4117 Alpine Rd is a 3,197 square foot house on a 3 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Portola Valley data, we estimate the home's value is $4,124,255.
Single-familyProperty Type
1950Year Built
3 acresLot Size
$1,290Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$4,124,255
$165K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.2% lower than the average sale price ($4.92M) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$13,512 (+4.2%)
$549,041 + $517,385
$1,066,426
2024
$12,969 (+1.6%)
$538,276 + $507,241
$1,045,517
2023
$12,771 (+1.2%)
$527,722 + $497,296
$1,025,018
2022
$12,615 (+2.1%)
$517,375 + $487,546
$1,004,921
2021
$12,355 (+2.0%)
$507,231 + $477,987
$985,218
2020
$12,107 (+1.2%)
$497,286 + $468,615
$965,901
2019
$11,960 (+2.7%)
$492,187 + $463,810
$955,997
2018
$11,641 (+1.9%)
$482,537 + $454,716
$937,253
2017
$11,429 (+2.8%)
$463,800 + $437,059
$900,859
2016
$11,114 (+1.2%)
$463,800 + $437,059
$900,859
2015
$10,985 (+2.7%)
$454,706 + $428,490
$883,196
2014
$10,693 (+1.8%)
$439,103 + $413,787
$852,890
2012
$10,503 (+6.4%)
$437,119 + $411,917
$849,036
2011
$9,873 (+0.1%)
$428,549 + $403,841
$832,390
2010
$9,861 (+0.6%)
$420,147 + $395,923
$816,070
2009
$9,805 (+5.1%)
$417,007 + $392,964
$809,971
2008
$9,327
$409,802 + $386,175
$795,977
Tax history for 4117 Alpine Rd
Year
Property tax
Land + Additions
Assessment*
2025
$13,512 (+4.2%)
$549,041 + $517,385
$1,066,426
2024
$12,969 (+1.6%)
$538,276 + $507,241
$1,045,517
2023
$12,771 (+1.2%)
$527,722 + $497,296
$1,025,018
2022
$12,615 (+2.1%)
$517,375 + $487,546
$1,004,921
2021
$12,355 (+2.0%)
$507,231 + $477,987
$985,218
2020
$12,107 (+1.2%)
$497,286 + $468,615
$965,901
2019
$11,960 (+2.7%)
$492,187 + $463,810
$955,997
2018
$11,641 (+1.9%)
$482,537 + $454,716
$937,253
2017
$11,429 (+2.8%)
$463,800 + $437,059
$900,859
2016
$11,114 (+1.2%)
$463,800 + $437,059
$900,859
2015
$10,985 (+2.7%)
$454,706 + $428,490
$883,196
2014
$10,693 (+1.8%)
$439,103 + $413,787
$852,890
2012
$10,503 (+6.4%)
$437,119 + $411,917
$849,036
2011
$9,873 (+0.1%)
$428,549 + $403,841
$832,390
2010
$9,861 (+0.6%)
$420,147 + $395,923
$816,070
2009
$9,805 (+5.1%)
$417,007 + $392,964
$809,971
2008
$9,327
$409,802 + $386,175
$795,977
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Dec 14, 2018 • Final
Construction
Perform a structural upgrade to an existing arbor.
Remodel
Dec 14, 2018 • Final
Construction
Install a photovoltaic system with arrays mounted on a trellis. The project includes one inverter and thirty solar panels.
Electrical
Solar
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 details
Interior
Room Information
# of Rooms: 9
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: H-Shape
Construction Type: Wood
Building Construction Quality: Good
Roof Framing Type: Wood
Pool Information
Pool Type: Pool/Spa
Has Pool
Property Information
Living Sq. Ft: 3,197
Ground Floor Sq. Ft: 2,863
Building Sq. Ft: 3,197
# of Stories: 1
Parking & Garage Information
Garage/Parking Sq. Ft: 528
Lot Information
# of Buildings: 1
Land Sq. Ft: 130,680
Municipality Name: PALO ALTO UNIFIED
Acres: 3
Zoning Code: HS
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: PALO ALTO UNIFIED
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,197
Stories: 1.0
Lot Size: 3 acres
Style: Single Family Residential
Year Built: 1950
Year Renovated: 1953
County: Santa Clara County
APN: 18236044
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Lucille M. Nixon Elementary School
Public K-5 • Assigned • 3.4mi
10/10
Ellen Fletcher Middle
Public 6-8 • Assigned • 4.2mi
9/10
Henry M. Gunn High School
Public 9-12 • Assigned • 3.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
3/10 Fire Factor
0.31% chance of being in a wildfire in next 30 years
2/10 Heat Factor
6 days above 94° expected this year, 10 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 12 days in 30 years
Provided by First Street
Historical weather
Portola Valley, CA • 94028
Average low and high temperatures (°F)
61
43
62
45
69
48
68
47
73
50
78
53
77
54
83
56
80
57
76
53
63
47
59
45
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.7 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.7 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.92M – $4.74M
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