DRE# 02439552 · Keller Williams Peninsula Estates
San Mateo County · Mid-Peninsula

San Mateo.

The Peninsula’s most walkable downtown, and housing stock to fit almost any buyer.
Median Sale Price
$2.1M
Avg Days on Market
26 days
Sale vs. List
109.5%
Homes Sold
32
About San Mateo

A Peninsula city built on quiet good taste.

San Mateo sits at the center of the Peninsula — the largest city in San Mateo County at over 100,000 residents. The Baywood and Aragon neighborhoods deliver classic Mediterranean homes on tree-lined streets; Hayward Park and Park Place sit walkable to downtown B Street; Beresford and Sugarloaf climb west toward the hills.

What makes San Mateo specific: it has the size and variety of housing stock to fit almost any buyer — Baywood elegance, Aragon family homes, Hayward Park downtown adjacency — and the walkable B Street downtown that most Peninsula cities can't match. Buyers who tour San Mateo alongside Burlingame often find the same charm at meaningfully better prices.

Market Snapshot

The numbers behind San Mateo.

August 2026, from the KW Advisors San Mateo County market report: single-family supply, the condo and townhome market, and the countywide benchmark.

Single-Family Supply
1.0
Months of inventory at the August sales pace
Seller's market
Condo / Townhome Median
$840K
19 condo and townhome sales in August
Condo Sale vs. List
101.6%
Condo and townhome median
Over list
Condo Days on Market
55
Average, condos and townhomes
Condo Supply
3.8
Months of inventory, condos and townhomes
County Benchmark
106.9%
San Mateo County single-family sale vs. list · 25 days on market
"San Mateo single-family homes closed at 109.5% of list on 32 sales, with about a month of inventory. Condos and townhomes had the deepest sample in my eight-city August report — 19 sales — and still closed slightly over list, but averaged 55 days with 3.8 months of supply."

Source: MLS Listings Inc., InfoSparks and Trend Graphix via KW Advisors Peninsula Estates — single-family homes, condos and townhomes closed in August 2026. Sale counts are small, so the median reflects which homes happened to close that month; sale-to-list and days on market are the steadier signals. Deemed reliable but not guaranteed. Ask Elaine for a property-specific analysis.

Why People Stay

What makes San Mateo itself.

Eight local details can change how you evaluate a San Mateo home. Here are four.

01

Price per square foot is local

A renovated ranch on a quiet street can command a higher price per square foot than a newer home nearby. Lot, layout, condition, and micro-location often matter more than the citywide average. Compare the right comps, not the city.

02

One address, two school districts

San Mateo-Foster City School District serves elementary and middle school students; San Mateo Union High School District serves high school. One address sits in two districts, so verify both boundaries.

03

Downtown changes the math

Living near Caltrain, restaurants, and daily services can reduce a household’s need for a second car. That materially changes the monthly cost comparison between a downtown condo and a more car-dependent home.

04

Flight noise is block-specific

Two streets in the same neighborhood can experience very different aircraft noise. Wind and flight patterns change, so one quiet open house is not enough — listen at more than one time of day.

Schools

Among the strongest on the Peninsula.

San Mateo sits in two strong districts: the San Mateo-Foster City Elementary School District for K-8, and the San Mateo Union High School District for 9-12.

For families relocating, the question isn't whether San Mateo schools are good — it's which specific attendance zone matches your home search. I can walk you through the differences before we tour homes.

Before you tour
Check the address
School assignment follows the address, not the city. I confirm each home's attendance zone with the district.

Baywood Elementary

Public · K-5 · Baywood
Public

College Park Elementary

Public · K-5 · San Mateo
Public

Borel Middle School

Public · 6-8 · San Mateo
Public

Aragon High School

Public · 9-12 · San Mateo
Public

Junípero Serra High School

Private · Boys 9-12 · San Mateo
Private
Location

Right in the middle of the Peninsula.

San Mateo sits at the geographic center of the Peninsula — about 19 miles south of San Francisco and about 14 miles north of Palo Alto. Three Caltrain stops (Hayward Park, San Mateo, Hillsdale) serve the city; 101, 92, and 280 all run through it.

  • ✦~28 min to downtown SF (Caltrain)
  • ✦~22 min to Stanford / Palo Alto
  • ✦~10 min to SFO Airport
  • ✦5 min to Burlingame & Foster City
Why I Know San Mateo

I work this specific market — every day.

I preview homes in person before I recommend them, and I pay attention to which streets feel different at 8 a.m. school drop-off vs. 6 p.m. commute. That on-the-ground knowledge is what separates a buyer who pays median from a buyer who pays $80,000 under list.

  • ✦Deep San Mateo comp data. Twelve months of sales analysis on every offer — Bay-view premium, school zone adjustments, hillside vs. flat.
  • ✦Bilingual representation. Every conversation, disclosure, and negotiation in English or Mandarin — whichever is clearest for you.
  • ✦Honest advice. If a San Mateo home isn't right for your situation, I'll tell you. Even if it costs me the deal.
From The Peninsula Letter

Writing about San Mateo and the Peninsula

Read The Peninsula Letter →

San Mateo · Free Consultation

Ready to talk about your move to San Mateo?

Whether you're buying, selling, or just exploring the market — let's have a focused 15-minute conversation about your specific goals and what's actually possible in San Mateo right now.

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