ATTOM’s Property Reports include the ability to find and filter comps—including private sales— based on location, date, price, and and a range of property attributes.
Sign Up NowProperty Report for 4145 Alpine Rd, Portola Valley, CA 94028
Find Comparables
View Map Layers
Subscribe to unlock map layers including flood zones and tax parcels
Property Details
- Property Address 4145 Alpine Rd, Portola Valley, CA 94028
- County San Mateo
- Parcel ID 079-112-050
- Legal description 1.008 AC MOL ON SLY LN OF ALPINE RD LYING OPP LOT 11 BLK 1 OFALPINE HILLS PORTOLA VALLEY SCHOOL DIST
- School district Portola Valley Elementary School District
- Acreage 1.03
- Property class Single Family Residence
- Zoning Subscribe
- Square footage 3,030
- Year built 1955
- Bedrooms 4
- Bathrooms 4
About the Property
4145 Alpine Rd is a single family residence in the city of Portola Valley, CA 94028. Located in the Portola Valley Elementary School District, which resides in San Mateo County, CA and built in 1955. This Single Family Residence sits on a 44,876 sq ft lot and features 4 bedrooms, 4 bathrooms and 3,030 sq ft of living space.
The most recent property tax for 4145 Alpine Rd was $16,646. This property was last sold on October 07, 2014.
Property Info
Sign up to see full Property Info for 4145 Alpine Rd, Portola Valley
Flood
Legal
- 1.008 AC MOL ON SLY LN OF ALPINE RD LYING OPP LOT 11 BLK 1 OFALPINE HILLS PORTOLA VALLEY SCHOOL DIST
- Classification SINGLE FAMILY RESIDENCE
- County SAN MATEO
- FIPS 06081
- Civil Division SAN MATEO
- Census 060816132.002013
- Parcel ID 079-112-050
- Neighborhood JOSE ANTONIO MARTINEZ ESTATE
- Tract 0
- Secondary School District Sequoia Union High School District
- Primary School District Portola Valley Elementary School District
Ownership
Land
- Acres 1.03
- Square Feet 44,876
Building
- Units N/A
- Year Built 1955
- Effective Year Built 1974
- Stories 1
- # Fireplaces N/A
- Garage/Carport 530 sq.ft.
Utilities
- Cooling N/A
- Heating Central
Interior
- Square Footage
- Living Area 3,030
- Total Rooms 9
- Bedrooms 4
- Total Bathrooms 4
- Full Bathrooms 3
- Additional Rooms
- Family Room
Your Property Report will also include the following information:
How can you use ATTOM Property Reports?
Real Estate Agents
Power up your client responsiveness, productivity, and transaction speed with the most comprehensive data.
Investors
Make faster decisions based on extensive property information that includes purchasing, selling, listing, and mortgage data.
Appraisers
Comparative market analysis facilitates credible valuations that will move inventory and ease transactions.
Homeowners/buyers
Discover how much your home or prospective home is worth and compare to nearby houses
Try before you buy— examine our free sample report and all the rich data it contains.
Start Free TrialPortola Valley Residential Market Stats
Median Sale Price
$3,050,000
-7.2% YoY
Median Price/sq ft.
$1,054
San Mateo County Median Sale Price
$3,050,000
-7.2% YoY
See more Real Estate Trends for Portola Valley including home values, types of properties sold and transaction volumes.
Taxes and Assessments for 4145 Alpine Rd, Portola Valley
| Tax Year | Taxes | Tax Assesed Value | Exemptions |
|---|---|---|---|
| 2024 | $16,646 (+1.7%) | $1,348,372 (+2%) | |
| 2024 | $16,646 (+1.7%) | $1,375,338 (+4%) | |
| 2023 | $16,363 (+2.7%) | $1,321,934 (+2%) | |
| 2022 | |||
| 2021 | |||
| 2020 | |||
| 2019 |
Sales History for 4145 Alpine Rd, Portola Valley
The most recent sale on 4145 Alpine Rd took place on Sep 30, 2014 and recorded on Oct 07, 2014.
Sign up for full access to the complete sales history including potential flips, distressed sales and buyer and seller data.
| Sale Date | Recorded Date | Buyer(s) | Seller(s) | Price | Document ID |
|---|---|---|---|---|---|
Recently Sold Comparables
These are nearby recently sold properties that are similar to this property, base on available data.
| Address | Distance | SqFt | Sale Date | Price | $/SqFt |
|---|---|---|---|---|---|
| 1260 SHERMAN AVE | 4.08 mi | 2,750 | 08/14/2025 | $4,900,000 | $1,782 |
| 810 CAMBRIDGE AVE | 4.99 mi | 2,666 | 08/08/2025 | $2,750,000 | $1,032 |
| 19 SUSAN GALE CT | 3.87 mi | 2,700 | 08/07/2025 | $2,825,000 | $1,046 |
Our Property Reports contain multiple Automated Valuation Models showing low, median, and high values along with confidence scores.
Sign up to access
Sign up to access
Find the Most Accurate Comparables
Various data sets have been provided by a third party or government source and are subject to change and possible errors. Depending on location and source, data may be missing or not available. Information is deemed reliable but not guaranteed to be accurate, up-to-date, or complete. Buyers, investors, and others are responsible for verifying the accuracy of all information.