Santa Clara County  »  94028  »  Alpine Rd  »  4121 Alpine Rd

4121 Alpine Road, Portola Valley, CA 94028 Property Information

4121 Alpine Road, Portola Valley, CA 94028 Property Information

  • General
  • Owner
  • Documents
  • Tax
  • Permits
  • Neighborhood
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4121 Alpine Road, Portola Valley, CA 94028
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Address

Primary address 4121 Alpine Road, Portola Valley
Zip code 94028
County Santa Clara
Neighborhood Felt Lake
Parcel ID 182-34-029

Sales & Tax Overview for 4121 Alpine Road, Portola Valley

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

Sale date 04/05/2023
Sale price $4,200,000
Arm's length
Property tax $52,274

Lot & Building Information for 4121 Alpine Road, Portola Valley

Building class Single Family (01)
Acreage 2.357 i
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Zoning, Use & Area Overview

Walk Score
Transit Score
Bike Score


View more neighborhood information such as transportation, nearby schools and risk designations in the dedicated tab.

Other Property Data for 4121 Alpine Road, Portola Valley

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  • • Improvements for 4121 Alpine Road, Portola Valley , including their type, square footage, grade and when they were built.
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About 4121 Alpine Road, Portola Valley

What is the assessed value of 4121 Alpine Road, Portola Valley, CA 94028 and the property tax paid?

Assessed at $4,369,680, the tax amount paid for 4121 Alpine Road, Portola Valley, CA 94028 is $52,274.

When was 4121 Alpine Road, Portola Valley, CA 94028 last sold?

4121 Alpine Road, Portola Valley, CA 94028 was last sold in 03/19/2026.

Ownership Information

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Real Estate Reports:
Eliza Theiss, Apr 15, 2026 2026 Q1 Foreclosure Report: Brooklyn Filings Fall Sharply, Bronx & Staten Island Hit New Peaks
Behind a deceptively mild citywide downtick, borough foreclosure markets pulled into significantly diverging paths as Brooklyn cases were nearly halved and the Bronx hit a new, record high. Meanwhile, Queens remained unchanged, Staten Island surged back up and Manhattan cooled slowly.
Laura Pop-Badiu, Apr 09, 2026 How to Do a Title Search on Property Yourself: A Step-by-Step Online GuideĀ 
A property title search is the process of reviewing public records to confirm who legally owns a property and whether there are any liens, mortgages or legal claims attached to it. Explore our step-by-step guide explaining how you can perform a title search yourself. 
Laura Pop-Badiu, Mar 31, 2026 Property Owners Map: How to See Ownership Details and Parcel Lines
If you’re trying to find property owners by map, evaluate nearby parcels or understand how properties connect, a map-based approach makes the process faster, clearer and more intuitive.
Research 100M+ property records powered by:
  • 2000+ governmental and public data sources
  • 80 dedicated analysts and researchers
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Past Sales & Property History for 4121 Alpine Road, Portola Valley

Create a free account to view the complete sales history for 4121 Alpine Road, Portola Valley, including title documents, transfer conditions, mortgages and liens.

Purchase date Purchase price Buyer name Seller name
04/05/2023 $4,200,000

Title Documents for 4121 Alpine Road, Portola Valley

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Date Type Amount Party 1 Party 2 Maturity Document Doc image
12/05/2025 Grant Deed
04/13/2023 Reconveyance
Substitution Trustee
04/05/2023 Deed of Trust 05/01/2053
04/05/2023 Grant Deed
01/11/2022 Reconveyance
Substitution Trustee
03/23/2021 Deed of Trust 03/26/2046
05/18/2020 Agreement
11/19/2019 Deed of Trust 12/01/2049
05/06/2019 Reconveyance
Substitution Trustee
07/23/2012 Grant Deed
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R: Recorded date
D: Document date

Property Taxes for 4121 Alpine Road, Portola Valley

Access detailed property tax data for 4121 Alpine Road, Portola Valley, CA 94028. Tax information included: property tax, market value and assessed value, exemptions, abatements, and assessment history.

Tax year: 2025-2026
Property tax $52,274
Market value $4,369,680

Assessment History for 4121 Alpine Road, Portola Valley

Here's the assessment & property tax history for 4121 Alpine Road, Portola Valley, 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 $4,369,680 1.1963 $52,274 +4.37%
2024-2025 $4,284,000 1.1691 $50,084 +433.35%
2023-2024 $799,403 1.1747 $9,391 +1.14%
2022-2023 $783,730 1.1847 $9,285 +2.10%
2021-2022 $768,363 1.1836 $9,094 +2.21%

Permits for 4121 Alpine Road, Portola Valley

The complete history of permits filed for 4121 Alpine Road, Portola Valley, 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 4121 Alpine Road, Portola Valley, 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
Landslides and liquefaction map

Transportation

Access the detailed traffic volume map for 4121 Alpine Road, Portola Valley 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)
Woodland School NR Private PK-8 266 1.01
Woodland School NR Private PK-8 266 1.01
Creekside 21st Century Learning Lab NR Private 4-5 13 1.01
Corte Madera School 9 Public 4-8 273 1.16
Ormondale Elementary School NR Public K-3 240 1.30

Nearest middle schools

Name Rating Type Grade range No of students Distance to school (mi)
Woodland School NR Private PK-8 266 1.01
Woodside Priory NR Private 6-12 397 1.08
Corte Madera School 9 Public 4-8 273 1.16
Pinewood School Upper Campus NR Private K-12 612 2.90
Jubilee Academy NR Private 2-11 0 3.42

Nearest high schools

Name Rating Type Grade range No of students Distance to school (mi)
Woodside Priory NR Private 6-12 397 1.08
Pinewood School Upper Campus NR Private K-12 612 2.90
Jubilee Academy NR Private 2-11 0 3.42
Henry M. Gunn High School 9 Public 9-12 1,787 3.69
Stanford Online High School NR Private 7-12 545 3.69

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

Neighbors for 4121 Alpine Road, Portola Valley

Here are the neighbors for 4121 Alpine Road, Portola Valley.

Address Square feet Purchase date Purchase price
4125 Alpine Rd, Portola Valley 02/15/2022
5 Arastradero Rd, Portola Valley 10/21/2024 $5,741,000
6 Arastradero Rd, Portola Valley 04/21/2025 $6,900,000
4123 Alpine Rd, Portola Valley 01/27/2017
4133 Alpine Rd, Portola Valley 01/13/2022
22 Arastradero Rd, Portola Valley 08/27/2018
13 Arastradero Rd, Portola Valley 04/15/2016 $8,350,000
14 Arastradero Rd, Portola Valley 07/19/2013 $1,970,000
24 Arastradero Rd, Portola Valley 02/02/2021
11 Arastradero Rd, Portola Valley 01/08/1993
3909 Alpine Rd, Portola Valley 08/14/2015
4135 Alpine Rd, Portola Valley 04/12/2024 $5,720,000

Nearby ZIP Codes for 4121 Alpine Road, Portola Valley

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