Santa Clara County  »  94301  »  Cowper St  »  420 Cowper St

420 Cowper Street, Palo Alto, CA 94301 Property Information

420 Cowper Street, Palo Alto, CA 94301 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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420 Cowper Street, Palo Alto, CA 94301
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Address

Primary address 420 Cowper Street, Palo Alto
Alternate address(es) 430 Cowper St
Zip code 94301
County Santa Clara
Neighborhood Downtown North Palo Alto
Parcel ID 120-15-013

Sales & Tax Overview for 420 Cowper Street, Palo Alto

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Sale date 02/10/2010
Sale price $11,310,000
Arm's length
Property tax $175,380

Lot & Building Information for 420 Cowper Street, Palo Alto

Building sqft 18,564
Building class Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59)
Acreage 0.26
Lot sqft 11,502
Units 1
Year built 1952
Stories 2
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


Zoning district

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Other Property Data for 420 Cowper Street, Palo Alto

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About 420 Cowper Street, Palo Alto

How many sq. ft. does 420 Cowper Street, Palo Alto, CA 94301 have & what is the price per sq. ft?

This Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59) located at 420 Cowper Street, Palo Alto, CA 94301 has a total of 18,564 square feet and a current price per square foot of $609.

What is the year built & the current market value of 420 Cowper Street, Palo Alto, CA 94301?

420 Cowper Street, Palo Alto, CA 94301 was built in 1952 and has a current tax assessor's market value of $14,599,225.

How many commercial spaces does this building have?

This building has 1 commercial spaces available for lease.

Ownership Information

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Past Sales & Property History for 420 Cowper Street, Palo Alto

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Purchase date Purchase price Buyer name Seller name
02/10/2010 $11,310,000
01/20/1999 $161,500
01/20/1999 $121,500
       
       
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*Here are the three most recent sales for this property.


Title Documents for 420 Cowper Street, Palo Alto

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
02/10/2010 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
01/20/1999 Deed
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R: Recorded date
D: Document date

Property Taxes for 420 Cowper Street, Palo Alto

Access detailed property tax data for 420 Cowper Street, Palo Alto, CA 94301. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $175,380
Market value $14,599,225

Assessment History for 420 Cowper Street, Palo Alto

Here's the assessment & property tax history for 420 Cowper Street, Palo Alto, 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 $14,599,225 1.2013 $175,380 +4.35%
2024-2025 $14,312,967 1.1743 $168,077 +1.47%
2023-2024 $14,032,321 1.1804 $165,638 +1.13%
2022-2023 $13,757,179 1.1905 $163,779 +2.01%
2021-2022 $13,487,431 1.1904 $160,554 +2.17%

Permits for 420 Cowper Street, Palo Alto

The complete history of permits filed for 420 Cowper Street, Palo Alto, 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.

Issued Permit Type Status
11/14/2025
10/24/2025
10/08/2024
12/01/2023
05/11/2023
04/17/2023
09/12/2022
03/02/2022
04/17/2019
01/29/2019
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Demographics by Zip Code

Total population 17,508
Median age 46.7
Average household income $342,324
Family households 61.6%
Occupied housing units 7,167
Owner occupied units 53.0%
Average number of people per household 2.4
Median year structure built 1957
Median value for units with a mortgage $2,000,001
Median value for units without a mortgage $2,000,001

Risk

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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

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Neighbors for 420 Cowper Street, Palo Alto

Here are the neighbors for 420 Cowper Street, Palo Alto.

Address Square feet Purchase date Purchase price
440 Kipling St, Palo Alto 4,513 11/21/2016 $2,450,000
236 Cowper St, Palo Alto 06/15/2016
425 Waverley St, Palo Alto 08/14/2020
330 Lytton Ave, Palo Alto 6,975 12/12/2016
526 Waverley St, Palo Alto 8,700 07/26/2017 $9,027,000
428 University Ave, Palo Alto 18,856 06/27/2023
408 University Ave, Palo Alto 10,973 12/21/2006
374 University Ave, Palo Alto 2,375 08/11/2006
463 University Ave, Palo Alto 2,278 10/08/2021 $3,200,000
384 University Ave, Palo Alto 14,250 08/08/2022 $17,225,000
309 University Ave, Palo Alto 06/29/2005 $1,417,500
379 University Ave, Palo Alto 5,250 10/12/2022
211 Kipling St, Palo Alto 2,007 02/24/2026
499 University Ave, Palo Alto 16,393 12/28/2018
453 Waverley St, Palo Alto 500 02/16/1999 $440,000
375 Hamilton Ave, Palo Alto
313 Waverley St, Palo Alto 10/18/2018
431 Kipling St, Palo Alto 2,521
520 Cowper St, Palo Alto 63,620 06/30/2006
367 University Ave, Palo Alto 2,500 04/17/2023

Nearby ZIP Codes for 420 Cowper Street, Palo Alto

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