OFF MARKET
Google street view image for 4145 Alpine Rd, Portola Valley, CA 94028
Off Market Sep 1988 for $625K
$4,457,790
Est. refi paymentEst. refi $4,035/mo
4
bd
•
3.5 ba
•
3,030
sq ft

4145 Alpine Rd, Portola Valley, CA 94028

map-entry

About this home

4145 Alpine Rd is a 3,030 square foot house on a 1.03 acre lot with 4 bedrooms and 3.5 bathrooms. - it last sold on September 02, 1988 for $625,000. Based on Redfin's Portola Valley data, we estimate the home's value is $4,457,790.
Single-familyProperty Type
1955Year Built
1.03 acresLot Size
$1,471Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records

Redfin Estimate

$4,457,790
$3.8M since sold in September 1988$26K since August

This home's estimate is 7.6% higher than the average sale price ($4.14M) of 4 comparable homes.

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Earn from this home

Sell
$4,222,756
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$4,803/mo
Redfin rental estimate

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Market trends in 94028, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price
98.4%

2.3% MoM

Median sale price
$3.9M

$144K MoM

Avg. days on market
34d

18 days MoM

Recently sold homes
24

1 MoM

New listings for sale

Provided by Redfin

Sale history for 4145 Alpine Rd

Tax history for 4145 Alpine Rd

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Property details

Around this home

Schools

Corte Madera School

Public 4-8 • Assigned • 0.8mi

10/10
Woodside High School

Public 9-12 • Assigned • 5.1mi

8/10
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

0.62% chance of being in a wildfire in next 30 years

3/10 Heat Factor

7 days above 94° expected this year, 14 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
$4.24M – $5.13M

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New listings for sale in 94028

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3D WALKTHROUGH
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Home values near 4145 Alpine Rd

Data from public records.

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