Data as of September 2026. Source: Realtor.com.
The PORTOLA VALLEY, CA real estate market (94028) currently shows 19 active listings, with 2 pending sales. Homes are averaging 66 days on the market before going under contract.
Inventory has tightened compared to last year, with 16 fewer active listings — creating more competition among buyers.
Homes are selling faster, averaging 66 days on market compared to 120 days last year.
The median listing price has fallen 15.6% year-over-year, from $4,942,500 to $4,169,000.
Population: 6,888 · Density: 153.5/mi² · Median household income: $243,516
Typical home value: $2,000,000 · Homeownership: 83.2%
| Zip | City / State | Distance | Listings | Market Value | Median $ | Average $ |
|---|---|---|---|---|---|---|
| 94028 | Portola Valley, CA 94028 | 0.0 mi | 17 | $88,190,101 | $3,990,000 | $5,187,653 |
| 94305 | Stanford, CA 94305 | 3.6 mi | 2 | $1,576,000 | $788,000 | $788,000 |
| 94306 | Palo Alto, CA 94306 | 5.3 mi | 38 | $95,789,982 | $1,726,750 | $2,520,789 |
| 94027 | Atherton, CA 94027 | 5.5 mi | 10 | $177,830,650 | $12,925,000 | $17,783,065 |
| 94301 | Palo Alto, CA 94301 | 5.9 mi | 26 | $183,722,214 | $4,988,000 | $7,066,239 |
| 94020 | La Honda, CA 94020 | 6.2 mi | 4 | $8,760,332 | $2,182,500 | $2,190,083 |
| 94040 | Mountain View, CA 94040 | 6.9 mi | 33 | $66,291,192 | $1,523,472 | $2,008,824 |
| 94041 | Mountain View, CA 94041 | 7.5 mi | 12 | $37,533,600 | $3,154,000 | $3,127,800 |
| 94063 | Redwood City, CA 94063 | 8.2 mi | 10 | $13,324,250 | $1,313,250 | $1,332,425 |
| 95014 | Cupertino, CA 95014 | 8.6 mi | 47 | $141,656,637 | $2,763,500 | $3,013,971 |
| 94087 | Sunnyvale, CA 94087 | 9.7 mi | 46 | $98,932,706 | $1,726,500 | $2,150,711 |
| 94085 | Sunnyvale, CA 94085 | 10.7 mi | 37 | $51,522,833 | $1,498,000 | $1,392,509 |
| 94089 | Sunnyvale, CA 94089 | 11.1 mi | 19 | $28,164,460 | $1,454,237 | $1,482,340 |
As of September 2026, there are 19 active listings in PORTOLA VALLEY, CA (zip code 94028), compared to 35 the prior year.
The median listing price in PORTOLA VALLEY, CA 94028 is $4,169,000 as of September 2026, a 15.6% decrease from $4,942,500 the prior year.
Homes in PORTOLA VALLEY, CA 94028 spend an average of 66 days on the market before going under contract, compared to 120 days the prior year.
Based on current inventory and days-on-market data as of September 2026, PORTOLA VALLEY, CA 94028 is currently a Seller's Market. Inventory has tightened compared to last year, with 16 fewer active listings — creating more competition among buyers. Homes are selling faster, averaging 66 days on market compared to 120 days last year.
With SELL123.com's maximum 3% commission, sellers in PORTOLA VALLEY, CA 94028 save an estimated $83,380 compared to a typical 5% commission on the median listing price of $4,169,000. Our fee structure: 1% listing + 2% selling broker — no additional buyer or seller fees. Call (240) SELL-123 or email info@SELL123.com for a free consultation.