San Mateo County Seller Intelligence

Selling Your Home in Atherton

July 2026: median $12,125,000 · 108% of list received · 20 days to sell. What that means for your sale, and the number that matters for your home.

Median Sale
$12,125,000
July 2026 · 12 closings

Atherton single-family market, July 2026

Median Sale Price
$12,125,000
+26.6% vs. full-year 2025 median
Price Per Sq Ft
$2,393
Avg Days on Market
20
Sale vs List Price
108%
Homes Sold
12
Months of Inventory
0.8

Closed single-family MLS sales, July 2026. Source: SAMCAR/MLSListings.

What this market means for Atherton sellers

In July 2026, 12 single-family homes closed in Atherton at a median of $12,125,000, or $2,393 per square foot. Sellers collected 108% of their list price, and the average sale took 20 days.

That is a seller's market by any measure. Buyers in Atherton are competing, and homes that are prepared, priced, and marketed well are clearing above asking. The spread between a well-run sale and a passive one is widest in exactly these conditions.

Supply stays tight: Atherton carried 0.8 months of inventory in July 2026. Serious buyers have little to choose from, which is precisely the environment where a well-presented home commands its price.

For context, the July 2026 median sits 27% above the full-year 2025 median of $9,575,000.

A 5,750 sq ft single-family home, the Atherton average, typically sold between $12,797,000 and $14,723,000 in July 2026.

Computed from the month's median price per square foot. Your home's condition, upgrades, lot, and street move the real number. Lisa's free valuation pins it down within 24 hours.

Your Atherton Sale, Handled

The market sets the range. Preparation decides where you land in it.

Lisa manages the whole arc of a Atherton sale: pricing built from street-level comparables, pre-market preparation through the Home Refresh program, and negotiation when the offers arrive. One person, accountable for the result, from the first walkthrough to the wire transfer.

Watch: why some Peninsula homes sell in 13 days while others sit for 51

The preparation and pricing decisions behind the spread, from Lisa's Silicon Valley market films.

More Peninsula market films on Lisa’s YouTube channel.

Selling in Atherton: common questions

Straight answers from the current data. For anything specific to your property, call Lisa at (650) 668-1868.

What do homes sell for in Atherton?
The median single-family sale in Atherton was $12,125,000 in July 2026, at $2,393 per square foot. Across all of 2025, the median was $9,575,000. Individual homes range widely around the median depending on size, condition, and street.
How long does it take to sell a house in Atherton?
The average Atherton single-family sale took 20 days in July 2026. Well-prepared, correctly priced homes typically clear faster than the average; overpriced homes sit past it and often sell for less after a reduction.
Do homes in Atherton sell over asking?
Yes, on average. Atherton sellers collected 108% of list price in July 2026, which means the typical home sold at or above asking. Pricing to invite competition, rather than pricing at the ceiling, is what produces those results.
What does it cost to sell a home in Atherton?
The main costs are agent commissions (negotiable, and set in your listing agreement), county transfer tax, title and escrow fees, and any repairs or preparation you choose to invest in. The seller net sheet calculator on this site turns those into a single walk-away number for your price point.
When is the best time to list a home in Atherton?
Spring and early fall bring the most buyer activity on the Peninsula, but the best month depends on inventory: listing when few comparable homes are active often beats listing in the busiest season. The listing timing calculator on this site shows the historical pattern, and Lisa reads current inventory before recommending a date.
How do I find out what my home is actually worth?
Automated estimates miss condition, upgrades, lot, and street. Lisa prepares a free, confidential valuation for your specific property, drawing on closed sales, active competition, and off-market activity, within 24 hours. Request it at lisamlum.com/selling/home-valuation.
Last updated 2026-08-20 · By Lisa M. Lum, Realtor® · Coldwell Banker Realty · DRE 02005150