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420 West Portola Avenue, Los Altos, CA 94022 Property Information

420 West Portola Avenue, Los Altos, CA 94022 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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420 West Portola Avenue, Los Altos, CA 94022
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Address

Primary address 420 West Portola Avenue, Los Altos
Zip code 94022
County Santa Clara
Tract 24
Neighborhood North Los Altos
Parcel ID 167-20-050

Sales & Tax Overview for 420 West Portola Avenue, Los Altos

View detailed information on past sales, title documents and property taxes, including the assessed market value, in their dedicated tabs.

Sale date 11/14/2025
Sale price $8,700,000
Arm's length
Property tax $54,191

Lot & Building Information for 420 West Portola Avenue, Los Altos

Building class Vacant Urban (69)
Acreage 0.464
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district Single-Family (R1-10)
School district 11001

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Other Property Data for 420 West Portola Avenue, Los Altos

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  • • Improvements for 420 West Portola Avenue, Los Altos , including their type, square footage, grade and when they were built.
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About 420 West Portola Avenue, Los Altos

What is the market value of 420 West Portola Avenue, Los Altos, CA 94022?

The current market value is $4,700,000.

Ownership Information

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Past Sales & Property History for 420 West Portola Avenue, Los Altos

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Purchase date Purchase price Buyer name Seller name
11/14/2025 $8,700,000
07/09/2024 $4,700,000
07/12/2001 $2,045,000
       
       
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*Here are the three most recent sales for this property.


Title Documents for 420 West Portola Avenue, Los Altos

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
11/14/2025 Deed of Trust 12/01/2055
11/14/2025 Grant Deed
11/07/2025 Notice of Completion
09/04/2025 Release
08/21/2025 Mechanics/Claim of Lien
06/17/2025 Reconveyance
Substitution Trustee
04/09/2025 Amendment/Modification Deed of Trust
04/09/2025 Grant Deed
03/28/2025 Agreement
Assignment of Rents and Leases
Construction Deed of Trust
Fixture Filing
02/27/2025 Reconveyance
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R: Recorded date
D: Document date

Property Taxes for 420 West Portola Avenue, Los Altos

Access detailed property tax data for 420 West Portola Avenue, Los Altos, CA 94022. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $54,191
Market value $4,700,000

Assessment History for 420 West Portola Avenue, Los Altos

Here's the assessment & property tax history for 420 West Portola Avenue, 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 $4,700,000 1.153 $54,191 +61.16%
2024-2025 $2,961,846 1.1353 $33,626 +1.15%
2023-2024 $2,903,771 1.1448 $33,242 +0.80%
2022-2023 $2,846,835 1.1584 $32,978 -0.59%
2021-2022 $2,791,015 1.1886 $33,174 -0.83%

Permits for 420 West Portola Avenue, Los Altos

The complete history of permits filed for 420 West Portola Avenue, 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.

Data not available for this property.

Risk

Create a free account to unlock extended information for 420 West Portola Avenue, 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
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 420 West Portola Avenue, Los Altos to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance to school (mi)
Santa Rita Elementary School 8 Public K-6 385 0.21
Bullis Charter School 8 Charter K-8 1,058 0.45
Bowman School NR Private K-8 268 0.50
Cornerstone Chinese Immersion School NR Private K-1 0 0.52
Juana Briones Elementary School 8 Public K-5 258 0.85

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Ardis G. Egan Junior High School 8 Public 7-8 497 0.30
Bullis Charter School 8 Charter K-8 1,058 0.45
Ellen Fletcher Middle 8 Public 6-8 515 0.50
Bowman School NR Private K-8 268 0.50
School For Independent Learners NR Private 8-12 18 0.56

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
School For Independent Learners NR Private 8-12 18 0.56
Henry M. Gunn High School 9 Public 9-12 1,787 0.66
Creative Learning Center NR Private K-12 46 0.86
Los Altos High School 8 Public 9-12 2,141 1.08
Pinewood School Upper Campus NR Private K-12 612 1.22

Data provided by GreatSchools.org © 2025. All rights reserved.

Neighbors for 420 West Portola Avenue, Los Altos

Here are the neighbors for 420 West Portola Avenue, Los Altos.

Address Square feet Purchase date Purchase price
536 Van Buren St, Los Altos 09/08/2023 $7,300,000
580 Van Buren St, Los Altos 08/15/2024
506 Van Buren St, Los Altos 11/06/2020
436 W Portola Ave, Los Altos 03/28/2001
755 Santa Rita Ave, Los Altos
840 Laverne Way, Los Altos 06/07/2013
494 W Portola Ave, Los Altos 06/17/2010
800 Dixon Way, Los Altos 12/08/2021
816 Santa Rita Ave, Los Altos 07/18/1997
472 W Portola Ave, Los Altos 07/19/2019 $5,750,000
836 Santa Rita Ave, Los Altos 05/18/1994
730 Santa Rita Ave, Los Altos 02/16/2023 $4,500,000
447 Van Buren St, Los Altos 12/13/2012
131 W Portola Ave, Los Altos 03/16/2012 $1,295,000
845 Laverne Way, Los Altos 10/28/2024
460 Van Buren St, Los Altos 11/01/1999
520 W Portola Ave, Los Altos 10/29/2014
517 Van Buren St, Los Altos 09/05/2003
184 Del Monte Ave, Los Altos 10/14/2010
507 Van Buren St, Los Altos 07/21/2021

Nearby ZIP Codes for 420 West Portola Avenue, Los Altos

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