ZIP 94028, Portola Valley Housing Market · 2026

Data through May 2026 · Part of the Portola Valley housing market

ZIP 94028, Portola Valley Market Snapshot

ZIP 94028 is a balanced market and tilting gently toward buyers. A good environment for thoughtful decisions on both sides:

Based on 21 homes sold in May 2026. Includes all residential types (SFH, condo, townhouse, multi-family, and others). Updated weekly.

Data through May 2026

SalesWhat are homes selling for?
Median Sale Price
$4.60M
Up 9.5% from May 2025
Up $400K from May 2025
Homes Sold
21
Sold in the most recent month. More sales = more reliable data.
Your CostWhat would you actually pay each month?
Monthly Payment
~$28,356/mo
6.55% · 30yr fixed · 20% down
Payment Breakdown
  • Principal & Interest$23,381
  • Property Tax$4,792
  • Insurance$183
CompetitionHow competitive is it right now?
Days on Market
17 days
5 more days than in May 2025
Homes typically sell within a month
Sale-to-List Ratio
100.6%
Down from 101.9% in May 2025
Selling at or near asking price
% Sold Over Asking
48%
48% of homes sold above asking, some competition
Active Listings
14
Down 44.0% from May 2025
About 0.7 months of supply. Very low, limited options for buyers

Market Trends

See how prices, monthly costs, and mortgage rates have moved in 94028, Portola Valley.

Median Sale Price
Up 9.5% year-over-year in 94028, Portola Valley. Based on 21 sales in the most recent month.
Homes Sold
13% fewer homes sold than a year ago in 94028, Portola Valley.
Total Monthly Payment
Estimated monthly cost is up 6% from a year ago in 94028, Portola Valley, reflecting changes in both price and mortgage rates.

Includes principal, interest, estimated CA property tax (~1.25%), and estimated insurance (~$2,200/yr). HOA fees not included.

30-Year Fixed Mortgage Rate (National Avg.)
National average currently at 6.55%. Your actual rate depends on your credit, down payment, and loan type.

Frequently asked questions about ZIP 94028

Is now a good time to buy in ZIP 94028?

ZIP 94028 is a balanced market that is tilting gently toward buyers. Both sides have reasonable leverage, contingencies are more common, and there is time to make thoughtful decisions.

How do ZIP 94028 home prices compare to the Bay Area average?

At $4.60M, ZIP 94028's median sits about 148% above the Bay Area average of $1.85M. ZIP 94028 is on the higher end of the regional market.

Within Portola Valley, this area trades about 41% above the city-wide median of $3.26M.

How competitive is ZIP 94028 for buyers?

ZIP 94028 is a balanced market where neither side dominates:

  • Homes sell about 0.6% above asking on average
  • 48% close above list price
  • 17 days typical time to go pending

Buyer strategy: contingencies are more accepted, and there is time to tour and negotiate without extreme pressure.

What will my total monthly cost be on a median-priced ZIP 94028 home?

At $4.60M with 20% down at 6.55%, your estimated total monthly cost is approximately $28,356:

  • $23,381 principal and interest
  • $4,792 property tax (California 1.25% effective rate)
  • $183 homeowners insurance

HOA fees are extra.

No noise, just a quick weekly read on what's going on in your market.

Melanie Tan
Melanie Tan
DRE #02250755
“I help Bay Area buyers and sellers make confident moves with the latest market data, real local expertise, and the patience to find what's actually right for you, not the fastest close.”
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