Westborough, South San Francisco Housing Market

Westborough, South San Francisco Market Snapshot

Westborough is one of the most competitive markets in the Bay Area, and it's still heating up. Here's what you need to know:

Based on 21 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
$1.27M
Up 12.4% from March 2025
Up $141K from March 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
~$7,825/mo
6.3% · 30yr fixed · 20% down
Payment Breakdown
  • Principal & Interest$6,314
  • Property Tax$1,328
  • Insurance$183
CompetitionHow competitive is it right now?
Days on Market
14 days
· Same as March 2025
Homes sell in a week or two
Sale-to-List Ratio
110.5%
Up from 106.7% in March 2025
Selling 11% above asking
% Sold Over Asking
81%
81% of homes sold above their asking price
Active Listings
13
Up 85.7% from March 2025
About 0.6 months of supply. Very low, limited options for buyers

Market Trends

See how prices, monthly costs, and mortgage rates have moved in Westborough.

Median Sale Price
Up 12.4% year-over-year in Westborough. Based on 21 sales in the most recent month.
Homes Sold
5% more homes sold than a year ago in Westborough.
Total Monthly Payment
Estimated monthly cost is up 10% from a year ago in Westborough, 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 6.3%. Your actual rate depends on your credit, down payment, and loan type.
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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