| Primary address | 27478 Black Mountain Road, Los Altos |
| Zip code | 94022 |
| County | Santa Clara |
| Tract | 4180 |
| Parcel ID | 182-11-065 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Current property tax | $9,598 |
| Building class | Single Family (01) |
| Acreage | 1.737 |
| Zoning district | Residential (R) |
View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.
Property reports include comprehensive occupancy, improvement and development information (where available).
Create a free account to access valuable data points such as:
Assessed at $808,006, the tax amount paid for 27478 Black Mountain Road, Los Altos, CA 94022 is $9,682.
When was 27478 Black Mountain Road, Los Altos, CA 94022 last sold?27478 Black Mountain Road, Los Altos, CA 94022 was last sold in 07/14/2016.
View detailed property contacts like owners, building management, representatives from permits and tenants with a free account.
Create a free account to view the complete sales history for 27478 Black Mountain Road, Los Altos, including title documents, transfer conditions, mortgages and liens.
To view the complete history of deeds, mortgages, assignments of leases and rents, and more, sign up for free. Available data goes back to 1966.
R: Recorded date
D: Document date
Access detailed property tax data for 27478 Black Mountain Road, Los Altos, CA 94022. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $9,682 |
| Current property tax | $9,598 |
| Market value | $808,006 |
Here's the assessment & property tax history for 27478 Black Mountain Road, Los Altos, including the evolution of the total tax rate and corresponding property tax.
| Year | Assessment value | Total tax rate | Property tax | Year over year change |
|---|---|---|---|---|
| 2025-2026 | $808,006 | 1.1983 | $9,682 | +4.37% |
| 2024-2025 | $792,164 | 1.1711 | $9,277 | +1.26% |
| 2023-2024 | $776,632 | 1.1797 | $9,162 | +0.80% |
| 2022-2023 | $761,405 | 1.1937 | $9,089 | +2.01% |
| 2021-2022 | $746,477 | 1.1936 | $8,910 | +2.20% |
The complete history of permits filed for 27478 Black Mountain Road, Los Altos, including new construction or demolition permits, plus any work pertaining to plumbing, heating and sprinkler systems is available with a free account. Available data goes back to 1990.
Create a free account to unlock extended information for 27478 Black Mountain Road, Los Altos, including whether it's located in FEMA flood zones, floodways or special flood hazard areas, as well as the Coastal barriers resources system area (COBRA).
| FEMA flood zone(s) | 0.2 (See more on map) |
| Fire hazard zone | See more on map |
| Faults and tsunami inundation zone map | Register |
| Landslides and liquefaction map | Register |
Access the detailed traffic volume map for 27478 Black Mountain Road, Los Altos to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.
| View daily traffic map |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Pinewood School Upper Campus | NR | Private | K-12 | 612 | 1.55 |
| Gardner Bullis Elementary School | 8 | Public | K-6 | 259 | 1.64 |
| St. Nicholas Elementary School | NR | Private | K-8 | 250 | 2.14 |
| Cornerstone Chinese Immersion School | NR | Private | K-1 | 0 | 2.36 |
| Heritage Academy | NR | Private | K-6 | 75 | 2.42 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Pinewood School Upper Campus | NR | Private | K-12 | 612 | 1.55 |
| St. Nicholas Elementary School | NR | Private | K-8 | 250 | 2.14 |
| Lasd Virtual | NR | Public | K-8 | 418 | 2.58 |
| Lasd Preschool | NR | Public | 10 | 2.58 | |
| Creative Learning Center | NR | Private | K-7 | 0 | 2.77 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Pinewood School Upper Campus | NR | Private | K-12 | 612 | 1.55 |
| Lasd Preschool | NR | Public | 10 | 2.58 | |
| Henry M. Gunn High School | 9 | Public | 9-12 | 1,787 | 2.63 |
| Los Altos High School | 8 | Public | 9-12 | 2,141 | 2.76 |
| Creative Learning Center | NR | Private | K-12 | 46 | 2.89 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 27478 Black Mountain Road, Los Altos.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 12374 Melody Ln, Los Altos | 08/17/2020 | $3,675,000 | |
| 27872 Via Corita Way, Los Altos | 09/26/2019 | ||
| 27868 Via Corita Way, Los Altos | 09/04/2003 | ||
| 27864 Via Corita Way, Los Altos | 05/25/1990 | $2,380,000 | |
| 27100 Elena Rd, Los Altos | 02/09/2021 | ||
| 27664 Vogue CT, Los Altos | 07/15/1994 | $875,000 | |
| 27142 Elena Rd, Los Altos | 12/01/2003 | ||
| 12386 Melody Ln, Los Altos | 07/10/2024 | ||
| 27470 Black Mountain Rd, Los Altos | 06/10/2022 | $19,000,000 | |
| 27860 Via Corita Way, Los Altos | 05/02/2016 | $4,398,000 | |
| 27198 Elena Rd, Los Altos | 01/11/2012 | ||
| 26645 Laurel Ln, Los Altos | 05/12/2023 | $5,600,000 | |
| 26327 Esperanza Dr, Los Altos | 08/20/2024 | ||
| 27462 Sunrise Farm Rd, Los Altos | 02/19/2019 | ||
| 27466 Sunrise Farm Rd, Los Altos | 09/25/2020 | $7,770,000 | |
| 27866 Via Corita Way, Los Altos | 03/15/2023 | $7,700,000 | |
| 26641 Laurel Ln, Los Altos | 07/20/2016 | ||
| 27642 Vogue CT, Los Altos | 12/15/2003 | ||
| 27862 Via Corita Way, Los Altos | 09/20/2021 | ||
| 27696 Vogue CT, Los Altos | 06/17/2025 | $5,700,000 |