| Primary address | 345 Costello Drive, Los Altos |
| Zip code | 94024 |
| County | Santa Clara |
| Tract | 1378 |
| Parcel ID | 336-12-019 |
View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.
| Sale date | 01/12/2017 |
| Sale price | $3,100,000 |
| Arm's length | Register |
| Current property tax | $43,093 |
| Building class | Single Family (01) |
| Acreage | 0.469
|
| Zoning district | Single-Family (R1-20) |
| School district | 79015 |
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 $3,744,425, the tax amount paid for 345 Costello Drive, Los Altos, CA 94024 is $43,173.
When was 345 Costello Drive, Los Altos, CA 94024 last sold and what was the last sale price?345 Costello Drive, Los Altos, CA 94024 was last sold in 01/12/2017 for $3,100,000.
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 345 Costello Drive, Los Altos, including title documents, transfer conditions, mortgages and liens.
*Here are the three most recent sales for this property.
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 345 Costello Drive, Los Altos, CA 94024. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.
| Tax year: | 2025-2026 |
| Base tax | $43,173 |
| Current property tax | $43,093 |
| Market value | $3,744,425 |
Here's the assessment & property tax history for 345 Costello Drive, 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 | $3,744,425 | 1.153 | $43,173 | +3.59% |
| 2024-2025 | $3,671,006 | 1.1353 | $41,677 | +2.04% |
| 2023-2024 | $3,567,803 | 1.1448 | $40,844 | +1.73% |
| 2022-2023 | $3,465,985 | 1.1584 | $40,150 | -0.59% |
| 2021-2022 | $3,398,026 | 1.1886 | $40,389 | -0.83% |
The complete history of permits filed for 345 Costello Drive, 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 345 Costello Drive, 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) | D (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 345 Costello Drive, 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) |
|---|---|---|---|---|---|
| Ventana School | NR | Private | PK-5 | 137 | 0.28 |
| Ventana School | NR | Private | PK-5 | 137 | 0.28 |
| Creative Learning Center | NR | Private | K-7 | 0 | 0.29 |
| Heritage Academy | NR | Private | K-6 | 75 | 0.33 |
| Pinewood Private-Lower Campus School | NR | Private | K-2 | 122 | 0.36 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Creative Learning Center | NR | Private | K-7 | 0 | 0.29 |
| Los Altos Christian Schools | NR | Private | PK, K-8 | 189 | 0.42 |
| St. Nicholas Elementary School | NR | Private | K-8 | 250 | 0.43 |
| Lasd Virtual | NR | Public | K-8 | 418 | 0.65 |
| Lasd Preschool | NR | Public | 10 | 0.65 |
| Name | Rating | Type | Grade range | No of students | Distance to school (mi) |
|---|---|---|---|---|---|
| Lasd Preschool | NR | Public | 10 | 0.65 | |
| St. Francis High School | NR | Private | 9-12 | 1,776 | 1.29 |
| Waldorf School Of The Peninsula | NR | Private | PK-12 | 342 | 1.46 |
| Los Altos High School | 8 | Public | 9-12 | 2,141 | 1.64 |
| Creative Learning Center | NR | Private | K-12 | 46 | 1.95 |
Data provided by GreatSchools.org © 2025. All rights reserved.
Here are the neighbors for 345 Costello Drive, Los Altos.
| Address | Square feet | Purchase date | Purchase price |
|---|---|---|---|
| 288 Quinnhill Ave, Los Altos | 10/29/2003 | ||
| 24327 Summerhill Ave, Los Altos | 03/30/2020 | $6,348,000 | |
| 346 Costello Dr, Los Altos | 01/07/2003 | ||
| 1089 Valley View CT, Los Altos | 12/11/2023 | ||
| 419 Valley View Dr, Los Altos | 04/26/2017 | ||
| 24421 Summerhill Ave, Los Altos | 06/26/2006 | ||
| 401 Valley View Dr, Los Altos | |||
| 284 Quinnhill Ave, Los Altos | 10/14/2016 | $3,500,000 | |
| 496 Valley View Dr, Los Altos | 02/06/2013 | $1,950,000 | |
| 335 Costello Dr, Los Altos | 04/04/2017 | ||
| 1091 Valley View CT, Los Altos | 08/26/2025 | $3,800,000 | |
| 24285 Summerhill Ave, Los Altos | |||
| 411 Valley View Dr, Los Altos | 02/11/2025 | $4,500,000 | |
| 455 Valley View Dr, Los Altos | 05/30/2018 | $3,300,000 | |
| 476 Valley View Dr, Los Altos | 06/18/2002 | ||
| 286 Quinnhill Ave, Los Altos | |||
| 24401 Summerhill Ave, Los Altos | 05/28/2025 | $4,312,000 | |
| 1093 Valley View CT, Los Altos | 02/20/2020 | $3,300,000 | |
| 24299 Summerhill Ave, Los Altos | 07/07/2021 | ||
| 1092 Valley View CT, Los Altos | 09/20/2023 | $4,855,000 |