ZIP 94028, Portola Valley Housing Market · 2026

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

ZIP 94028, Portola Valley Market Snapshot

ZIP 94028 offers real opportunities for buyers, and the balance keeps tilting their way:

Based on 14 homes sold in March 2026. Includes all residential types (SFH, condo, townhouse, multi-family, and others). Updated weekly.

Data through March 2026

SalesWhat are homes selling for?
Median Sale Price
$4.82M
Up 10.7% from March 2025
Up $467K from March 2025
Homes Sold
14
Sold in the most recent month. More sales = more reliable data.
Your CostWhat would you actually pay each month?
Monthly Payment
~$29,634/mo
6.53% · 30yr fixed · 20% down
Payment Breakdown
  • Principal & Interest$24,433
  • Property Tax$5,018
  • Insurance$183
CompetitionHow competitive is it right now?
Days on Market
90.5 days
77 more days than in March 2025
Buyers have time to decide
Sale-to-List Ratio
95.8%
Down from 101.6% in March 2025
Selling 4% below asking
% Sold Over Asking
14%
Only 14% sold above asking. Few bidding wars right now
Active Listings
18
Down 21.7% from March 2025
About 1.3 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 10.7% year-over-year in 94028, Portola Valley. Based on 14 sales in the most recent month.
Homes Sold
8% more homes sold than a year ago in 94028, Portola Valley.
Total Monthly Payment
Estimated monthly cost is up 8% 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 6.53%. 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 buyer's market. Extended market times, price reductions, and motivated sellers give buyers strong negotiating leverage. Well-structured offers below asking can succeed here.

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

At $4.82M, ZIP 94028's median sits about 157% above the Bay Area average of $1.88M. ZIP 94028 is on the higher end of the regional market.

Within Portola Valley, this area trades about 26% below the city-wide median of $6.55M.

How competitive is ZIP 94028 for buyers?

ZIP 94028 is a buyer's market:

  • Homes sell about 4% below asking on average
  • 14% close above list price
  • 90.5 days typical time to go pending

Buyer strategy: well-structured offers below asking can succeed here.

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

At $4.82M with 20% down at 6.53%, your estimated total monthly cost is approximately $29,634:

  • $24,433 principal and interest
  • $5,018 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.”
See all reviews on Zillow

Let's Chat!

I read every message and usually reply the same day.

What brings you here?