trust since November 2015.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Trust Names on File |
|---|---|
| Mailing Address | 566 HAWTHORNE AVE, PALO ALTO, CA 94301-1211 |
| Owner Type | Company |
| Vesting | Trust |
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 | Nov 23, 2015 · Amount on File |
| Deed Sale | Nov 23, 2015 · Amount on File |
| Prior Sale | Aug 31, 2011 · Amount on File |
| Deed Document Number | 201552955 |
| Prior Transfer Date | Jan 24, 1997 |
| Prior Transfer Doc | 0013886146 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1521 Alison Ave was $25,025.
Source: Santa Clara County assessment roll, as of July 27, 2026
| Type | Name |
|---|---|
| State | California |
| County | Santa Clara County |
| Municipality | Mountain View City |
| Elementary School District | Mountain View Whisman Elementary School District (KG - 08) |
| Secondary School District | Mountain View-Los Altos Union School District (09 - 12) |
| Year | Tax Bill | Assessed Value |
|---|---|---|
| 2026 | $2,173,444 (+2%) Land $1,738,757 Building $434,687 | |
| 2025 | $25,025.00 | $2,130,828 Land $1,704,664 Building $426,164 |
| 2023 | $24,254.00 (+0.26%) | $2,048,087 Land $1,638,471 Building $409,616 |
| 2022 | $24,190.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 1521 Alison Ave in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective January 18, 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 |
| Community Rating System | Class 7 (15% premium discount) |
| 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.
The area around 1521 Alison 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 | CWSC LOS ALTOS SUBURBAN private · serves 63,559 people · EPA ID CA4310001 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Aug 2024 |
| Also Mapped Here | CITY OF MOUNTAIN VIEW |
| Lead | 2 ppb (2023–2025) 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.
Source: FCC Broadband Data Collection, based on 615 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| AT&T Fiber · DSL · Fixed Wireless in parts of the area | 5,000 / 5,000 |
| Xfinity Cable | 2,000 / 250 |
| Cruzio Fixed Wireless | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
| Etheric Networks Fixed Wireless | 250 / 100 |
| Ridge Wireless Fixed Wireless | 100 / 60 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Astound Broadband, GeoLinks.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures