Winnie Fok Presents
san francisco investment opportunity
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$2,499,000
1136-1140 Mason Street, San Francisco
Elegant Nob Hill Triplex with Renovated Flats, Parking & Bonus Studio
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Welcome to a rare opportunity in the heart of San Francisco’s iconic Nob Hill. Just one block from the legendary Fairmont Hotel and directly across from the Cable Car Museum, this elegant 1912 building sits at the crossroads of history, charm, and modern city living.
Lovingly cared for by the same family for decades, this stately triplex offers approximately 4,500 square feet of living space across three spacious flats, along with garage parking and a bonus studio. The top two units—both vacant—have been thoughtfully and stylishly renovated, blending classic San Francisco architecture with updated interiors for today’s lifestyle.
Each renovated flat features formal living and dining rooms, two full bedrooms plus a charming fainting room—perfect for a guest room, nursery, or home office. The kitchens have been fully modernized with sleek stainless steel appliances, fresh cabinetry, and in-unit laundry hookups. You'll find newly installed engineered hardwood flooring throughout, fresh paint, and beautifully updated split baths.
The lower flat is tenant-occupied by a long-term renter, providing stable income from day one.
In 2015, the garage level was expanded with permits to accommodate up to three small cars. Next to the garage, a bonus studio with a full bath presents exciting possibilities—use it as a workspace, guest quarters, or potentially expand into a legal fourth unit (buyer to verify).
System upgrades include updated electrical throughout and removal of all knob-and-tube wiring, offering peace of mind and improved efficiency.
Set in one of the city's most vibrant neighborhoods, surrounded by historic landmarks, upscale hotels, trendy cafés, and iconic cable cars, this is a unique opportunity for both investors and owner-occupiers alike. Whether you’re looking to live in one unit and rent the others, or hold as a fully income-generating property, this Nob Hill beauty offers flexibility, location, and timeless appeal.
Lovingly cared for by the same family for decades, this stately triplex offers approximately 4,500 square feet of living space across three spacious flats, along with garage parking and a bonus studio. The top two units—both vacant—have been thoughtfully and stylishly renovated, blending classic San Francisco architecture with updated interiors for today’s lifestyle.
Each renovated flat features formal living and dining rooms, two full bedrooms plus a charming fainting room—perfect for a guest room, nursery, or home office. The kitchens have been fully modernized with sleek stainless steel appliances, fresh cabinetry, and in-unit laundry hookups. You'll find newly installed engineered hardwood flooring throughout, fresh paint, and beautifully updated split baths.
The lower flat is tenant-occupied by a long-term renter, providing stable income from day one.
In 2015, the garage level was expanded with permits to accommodate up to three small cars. Next to the garage, a bonus studio with a full bath presents exciting possibilities—use it as a workspace, guest quarters, or potentially expand into a legal fourth unit (buyer to verify).
System upgrades include updated electrical throughout and removal of all knob-and-tube wiring, offering peace of mind and improved efficiency.
Set in one of the city's most vibrant neighborhoods, surrounded by historic landmarks, upscale hotels, trendy cafés, and iconic cable cars, this is a unique opportunity for both investors and owner-occupiers alike. Whether you’re looking to live in one unit and rent the others, or hold as a fully income-generating property, this Nob Hill beauty offers flexibility, location, and timeless appeal.
All Property Photos
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Floor Plans
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about this
Neighborhood
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Exclusive and elegant, Nob Hill is home to some of the grandest mansions and most historic hotels one can find in San Francisco. Nob Hill is part of an enclave made accesible in the 1870s by the addition of cable cars climbing up California Street through the heart of the neighborhood. The area is considered the center of old San Francisco, where even today descendants of some of the original founding families of San Francisco keep continued memberships at renowned private clubs, including the infamous Bohemian Club.
All but destroyed in the fire of 1906, Nob Hill homes remain the most prestigious of San Francisco addresses. Old money is on display here, making itself seen through the extravagantly adorned buildings that line every street.Huntington Park is certainly the heart of Nob Hill. Home to the iconic 10-foot Fountain of Tortoises, families enjoy congregating on its shady expanses to take in a bit of respite following the hike up the hill. There is also a children's playground which is second to none.
The spiritual center of the community is found in the impressive stone architecture of Grace Cathedral. A Liberal bastion, the Cathedral administers an array of social justice programs, and brings inspiration through the many musical concerts it hosts throughout the year. Also on the grounds is an outdoor meditation labyrinth. Here visitors traverse the garden in silence as part of a meditative reflection on their own lives and the lives of others.
The neighborhood of Nob Hill remains a very walkable area despite its many steep avenues. It remains an urban oasis for residents while never being too far from the action of downtown. Perfectly situated it remains bounded by the excitement of Chinatown, the thrilling nightlife of Polk Street, and the upscale shopping of Union Square. Nob Hill is a walking commute from downtown and the financial district. And for those not interested in walking at the end of the day, MUNI provides monthly cable car passes. Now that's traveling in style!
All but destroyed in the fire of 1906, Nob Hill homes remain the most prestigious of San Francisco addresses. Old money is on display here, making itself seen through the extravagantly adorned buildings that line every street.Huntington Park is certainly the heart of Nob Hill. Home to the iconic 10-foot Fountain of Tortoises, families enjoy congregating on its shady expanses to take in a bit of respite following the hike up the hill. There is also a children's playground which is second to none.
The spiritual center of the community is found in the impressive stone architecture of Grace Cathedral. A Liberal bastion, the Cathedral administers an array of social justice programs, and brings inspiration through the many musical concerts it hosts throughout the year. Also on the grounds is an outdoor meditation labyrinth. Here visitors traverse the garden in silence as part of a meditative reflection on their own lives and the lives of others.
The neighborhood of Nob Hill remains a very walkable area despite its many steep avenues. It remains an urban oasis for residents while never being too far from the action of downtown. Perfectly situated it remains bounded by the excitement of Chinatown, the thrilling nightlife of Polk Street, and the upscale shopping of Union Square. Nob Hill is a walking commute from downtown and the financial district. And for those not interested in walking at the end of the day, MUNI provides monthly cable car passes. Now that's traveling in style!
Winnie Fok
Sotheby's International Realty
Realtor® Associate
- DRE:
- #01235265
- Office:
- 650.208.9391
www.WinnieFokGroup.com
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Winnie Fok
Sotheby's International Realty
Realtor® Associate
- DRE:
- #01235265
- Office:
- 650.208.9391