Santa Clara County  »  421 College Ave

421 College Avenue, Palo Alto, CA 94306 Property Information

421 College Avenue, Palo Alto, CA 94306 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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421 College Avenue, Palo Alto, CA 94306
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Address

Primary address 421 College Avenue, Palo Alto
Alternate address(es) 429 College Ave
Zip code 94306
County Santa Clara
Neighborhood Evergreen Park
Parcel ID 124-32-025

Sales & Tax Overview for 421 College Avenue, Palo Alto

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

Sale date 08/29/1991
Sale price $550,000
Arm's length
Property tax $25,752

Lot & Building Information for 421 College Avenue, Palo Alto

Building sqft 4,481
Building class Five or More Family (04)
Acreage 0.15
Lot sqft 6,700
Units 5
Year built 1963
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 421 College Avenue, Palo Alto

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About 421 College Avenue, Palo Alto

What is the year built & the total sq. ft. for 421 College Avenue, Palo Alto, CA 94306?

421 College Avenue, Palo Alto, CA 94306 was built in 1963 and has a total of 4,481 square feet.

What is the assessed value of 421 College Avenue, Palo Alto, CA 94306 and the property tax paid?

Assessed at $2,143,649, the tax amount paid for 421 College Avenue, Palo Alto, CA 94306 is $25,751.

When was 421 College Avenue, Palo Alto, CA 94306 last sold?

421 College Avenue, Palo Alto, CA 94306 was last sold in 06/29/2009.

How many residential units does this building have?

This building has 5 residential unit(s).

Ownership Information

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Real Estate Reports:
Laura Pop-Badiu, May 21, 2026 How to Find Land Boundaries: Free & Paid Methods
If you need to find land boundaries fast, you can start with a free county parcel/GIS viewer or a premium platform like PropertyShark to see an approximate parcel outline and lot data. However, keep in mind that a web-based land boundaries map is a starting point, not the legal finish line.
Laura Pop-Badiu, May 07, 2026 Locked-In Owners, Mobile Renters: Homeowners Stay Put as Renters Move 3.7x More Across Largest U.S. Cities 
Renters became the primary drivers of long-distance mobility across the largest U.S. cities, moving 3.7 times more than owners in 2024, as high mortgage rates and housing costs kept many homeowners in place.
Eliza Theiss, Apr 23, 2026 $4.6M Hudson Yards Maintains Top Spot, Luxury Sales in Malba Set $2.5M Price Record for Queens
Despite prices declining, Hudson Yards remained the most expensive NYC neighborhood, but TriBeCa’s growth closed the gap to under $400,000, while Malba set a new historic price record for Queens at $2.5 million, securing the highest ranking ever for the borough at #5.
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Past Sales & Property History for 421 College Avenue, Palo Alto

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Purchase date Purchase price Buyer name Seller name
08/29/1991 $550,000

Title Documents for 421 College Avenue, Palo Alto

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
06/29/2009 Deed
04/12/2007 Deed
12/20/2006 Deed
10/03/2006 Deed
09/25/2003 Deed
09/25/2003 Deed
07/06/2001 Deed
08/29/1991 Deed
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R: Recorded date
D: Document date

Property Taxes for 421 College Avenue, Palo Alto

Access detailed property tax data for 421 College Avenue, Palo Alto, CA 94306. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $25,752
Market value $2,143,649

Assessment History for 421 College Avenue, Palo Alto

Here's the assessment & property tax history for 421 College Avenue, 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 $2,143,649 1.2013 $25,752 +4.35%
2024-2025 $2,101,617 1.1743 $24,679 +1.47%
2023-2024 $2,060,410 1.1804 $24,321 +1.13%
2022-2023 $2,020,010 1.1905 $24,048 +2.01%
2021-2022 $1,980,403 1.1904 $23,575 +2.17%

Permits for 421 College Avenue, Palo Alto

The complete history of permits filed for 421 College Avenue, 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
10/26/2023
09/22/2017
       
       
       
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Demographics by Zip Code

Total population 27,183
Median age 42.3
Average household income $287,065
Family households 66.6%
Occupied housing units 10,640
Owner occupied units 52.6%
Average number of people per household 2.55
Median year structure built 1963
Median value for units with a mortgage $2,000,001
Median value for units without a mortgage $2,000,001

Risk

Create a free account to unlock extended information for 421 College Avenue, Palo Alto, 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 421 College Avenue, Palo Alto 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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Neighbors for 421 College Avenue, Palo Alto

Here are the neighbors for 421 College Avenue, Palo Alto.

Address Square feet Purchase date Purchase price
2335 El Camino Real, Palo Alto 5,220 10/01/1998
351 Stanford Ave, Palo Alto 05/31/2013
450 Cambridge Ave, Palo Alto 9,167 06/04/2024 $9,350,000
323 Stanford Ave, Palo Alto 08/25/2010
2029 El Camino Real, Palo Alto 2,080 09/12/2001
315 Stanford Ave, Palo Alto 05/24/2012
2051 El Camino Real, Palo Alto 6,529 06/28/2013 $3,800,000
470 Cambridge Ave, Palo Alto
417 College Ave, Palo Alto 07/06/2005
397 College Ave, Palo Alto 7,460 05/11/2021
456 Cambridge Ave, Palo Alto 3,255 10/15/2024
2011 El Camino Real, Palo Alto 5,000 10/22/2010
2045 El Camino Real, Palo Alto 1,775 07/24/1998 $195,000
478 Oxford Ave, Palo Alto 5,388 04/11/2017
142 Park Ave, Palo Alto 10/29/2018
360 College Ave, Palo Alto 18,613 02/09/2021
430 Cambridge Ave, Palo Alto 5,750 12/18/2007
449 College Ave, Palo Alto 09/19/2012
2001 El Camino Real, Palo Alto 2,647 06/04/2004 $300,000
438 Cambridge Ave, Palo Alto 4,320 04/25/2022 $4,120,000

Nearby ZIP Codes for 421 College Avenue, Palo Alto

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