843 Mason St, San Francisco, CA 94108

Sold September 16, 2025 for $4,380,000 · 5.8% under asking · 50 days on market

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Listed By Eric D Altree. DRE# 000962304. Compass. (415) 218-4047

Source: SFAR/San Francisco, MLS # 425060484

843 Mason St in San Francisco sold for $4,380,000 on September 16, 2025 — 5.8% below its $4,650,000 asking price — 50 days after coming on the market. That works out to $989 per square foot for a 5-bedroom, 5-bath single-family home built in 1917. The 4,427 sq ft house sits in Downtown, which Houseberry scores 2.5/5 overall, 2.5/5 for schools and 1.9/5 for safety — 87th of 92 neighborhoods in San Francisco — with a median home price of $4.38M.

Nestled atop storied Nob Hill and directly across from the landmark Mark Hopkins Hotel, 843 Mason Street is a rare architectural treasure. Designed in 1917 by the legendary Willis Polk, this home is part of an exclusive row of classic townhouses that embody the timeless sophistication of early 20th-century San Francisco. This stunning 5BD/4BA/2HB residence spans approximately 4,427 square feet (per Open Homes floor plan) and unfolds across four thoughtfully designed levels, offering a rare combination of versatility, scale,

Date	Event & Source	Price	Change
Sep 16, 2025	Sold SFAR	$4,380,000	−5.8%
Jul 28, 2025	Listed SFAR	$4,650,000

School Name	Type	Grades	Distance	Houseberry School Score
Redding Elementary	Primary	K-5	0.5 mi	3/5
Marina Middle	Middle	6-8	1.5 mi	3.5/5

Click links for school listing

info at GreatSchools.org

Houseberry School Score Data

from CA Dept. of Education

Houseberry recommends using these scores as only a starting point, and conducting your own investigation into what schools fit best for your preferences. School boundaries are not guaranteed and may change. It is important to contact the appropriate school district to confirm enrollment eligibility before making any decision to move to a neighborhood.

Near Good Merchants
5.0
Public Spaces
3
Curb Appeal
3

Overall Amenities score: 3.4

What neighborhood is 843 Mason St in?

843 Mason St sits in Downtown, San Francisco. Houseberry gives the neighborhood an overall score of 2.5 out of 5, placing it 87th of the 92 neighborhoods we score in San Francisco.

What schools serve 843 Mason St?

Houseberry holds attendance boundaries covering 843 Mason St for Redding Elementary (elementary school, K-5) 0.5 mi away and Marina Middle (middle school, 6-8) 1.5 mi away. We hold no high school boundary for this address, which does not mean there is no high school nearby.

How much did 843 Mason St sell for?

843 Mason St closed at $4,380,000 on September 16, 2025. It had been asking $4,650,000.

How long was 843 Mason St on the market?

843 Mason St was on the market for 50 days — listed on July 28, 2025, sale closed on September 16, 2025.

What is the price per square foot at 843 Mason St?

843 Mason St works out to $989 per square foot, from the $4,380,000 sale price across 4,427 square feet.

Is Downtown a good place to live?

Houseberry scores Downtown 2.5 out of 5 overall, with 2.5 for schools and 1.9 for safety, each on the same five-point scale. The median home price there is $4.38M, against $4,380,000 for this property.

See the full Downtown profile

Homes for sale in Downtown17 active listings nearby at last count
Is Downtown a good place to live?Houseberry scores for schools, safety and amenities
Homes sold in DowntownRecent sale prices and how long homes took to sell
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