The median sale price of a single-family home in San Mateo County was $2,200,000 in October 2026, up 10.0 percent from October 2025. The average was $2,788,243. MLSListings counted 337 single-family closings for a total of $939,638,040, a median of 11 days on market, and a sale-to-list ratio of 108 percent.Source: MLSListings county market statistics, San Mateo County, data period October 2026, retrieved November 4, 2026.The county had 457 active single-family listings, 409 new listings and 202 pending sales in the period, which works out to 1.5 months of inventory. The median price per square foot was $1,196 and the average days on market was 21.Condos and townhomes in the county had a median sale price of $894,500 on 92 closings. Median days on market was 21, the sale-to-list ratio was 101 percent, and there were 241 active listings, or 2.7 months of inventory.Source: same MLSListings county report.Here is how the mid-Peninsula towns read for single-family homes in October, from the MLSListings city reports. Median sale price, change from a year earlier, closings, median days on market, sale-to-list ratio, months of inventory.Atherton: $7,655,000, down 41.1 percent, 8 closings, 8 days, 112 percent, 2.5 months. Total volume $76,184,000.Menlo Park: $3,250,000, up 10.0 percent, 25 closings, 12 days, 104 percent, 1.4 months. Total volume $109,339,000.Burlingame: $3,510,000, up 20.9 percent, 23 closings, 11 days, 109 percent, 0.7 months. Total volume $83,745,888.Hillsborough: $6,075,000, down 10.8 percent, 10 closings, 9 days, 108 percent, 1.5 months. Total volume $61,393,000.Redwood City: $2,477,500, up 12.6 percent, 40 closings, 11 days, 109 percent, 1.3 months. Total volume $105,189,000.San Mateo: $2,375,500, up 3.7 percent, 42 closings, 11 days, 108 percent, 1.2 months. Total volume $105,148,390.Woodside: $3,750,000, up 70.5 percent, 5 closings, 107 days, 98 percent, 4.5 months. Total volume $20,345,000.Source: MLSListings city market statistics for each town, data period October 2026, retrieved November 4, 2026.Four of the seven towns had fewer than 25 single-family closings in the month, and Atherton, Hillsborough and Woodside had 10 or fewer. A median from that few sales shifts a lot when one or two large houses close. Atherton's median was down 41.1 percent from a year earlier while its eight closings still added up to $76.2 million. Woodside's 5 closings carried the longest median days on market in the group at 107.Among Atherton, Menlo Park, Burlingame and Hillsborough, Menlo Park had the most active single-family listings at 34. Burlingame had 10 active listings against 23 closings.Freddie Mac's weekly survey put the 30-year fixed rate at 7.24 percent for October 29, 2026, down from 7.32 percent the week before and up from 6.17 percent a year earlier. The 15-year rate was 6.60 percent.Source: Freddie Mac Primary Mortgage Market Survey, October 29, 2026.Michael Williams is a Bay Area agent with Golden Gate Luxury (Turbohome Inc). Seventeen years in, more than $250M closed, formerly #1 at Flyhomes and Aalto, DRE #01780513. Golden Gate Luxury is not affiliated with Golden Gate Sotheby's.General market information only. Nothing here is legal, tax, or financial advice. MLS statistics are subject to revision as late-reported sales post; verify current MLS data and loan quotes before acting on any of it.Also on Medium: https://medium.com/@michael_30207/san-mateo-countys-median-single-family-sale-price-was-2-2-919ec48d3828
Michael Williams
Luxury Specialist
Area served: Sausalito, Marin County, CA, Menlo Park, CA, San Francisco, CA
Expertise: First-Time Buyer, Luxury, Zoning Knowledge
