Santa Clara County  »  3170 Porter Dr

3170 Porter Drive, Palo Alto, CA 94304 Property Information

3170 Porter Drive, Palo Alto, CA 94304 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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3170 Porter Drive, Palo Alto, CA 94304
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Address

Primary address 3170 Porter Drive, Palo Alto
Zip code 94304
County Santa Clara
Neighborhood Barron Park
Parcel ID 142-18-049

Sales & Tax Overview for 3170 Porter Drive, Palo Alto

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Sale date 08/12/2019
Sale price $26,000,000
Arm's length
Current property tax $1,107,192

Lot & Building Information for 3170 Porter Drive, Palo Alto

Building sqft 94,696
Building class Offices, High-Rise Office Buildings, Banks and Clinics (Category Also Includes Parking for Existing Office Buildings) (59)
Acreage 4.67
Lot sqft 203,600
Units 1
Year built 1999
Stories 2
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Zoning, Use & Area Overview

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Transit Score
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Zoning district

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Other Property Data for 3170 Porter Drive, Palo Alto

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  • • Improvements for 3170 Porter Drive, Palo Alto , including their type, square footage, grade and when they were built.
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About 3170 Porter Drive, Palo Alto

How many sq. ft. does 3170 Porter Drive, Palo Alto, CA 94304 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 3170 Porter Drive, Palo Alto, CA 94304 has a total of 94,696 square feet and a current price per square foot of $274.

What is the year built & the current market value of 3170 Porter Drive, Palo Alto, CA 94304?

3170 Porter Drive, Palo Alto, CA 94304 was built in 1999 and has a current tax assessor's market value of $108,520,168.

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 3170 Porter Drive, Palo Alto

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Purchase date Purchase price Buyer name Seller name
08/12/2019 $26,000,000

Title Documents for 3170 Porter Drive, Palo Alto

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
05/21/2021 Notice Non Responsibility
08/21/2020 Notice Non Responsibility
09/20/2019 Notice Non Responsibility
08/12/2019 Grant Deed
08/12/2019 Lease
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R: Recorded date
D: Document date

Property Taxes for 3170 Porter Drive, Palo Alto

Access detailed property tax data for 3170 Porter Drive, Palo Alto, CA 94304. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Base tax $1,303,653
Current property tax $1,107,192
Market value $108,520,168

Assessment History for 3170 Porter Drive, Palo Alto

Here's the assessment & property tax history for 3170 Porter Drive, 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 $108,520,168 1.2013 $1,303,653 +4.35%
2024-2025 $106,392,323 1.1743 $1,249,365 +1.47%
2023-2024 $104,306,200 1.1804 $1,231,230 +3.63%
2022-2023 $99,800,197 1.1905 $1,188,121 +4.44%
2021-2022 $95,564,900 1.1904 $1,137,605 +2.17%

Permits for 3170 Porter Drive, Palo Alto

The complete history of permits filed for 3170 Porter Drive, 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
01/06/2026
12/23/2025
05/09/2025
04/14/2025
03/27/2025
02/24/2025
01/09/2024
06/06/2023
02/01/2023
12/20/2022
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Demographics by Zip Code

Total population 5,000
Median age 38.6
Average household income $254,369
Family households 55.4%
Occupied housing units 2,218
Owner occupied units 23.2%
Average number of people per household 2.15
Median year structure built 1996
Median value for units with a mortgage $2,000,001
Median value for units without a mortgage $1,694,400

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 3170 Porter Drive, Palo Alto

Here are the neighbors for 3170 Porter Drive, Palo Alto.

Address Square feet Purchase date Purchase price
2410 Amherst St, Palo Alto
1575 California Ave, Palo Alto 04/30/2025 $2,450,000
1620 Bowdoin Pl, Palo Alto
1640 Bowdoin Pl, Palo Alto
3127 El Camino Real, Palo Alto 7,525 09/02/2021
2400 Amherst St, Palo Alto 07/12/2023 $2,000,000
1555 California Ave, Palo Alto 07/02/2025 $2,350,000
827 Chimalus Dr, Palo Alto 08/15/2023
3880 Magnolia Dr, Palo Alto 10/12/2021
3160 Porter Dr, Palo Alto 99,415 01/10/2019 $100,250,000
1635 California Ave, Palo Alto
1615 California Ave, Palo Alto
3251 Hanover St, Palo Alto 82,120
750 Arastradero Rd, Palo Alto
831 Chimalus Dr, Palo Alto 09/09/2022 $4,047,500
3878 Magnolia Dr, Palo Alto 05/03/2018 $4,100,000
1600 Bowdoin Pl, Palo Alto
3203 Hanover St, Palo Alto 191,036
760 Arastradero Rd, Palo Alto
3200 Park Blvd, Palo Alto 240,056

Nearby ZIP Codes for 3170 Porter Drive, Palo Alto

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