A breathtaking estate tucked away in prestigious Portola Valley situated on a private road off Arastradero in a serene and quaint neighborhood. This sprawling one-acre secluded lot is located in unincorporated Santa Clara County and connected to award winning Palo Alto schools. Main house features 6 bedrooms, 4.5 bathrooms and almost 4,500 square feet of expansive living space. An impressive grand foyer with vaulted ceilings leads to formal living and dining rooms. The expansive and inviting family room hosts wood beam ceilings, beautiful skylights enveloping the entire space with tons of natural light, built in shelving and a cozy fireplace. Perfectly appointed chef’s kitchen features stainless steel appliances, 6 burner gas stove, 2 pantries, oversized island with breakfast bar and an immense amount of cabinet space. Four generously sized bedrooms on the ground floor including 2 primary suites on opposite sides of the home. 2 more bedrooms upstairs with a loft. Unbelievable backyard with sparkling pool and separate pool house. Don’t miss the possible income producing ADU, offering potential for rental income or guest accommodations. Conveniently located near the iconic Alpine Inn, where you can enjoy casual dining and a relaxed atmosphere.
Single-familyProperty Type
1967Year Built
1 acresLot Size
$1,432Est. Price/Sq.Ft.
3 car garageParking
Listed by Steve Kehrig•DRE #01410377• Coldwell Banker
Listed by Stephanie Talyat•DRE #01896880• Coldwell Banker
Bought with Lori Burrows-warren•DRE #01963678• Compass
bridgeMLS, Bay East AOR, or Contra Costa AOR #41051948
Apr 12, 2024
Sold
$5,720,000
$1,279/sq ft
Mar 8, 2024
Pending
—
Mar 6, 2024
Listed
$5,595,000
$1,251/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41051906
Mar 6, 2024
Listing Removed
—
Mar 6, 2024
Listed
*
Public Records
Apr 3, 1989
Sold
$679,000
$152/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$70,790 (+38.4%)
$5,618,160 + $332,928
$5,951,088
2024
$51,140 (+192.0%)
$5,508,000 + $326,400
$5,834,400
2023
$17,514 (+1.2%)
$4,080,000 + $204,000
$4,284,000
2022
$17,306 (+2.1%)
$541,108 + $868,555
$1,409,663
2021
$16,949 (+2.1%)
$530,499 + $851,525
$1,382,024
2020
$16,602 (+1.2%)
$520,098 + $834,829
$1,354,927
2019
$16,402 (+2.8%)
$514,766 + $826,269
$1,341,035
2018
$15,955 (+1.9%)
$504,673 + $810,068
$1,314,741
2017
$15,665 (+2.8%)
$485,077 + $778,613
$1,263,690
2016
$15,236 (+1.2%)
$485,077 + $778,613
$1,263,690
2015
$15,062 (+2.5%)
$475,566 + $763,347
$1,238,913
2014
$14,700 (+1.8%)
$459,248 + $737,153
$1,196,401
2012
$14,439 (+6.4%)
$457,173 + $733,822
$1,190,995
2011
$13,568 (+0.1%)
$448,209 + $719,434
$1,167,643
2010
$13,553 (+0.3%)
$439,421 + $705,328
$1,144,749
2009
$13,514 (+5.2%)
$436,137 + $700,057
$1,136,194
2008
$12,843
$428,602 + $687,962
$1,116,564
Tax history for 4135 Alpine Rd
Year
Property tax
Land + Additions
Assessment*
2025
$70,790 (+38.4%)
$5,618,160 + $332,928
$5,951,088
2024
$51,140 (+192.0%)
$5,508,000 + $326,400
$5,834,400
2023
$17,514 (+1.2%)
$4,080,000 + $204,000
$4,284,000
2022
$17,306 (+2.1%)
$541,108 + $868,555
$1,409,663
2021
$16,949 (+2.1%)
$530,499 + $851,525
$1,382,024
2020
$16,602 (+1.2%)
$520,098 + $834,829
$1,354,927
2019
$16,402 (+2.8%)
$514,766 + $826,269
$1,341,035
2018
$15,955 (+1.9%)
$504,673 + $810,068
$1,314,741
2017
$15,665 (+2.8%)
$485,077 + $778,613
$1,263,690
2016
$15,236 (+1.2%)
$485,077 + $778,613
$1,263,690
2015
$15,062 (+2.5%)
$475,566 + $763,347
$1,238,913
2014
$14,700 (+1.8%)
$459,248 + $737,153
$1,196,401
2012
$14,439 (+6.4%)
$457,173 + $733,822
$1,190,995
2011
$13,568 (+0.1%)
$448,209 + $719,434
$1,167,643
2010
$13,553 (+0.3%)
$439,421 + $705,328
$1,144,749
2009
$13,514 (+5.2%)
$436,137 + $700,057
$1,136,194
2008
$12,843
$428,602 + $687,962
$1,116,564
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Permits
Beds
6
Baths
5
Stories
1
Lot width
—
Lot depth
—
Lot size
1 Acre
Year renovated
1967
Sq. Ft.
4,472
Year built
1967
Style
Single Family Residential
County
Santa Clara County
APN
18234046
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Aug 21, 2026.
Jul 25, 2024 • Final
Construction
Install a ductless mini-split system with air handlers on the left side yard and a ducted mini-split system with air handlers on the right side yard. Install a duct system with supplies and returns. Provide electrical service to both units.
Electrical
HVAC
May 24, 2024 • Final
Development permit request (building, grading, and drainage permit)
Install a ductless mini-split system with air handlers on the left side yard and a ducted mini-split system with air handlers on the right side yard. Install a duct system with supplies and returns. Provide electrical service to both units.
Electrical
HVAC
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2024. This data may not match public records. Learn more.