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1140 Mason StreetSan Francisco, CA 94108

For Sale

$2,499,000

Smart Buyer Rebate $24,990

Elegant Nob Hill Triplex with Renovated Flats, Parking & Bonus Studio! Perched atop iconic Nob Hilljust one block from the Fairmont and across from the Cable Car Museumthis elegant 1912 building offers timeless charm with updated interiors and incredible flexibility. The property features three spacious flats totaling approx. 4,500 sq ft, plus garage parking for 3 small cars and a bonus studio with full bath. The top two flats are vacant and recently renovated with updated kitchens, stainless appliances, engineered hardwood floors, in-unit laundry hookups, and two bedrooms plus a fainting room (ideal for guest space or office). Formal living and dining rooms, fresh paint, and split baths complete each home. The lower flat is tenant-occupied with stable, long-term rental income. The garage level was expanded with permits in 2005. All units have updated electrical and no knob-and-tube. With expansion potential and a premier location surrounded by cafs, landmarks, and transit, this is a rare opportunity for investors or owner-users alike. Come early!

Listed by Winnie W. Fok

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License #01235265

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Sotheby's International Realty

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9291500

Last updated November 14, 2025

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Source: SFAR #425071810

Listing Facts

  • TypeMulti-family
  • NeighborhoodNob Hill
  • Days on Prevu69
  • Size4,500 sqft
  • Price per sqft$555

Amenities

  • Dishwasher
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

10/27/2025
Status changed to Active
$2,499,000
10/23/2025
Status changed to Removed from Feed
$2,499,000
10/22/2025
Status changed to In Contract
$2,499,000
10/16/2025
Status changed to Removed from Feed
$2,499,000
10/16/2025
Status changed to In Contract
$2,499,000
09/11/2025
Listed by Sotheby's International Realty
$2,499,000

Property Details for 1140 Mason Street

Exterior

Construction

  • Number Of Units Total: 3
  • Property Condition: Updated/Remodeled, Varies By Unit
  • Stories: 3
  • Stories Total: 3
  • Year Built: 1912
  • Architectural Style: Edwardian
  • Construction Materials: Wood

Features

  • View: City

Measurements

  • Lot Features: Corner, Curb(s)
  • Lot Size Acres: 0.03
  • Lot Size Source: Assessor Auto-Fill
  • Lot Size Square Feet: 1,650
  • Lot Size Units: Square Feet

Financial

Residential Income

  • Cap Rate: 6.87

Taxes

  • Parcel Number: 0212-025

Interior

Features

  • Appliances: Dishwasher, Disposal, Free Standing Gas Range, Free Standing Refrigerator
  • Flooring: Carpet, Linoleum, Simulated Wood, Tile, Varies By Unit

Measurements

  • Living Area: 4,500
  • Living Area Source: Assessor Auto-Fill

Rooms

  • Basement: Finished
  • Rooms Total: 17

Other

Environmental

  • Green Energy Efficient: Appliances

Parking

Parking

  • Garage Spaces: 3
  • Parking Features: Attached, Garage, Tandem Garage
  • Parking Total: 3

Utilities

Equipment

  • Heating: Central
  • Laundry Features: In Common Area, In Each Unit, Varies By Unit, Washer/Dryer Owned
  • Sewer: Public Sewer
  • Utilities: City
  • Water Source: Public

Based on information from San Francisco Association of REALTORS® and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.