Real Estate Data API

94028 Portola Valley

42 active listings out of 2.6K total properties we track in ZIP 94028 (Portola Valley, CA) — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.

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Active
42
Median
$4.77M
-38.3%
Sold Sep
4
+100.0%
Tracked
2.6K

Download Portola Valley 94028 property data

2,611 property records for ZIP 94028 — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.

Download free · as of Oct 2026

Monthly snapshot · 384 KB Parquet · CSV (479 KB)

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Zoomed out

While you're here, take in the bigger picture — maps below show San Francisco Bay Area metro, not just 94028. Same company, same dataset, different resolution.

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Over the past 12 months, ZIP 94028 has recorded 68 home sales. In September 2026 there were4 sales (+100.0% vs the prior month). Most recent median sale price: $6M.

Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68
Get this data →

Right now, 42 homes are actively for sale in ZIP 94028. Median list price is $4.77M at $1451/sqft. Hover each hex for micro-neighborhood stats (median price, $/sqft, top property type).

Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68
Get this data →
Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68
Get this data →
Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68
Get this data →
Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68
Get this data →
Key Numbers
Tracked
2.6K
Active
42
Median list
$4.77M
Sales (12mo)
68

Inventory breakdown

Distribution of the 42 currently-active listings in ZIP 94028. Full dataset covers 2.6K properties — listings, off-market homes, rentals, and full history.

Active by price range
Under $300K 0 (0%)
$300K–$500K 1 (2.4%)
$500K–$750K 0 (0%)
$750K–$1M 2 (4.8%)
$1M–$2M 1 (2.4%)
$2M+ 38 (90.5%)
Active by bedroom count
Studio/1 bd 2
2 bd 3
3 bd 8
4 bd 12
5+ bd 14
Active by property type
Single Family 38 (90.5%)
Lot 3 (7.1%)
Other 1 (2.4%)
For Developers

Get Portola Valley 94028 data in your app

curl
request
GET https://api.straply.com/v1/markets/zip/94028
Authorization: Bearer $STRAPLY_KEY
200 OK response
{
  "zip": "94028",
  "total_tracked": 2617,
  "active": 42,
  "median_list": 4772500
}

ZIP 94028 · Portola Valley, CA real estate: market summary

As of November 2026, Straply tracks 2,617 homes in ZIP 94028 (Portola Valley, CA), with 42 active for sale at a median list price of $4,772,500 (~$1,451/sq ft). Notably, the market is cooling — the median sale price is down 38% year over year.

Median list price
$4,772,500
Median $/sq ft
$1,451
Active listings
42
Median sale price
$6,000,000 (-38% YoY)
Properties tracked
2,617

Frequently asked: ZIP 94028 · Portola Valley, CA real estate

What is the median home price in ZIP 94028?

The median list price in ZIP 94028 (Portola Valley, CA) is $4,772,500 (about $1,451 per square foot), based on 42 active listings tracked by Straply as of November 2026.

What price range are homes in ZIP 94028?

Active listings in ZIP 94028 (Portola Valley, CA) concentrate in: 90% $2m+ and 5% $750k–$1m.

Are home prices in ZIP 94028 going up or down?

The median sale price is $6,000,000, down 38% year over year. Straply tracked 68 sales here over the past 12 months.

How many homes are for sale in ZIP 94028?

Straply is tracking 42 active listings in ZIP 94028 (Portola Valley, CA) out of 2,617 properties on record as of November 2026.

How old are the homes in ZIP 94028?

Most homes in ZIP 94028 (Portola Valley, CA) were built in the 1950s. About 26% were built after 1980, while 6% predate 1940. The newest tracked home dates to 2026.

What types of homes are in ZIP 94028?

ZIP 94028 (Portola Valley, CA) is mostly single-family homes (90% of listings). Also common: lots / land 7%.

How many bedrooms do homes in ZIP 94028 typically have?

The most common size in ZIP 94028 (Portola Valley, CA) is 5+ bd.

What areas are near ZIP 94028?

Nearby markets Straply also tracks include Palo Alto 94304, Stanford 94305, Los Altos 94022, Palo Alto 94306.

Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.