Santa Clara County property record for 172 Ada Ave, Apt 4, Mountain View, CA 94043
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2.5 ba · 1,288 sqft · built 1989 |
| Lot Size | 0.091 acres (3,969 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $680,000 (Jul 2005) |
| Tax Bill | $10,975 (2025) |
| Flood Zone | Zone X (reduced by levee) |
| APN | 160-41-004 |
| Primary APN | 160-41-004 |
|---|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,288 sqft Living Area |
| 1st Floor Area | 640 sqft |
| 2nd Floor Area | 648 sqft |
| Year Built | Built 1989 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | L-Shape |
| Construction Type | Wood |
| Lot Area | 3,969 sqft (0.091 acres) |
| Lot Dimensions | 63 ft deep x 63 ft wide |
| Garage Area | 300 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | None |
| Heating System | HVAC |
|---|
| Street Address | 172 ADA AVE, 4 |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94043-4913 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Local Zoning Code | R3-3* |
| Legal Description | TRACT 8242 |
| Legal Tract | 8242 |
| Legal Lot Number | 1 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 2 |
| Census Block | 2006 |
| Census Tract | 509109 |
172 Ada Ave, Apt 4 is owned and occupied by two individuals who bought it in July 2005.
Source: Santa Clara County records, as of July 27, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 172 ADA AVE, 4, MOUNTAIN VIEW, CA 94043-4913 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Community Property |
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 15, 2005 · Amount on File |
| Deed Sale | Jul 15, 2005 · Amount on File |
| Deed Document Number | 200518468739 |
| Prior Transfer Date | Jun 28, 2005 |
| Prior Transfer Doc | 0018468738 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 172 Ada Ave, Apt 4 was $10,975 with a homeowner's exemption.
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 | $947,494 (+2%) Land $473,919 Building $473,575 | |
| 2025 | $10,975.00 Homeowner's exemption | $928,917 Land $464,627 Building $464,290 |
| 2023 | $10,629.00 (+0.27%) Homeowner's exemption | $892,848 Land $446,586 Building $446,262 |
| 2022 | $10,600.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
FEMA maps place 172 Ada Ave, Apt 4 in Zone X, where a levee reduces 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 reduced by levee · depends on levee performance |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 7 (15% premium discount) |
| 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.
The area around 172 Ada Ave, Apt 4 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 | CITY OF MOUNTAIN VIEW serves 81,340 people · EPA ID CA4310007 |
|---|---|
| Water Source | Purchased surface water from several systems |
| Last State Inspection | Feb 2025 |
| Lead | Under 1 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. This system sells water to local utilities; the supplier billing this address may be one of them.
Source: FCC Broadband Data Collection, based on 679 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Xfinity Cable | 2,000 / 250 |
| 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: AT&T, GeoLinks, Sail Internet.
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