Portola Valley, CA Real Estate & Property Data

Portola Valley Real Estate Market Trends
Last Updated: September 20, 2025

It is crucial to have accurate and comprehensive real estate data to gain insights into the city of Portola Valley, CA 94028. ATTOM offers up to date Portola Valley real estate data that is refreshed daily. Current market trends reveal that in the past year, 86 residential properties have been sold in Portola Valley, CA, with a median home price of $4,300,000. The average square footage of these properties is 2,806 sq ft, and the effective property tax rate is 0.58%. Additionally, there have been 1 foreclosures in the area in the past month. ATTOM is your one-stop-shop for detailed property data in Portola Valley, CA, providing you with the real estate information you need.

Portola Valley Real Estate Market Trends
Total Residential Properties 2,364
Total Commercial Properties 37
Avg. Home Age (Single Family Home) 57 Years
Avg. Square Feet (Single Family Home) 2,806
Total 2025 Residential Sales (year-to-date) 45
% of Homes Seriously Underwater (Q3 2025) 0.55%
Total 2024 Residential Sales 81
% of Equity Rich Homes (Q3 2025) 56.37%
Effective 2024 Property Tax 0.58%
Total Foreclosure Filings (year-to-date) 4
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Portola Valley, CA 94028 Real Estate Overview

There were 86 residential properties sold in the past year in Portola Valley, CA 94028. The median home value in Portola Valley, CA 94028 is $4,250,000. There are a total of 2,364 residential properties in the 94028.

Median Sales Price i
$4,300,000
(Jul 2025)
+38.3%
year-over-year
y-o-y
  • July '25 Jul '25 $4,300,000
  • June '25 Jun '25 $3,050,000
  • May '25 May '25 $4,824,500
  • April '25 Apr '25 $2,450,000
  • March '25 Mar '25 $4,350,000
  • February '25 Feb '25 $2,500,000
  • January '25 Jan '25 $2,852,500
  • December '24 Dec '24 $3,865,000
  • November '24 Nov '24 $4,600,000
  • October '24 Oct '24 $3,375,000
  • September '24 Sep '24 $1,320,000
  • August '24 Aug '24 $3,850,000
Median Down Payment i
$3,020,000
(Jul 2025)
+23.7%
year-over-year
y-o-y
  • July '25 Jul '25 $3,020,000
  • June '25 Jun '25 $837,500
  • May '25 May '25 $1,447,374
  • April '25 Apr '25 $490,000
  • March '25 Mar '25 $1,350,000
  • February '25 Feb '25 $1,500,000
  • January '25 Jan '25 $1,860,000
  • December '24 Dec '24 $1,830,000
  • November '24 Nov '24 $5,000,000
  • October '24 Oct '24 $1,027,500
  • September '24 Sep '24 $2,700,000
  • August '24 Aug '24 $1,850,000
Number of Homes Sold i
3
(Jul 2025)
-57.1%
year-over-year
y-o-y
  • July '25 Jul '25 3
  • June '25 Jun '25 8
  • May '25 May '25 8
  • April '25 Apr '25 13
  • March '25 Mar '25 6
  • February '25 Feb '25 2
  • January '25 Jan '25 5
  • December '24 Dec '24 5
  • November '24 Nov '24 4
  • October '24 Oct '24 5
  • September '24 Sep '24 4
  • August '24 Aug '24 16
Number of Purchase Loans i
2
(Jul 2025)
-60%
year-over-year
y-o-y
  • July '25 Jul '25 2
  • June '25 Jun '25 4
  • May '25 May '25 3
  • April '25 Apr '25 7
  • March '25 Mar '25 3
  • February '25 Feb '25 2
  • January '25 Jan '25 5
  • December '24 Dec '24 6
  • November '24 Nov '24 4
  • October '24 Oct '24 5
  • September '24 Sep '24 3
  • August '24 Aug '24 8
Number of REFI Loans i
5
(Jul 2025)
+25%
year-over-year
y-o-y
  • July '25 Jul '25 5
  • June '25 Jun '25 4
  • May '25 May '25 7
  • April '25 Apr '25 5
  • March '25 Mar '25 3
  • February '25 Feb '25 6
  • January '25 Jan '25 4
  • December '24 Dec '24 5
  • November '24 Nov '24 10
  • October '24 Oct '24 13
  • September '24 Sep '24 5
  • August '24 Aug '24 6
Number of HELOC Loans i
1
(Jul 2025)
-50%
year-over-year
y-o-y
  • July '25 Jul '25 1
  • June '25 Jun '25 2
  • May '25 May '25 4
  • April '25 Apr '25 1
  • March '25 Mar '25 2
  • February '25 Feb '25 2
  • January '25 Jan '25 3
  • December '24 Dec '24 1
  • November '24 Nov '24 2
  • October '24 Oct '24 2
  • September '24 Sep '24 3
  • August '24 Aug '24 2

Portola Valley, CA 94028 Foreclosure Activity

There were a total of 1 Portola Valley, CA 94028 properties with a foreclosure filing in July 2025.

Total Foreclosure Filings i
1
(Jul 2025)
  • July '25 Jul '25 1
  • June '25 Jun '25 N/A
  • May '25 May '25 1
  • April '25 Apr '25 1
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 1
  • December '24 Dec '24 N/A
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
Foreclosure Starts i
1
(Jul 2025)
  • July '25 Jul '25 1
  • June '25 Jun '25 N/A
  • May '25 May '25 N/A
  • April '25 Apr '25 N/A
  • March '25 Mar '25 N/A
  • February '25 Feb '25 N/A
  • January '25 Jan '25 1
  • December '24 Dec '24 N/A
  • November '24 Nov '24 N/A
  • October '24 Oct '24 N/A
  • September '24 Sep '24 N/A
  • August '24 Aug '24 N/A
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