310 Old Spanish Trail Portola Valley, CA ^$ 3,765,000

310 Old Spanish Trail

^$ 3,765,000

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Recently Listed

310 Old Spanish Trail

Portola Valley, CA, 94028

^$ 3,765,000

Bedrooms3 Baths2.1 Sq 3,200

Monthly Estimate*

^$ 23,489

Listed by Terrace Associates

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Single Family Home for sale in Portola Valley, CA

for $3,765,000 with 3 bedrooms and 2 full baths, 1 half bath. This 3,200 square foot home was built in 2006 on a lot size of 1.0669.

This Custom House was built in 2005/06 and was originally designed as a 5br/4.5ba/FR/DR/LR/ and with the option to have an attached (with separate entrance) in-law unit (ADU) and an oversized 3 Car Garage of approximately 4,500sqft. on over one acre. Seller has also furnished another preliminary plan sited for a separate ADU at the lower portion of the lot that would need an additional approval from the appropriate authorities. Seller at "buyers option" will complete any of the unfinished areas '"upon mutual agreement" as to the finishes best suited for them. Pictures of the the unfinished Rooms have been "Virtually Staged"

Single Family Active

Price

^$ 3,765,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Lot Size

1.0669

Year Built

2006

Town/City

Portola Valley

County/Region

San Mateo

MLS | Web ID

ML81992906

Days on Market

145

Features

General

Living Area 3200

Sewer Engineered Septic

Heating Fireplace(s)

Cooling Central Air

Utilities Natural Gas Available

Roof Composition Shingle

Appliances Dishwasher Ice Maker Refrigerator Range Hood

Zoning R-1

Garage Spaces 3

Patio/Porch Features Deck

Architectural Style Ranch

Construction Materials Concrete Stucco Steel

Year Built 2006

View Canyon Hills Vineyard

Stories Count 1

Levels One

Property Subtype Single Family Residence

County San Mateo

New Construction false

Property Type Residential

HOA false

Attached Garage true

Garage Y/N true

Full Baths 2

Special Listing Conditions Standard

Status Active

Directions Alpine Road to Los Trancos to Ramona to Vista Verde to Old Spanish Trail Cross Street: Vista Verde

City Portola Valley

High School District Other

MLS Area 699 - Not Defined

Lot Size Units Square Feet

Lot Size Square Feet 46475

Elementary School Other

Property Attached Y/N false

Middle/Junior High School Other

Virtual Tour https://www.tourfactory.com/idxr2131545 https://www.tourfactory.com/2131545

Standard Status Active

Year Built Source Other

Property Sub Type Additional Single Family Residence

Interior

Interior Amenities Walk-In Closet(s)

Flooring Tile Wood

Fireplace Features Family Room Living Room

Total Stories 3

Common Walls No Common Walls

Air Conditioning Y/N true

Heating Y/N true

Window Features Bay Window(s)

Fireplace Y/N true

Half Baths 1

Laundry Features Gas Dryer Hookup

Total Bedrooms 3

Total Baths 3

Exterior

Fencing Wood

Parking Features Guest Off Street

Lot Features Corners Marked Sloped Down Secluded

Water Source Public

Total Parking 1

Lot Size Area 46475

Foundation Details Concrete Perimeter Pillar/Post/Pier

Lot Size Acres 1.0669

Lot Size Source Other

* Excluded Features

List By

Terrace Associates

Broker

timmckeegan@sbcglobal.net

Affordability Calculator

$23,489

Per Month

Monthly Principal & Interest: $23,489
Monthly Property Taxes: --
Monthly Home Insurance: --

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Yearly Home Insurance

Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Portola Valley, CA

Average List Price ^$5,058,082

Percent of Sale Price 34%

About Portola Valley, CA

4,610 Population

2% Since 2002

^$202,393 Median Income

54.01 Median Age

22% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

0 Elementary School

0 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
12/6/2025	$3,765,000	-3.19%	Price Down
11/29/2025	$3,888,888		Listed Price

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310 Old Spanish Trail, Portola Valley, CA, 94028 is a Single Family Home for sale at $3,765,000 with 3,200 sqft and a lot size of 1.0669. 310 Old Spanish Trail has 3 bedrooms, 2.1 baths, and was built in 2006. The property's zip code is 94028 which is in Portola Valley, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.375% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of the Internet Data Exchange Program of the California Regional Multiple Listing Service, Inc..

Based on information from California Regional Multiple Listing Service, Inc. as of 12/15/2025. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. Display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

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310 Old Spanish Trail

Single Family Home for sale in Portola Valley, CA

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