Peter Cowperthwaite listing agent for 90 Hayfields Rd, Portola Valley, CA - sold for $3,945,000 — Sold $3,945,000

Peter Cowperthwaite buyer's agent for 200 Cherokee Way, Portola Valley, CA - sold for $4,750,000 — Sold $4,750,000

Peter Cowperthwaite listing agent for 56 Hillbrook Dr, Portola Valley, CA - sold for $9,495,000 — Sold $9,495,000

Peter Cowperthwaite buyer's agent for 140 Pinon Dr, Portola Valley, CA - sold for $7,485,000 — Sold $7,485,000

Peter Cowperthwaite listing agent for 50 Bear Gulch Dr, Portola Valley, CA - sold for $5,712,500 — Sold $5,712,500

Peter Cowperthwaite buyer's agent for 3039 Goodwin Ave, Redwood City, CA - sold for $2,110,000 — Sold $2,110,000

Peter Cowperthwaite

Portola Valley CA

Cowperthwaite & Company

20 Closed Sales

$127M Total Value

$3.9M - $12.1M Price Range

$6.3M Average Price

Prior 5 years

About Peter

Recently recognized by the Wall Street Journal as one of the top Realtors nationwide Peter brings a focused approach to Residential Real Estate Brokerage to provide his clients with superior results.

Home Types: House, MultiFamily

Years of Experience: 18

Education: Queen's University

Transaction History

1 Year
2 Year
5 Year

Seller Deals
Total Deals	8
Total Value	$48,709,500
Average Sale Price	$6,088,688
Price Range	$3.3M - $9.5M

Buyer Deals
Total Deals	1
Total Value	$4,750,000
Average Sale Price	$4,750,000

Seller Deals
Total Deals	14
Total Value	$97,245,500
Average Sale Price	$6,946,107
Price Range	$3.3M - $12.1M

Buyer Deals
Total Deals	3
Total Value	$14,345,000
Average Sale Price	$4,781,667
Price Range	$2.1M - $7.5M

Seller Deals
Total Deals	16
Total Value	$105,070,500
Average Sale Price	$6,566,906
Price Range	$2.8M - $12.1M

Buyer Deals
Total Deals	4
Total Value	$21,925,000
Average Sale Price	$5,481,250
Price Range	$2.1M - $7.6M

Neighborhoods Peter is Experienced In

Recently Sold

$3,945,000

Sold Jun 17, 2026
- 6 Beds
- 3.5 Baths
- 5,390 Sq Ft
90 Hayfields Rd

Portola Valley, CA
- 1% Below List
- $732/SF
- 41 Days On Market
- Current Est. Value $4M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$5,712,500

Sold Jun 10, 2026
- 5 Beds
- 4 Baths
- 3,718 Sq Ft
50 Bear Gulch Dr

Portola Valley, CA
- 11% Below List
- $1,536/SF
- 51 Days On Market
- Current Est. Value $6M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$9,495,000

Sold May 13, 2026
- 3 Beds
- 3.5 Baths
- 4,885 Sq Ft
56 Hillbrook Dr

Portola Valley, CA
- $1,944/SF
- 18 Days On Market
- Current Est. Value $8M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$4,100,000

Sold Oct 28, 2025
- 3 Beds
- 2.5 Baths
- 2,880 Sq Ft
289 Ramona Rd

Portola Valley, CA
- 8% Above List
- $1,424/SF
- 2 Days On Market
- Current Est. Value $4M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$6,950,000

Sold Oct 15, 2025
- 4 Beds
- 3 Baths
- 4,372 Sq Ft
15 Naranja Way

Portola Valley, CA
- 1% Below List
- $1,590/SF
- 11 Days On Market
- Current Est. Value $7M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$7,257,000

Sold Oct 1, 2025
- 4 Beds
- 3.5 Baths
- 3,169 Sq Ft
415 Cervantes Rd

Portola Valley, CA
- 4% Above List
- $2,290/SF
- 11 Days On Market
- Current Est. Value $7M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$3,250,000

Sold Sep 19, 2025
- 3 Beds
- 2 Baths
- 2,850 Sq Ft
9 Summit Rd

Woodside, CA
- 7% Below List
- $1,140/SF
- 116 Days On Market
- Current Est. Value $3M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$8,000,000

Sold Sep 9, 2025
- 5 Beds
- 3.5 Baths
- 4,645 Sq Ft
45 Bear Gulch Dr

Portola Valley, CA
- 11% Below List
- $1,722/SF
- 46 Days On Market
- Current Est. Value $8M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

$8,000,000

Sold May 29, 2025
- 5 Beds
- 3.5 Baths
- 4,110 Sq Ft
909 Westridge Dr

Portola Valley, CA
- 16% Above List
- $1,946/SF
- 13 Days On Market
- Current Est. Value $8M
Peter Cowperthwaite Golden Gate Sotheby's International Realty

Agent License: California 01012887

Peter Cowperthwaite

(650) 332-1311

Homes for Sale by City

Peter Cowperthwaite

About Peter

Transaction History

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Seller Deals

Buyer Deals

Neighborhoods Peter is Experienced In

Peter's Listings and Deals

Recently Sold