Santa Clara County property record for 457 Martens Ave, Mountain View, CA 94040
| Property Type | Single Family Home |
|---|---|
| Details | 5 bd · 3 ba · 3,277 sqft · built 1993 |
| Lot Size | 0.231 acres (10,080 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,720,000 (Jun 2008) |
| Tax Bill | $26,749 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 197-40-019 |
| Primary APN | 197-40-019 |
|---|
| Bedrooms | 5 Beds |
|---|---|
| Full Baths | 3 Baths |
| Total Rooms | 11 Rooms |
| Stories | 2 Stories |
| Building Area | 3,277 sqft Living Area |
| 1st Floor Area | 1,679 sqft |
| 2nd Floor Area | 1,598 sqft |
| Family Room | Family Room |
| Utility Room | Utility Room |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1993 |
|---|---|
| Effective Year Built | Effective 1993 |
| Architectural Style | H-Shape |
| Exterior Material | Stucco |
| Construction Type | Wood |
| Roof Material | Tile |
| Lot Area | 10,080 sqft (0.231 acres) |
| Garage Area | 650 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 457 MARTENS AVE |
|---|---|
| City | MOUNTAIN VIEW |
| State | CA |
| Zip | 94040-3273 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | R1-10 |
| Legal Description | TRACT 8166 BOOK 591 PAGE 10 PAGE 14 LOT 11 |
| Legal Tract | 8166 |
| Legal Lot Number | 11 |
| Jurisdiction | SANTA CLARA CA |
| Township / Civil Division | SAN JOSE |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 509902 |
Source: Santa Clara County records, as of July 27, 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 | 457 MARTENS AVE, MOUNTAIN VIEW, CA 94040-3273 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Vesting | Trust |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jun 18, 2008 · Amount on Record |
| Deed Sale | Jun 18, 2008 · Amount on Record |
| Prior Sale | Nov 5, 1993 · Amount on Record |
| Deed Document Number | 200819890581 |
| Last Transfer Date | May 7, 2013 |
| Transfer Doc | 0022217765 |
| Record Updated | Oct 29, 2026 |
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 | $2,304,423 (+2%) Land $1,843,545 Building $460,878 | |
| 2025 | $26,749.00 (+4.43%) Homeowner's exemption | $2,259,240 (+4.04%) Land $1,807,398 Building $451,842 |
| 2023 | $25,615.00 (+0.27%) Homeowner's exemption | $2,171,513 Land $1,737,215 Building $434,298 |
| 2022 | $25,546.00 |
Assessed value is set for property tax purposes and is not a market price estimate.
Source: FEMA National Flood Hazard Layer, effective January 18, 2026
| FEMA Flood Zone | Zone X moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone A, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 98% of the US · lower than 98.4% of California |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
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 |
| 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 473 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 |
May also be available: AT&T, GeoLinks, T-Mobile.
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