4107 Alpine Rd is a 5,134 square foot house on a 1.04 acre lot with 3 bedrooms and 4 bathrooms. - it last sold on January 23, 1996 for $850,000. Based on Redfin's Portola Valley data, we estimate the home's value is $6,583,456.
Single-familyProperty Type
2008Year Built
1.04 acresLot Size
$1,282Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$6,583,456
$5.7M since sold in January 1996$348K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 7.6% higher than the average sale price ($6.12M) of 5 comparable homes.
*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
Construct an addition to the building including bedrooms, bathrooms, and a stairway.
Addition
Dec 14, 2018 • Final
Construction
Construct a two-story turret addition and a master bedroom addition. Work includes a front porch, interior remodeling, and re-roofing a residential building.
Addition
Remodel
Roofing
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
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: H-Shape
Construction Type: Wood
Building Construction Quality: Good
Roof Framing Type: Wood
Property Information
Living Sq. Ft: 5,134
Ground Floor Sq. Ft: 3,295
Building Sq. Ft: 5,134
# of Stories: 2
Legal Description: LOT 3
Parking & Garage Information
Garage/Parking Sq. Ft: 483
Lot Information
# of Buildings: 1
Land Sq. Ft: 45,302
Legal Lot Number: 3
Municipality Name: PALO ALTO UNIFIED
Acres: 1.04
Zoning Code: HS
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: PALO ALTO UNIFIED
Public facts
Beds: 3
Baths: 4.0
Sq. Ft.: 5,134
Stories: 2.0
Lot Size: 1.04 acres
Style: Single Family Residential
Year Built: 2008
Year Renovated: 2008
County: Santa Clara County
APN: 18234044
Home facts updated by county records on Aug 21, 2026
Around this home
Schools
Lucille M. Nixon Elementary School
Public K-5 • Assigned • 3.3mi
10/10
Ellen Fletcher Middle
Public 6-8 • Assigned • 4.1mi
9/10
Henry M. Gunn High School
Public 9-12 • Assigned • 3.8mi
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
3/10 Heat Factor
7 days above 94° expected this year, 13 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)
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43
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47
73
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53
77
54
83
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80
57
76
53
63
47
59
45
Jan
Feb
Mar
Apr
May
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Aug
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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
$6.26M – $7.57M
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