Skip the years-long renovation and move into your custom home as soon as Spring 2027! Introducing One Helen, a rare opportunity to own a custom-quality luxury residence in the heart of Nob Hill. Located on one of San Francisco’s most charming and private lanes, this shovel-ready opportunity offers the best of both worlds: an approved architectural vision with construction ready to begin, while allowing the future owner to personalize select finishes, subject to the stage of construction. Designed by acclaimed architect William Pashelinsky, this contemporary four-level home is planned for approximately 2,492 square feet with 3 bedrooms, 3 full bathrooms, 2 half bathrooms, an attached garage, and exceptional indoor-outdoor living. The thoughtful design emphasizes natural light, privacy, and effortless entertaining, featuring a chef’s kitchen, luxurious primary suite, flexible fitness/media space, private garden, and expansive terraces. Just moments from world-class dining, boutique shopping, Huntington Park, the Fairmont Hotel, cable cars, and the Financial District, One Helen offers a rare opportunity to create a personalized luxury home in one of San Francisco’s most iconic neighborhoods.
Property Details
Price:
$4,300,000
MLS #:
ML82055931
Status:
Active
Beds:
3
Baths:
5
Type:
Single Family
Subtype:
Single Family Residence
Listed Date:
Jul 29, 2026
Finished Sq Ft:
2,492
Lot Size:
1,271 sqft / 0.03 acres (approx)
Year Built:
2026
See this Listing
Schools
School District:
San Francisco Unified
Interior
Bathrooms
3 Full Bathrooms, 2 Half Bathrooms
Heating
HP
Exterior
Attached Garage YN
1
Common Walls
NCW
Garage Spaces
1
Parking Spots
1
Parking Total
1
Roof
FLTR
Financial
Map
Community
- Address1 Helen ST San Francisco CA
- CitySan Francisco
- CountySan Francisco
- Zip Code94109
Subdivisions in San Francisco
Market Summary
Current real estate data for Single Family in San Francisco as of Aug 14, 2026
94
Single Family Listed
81
Avg DOM
737
Avg $ / SqFt
$1,508,566
Avg List Price
Property Summary
- 1 Helen ST San Francisco CA is a Single Family for sale in San Francisco, CA, 94109. It is listed for $4,300,000 and features 3 beds, 5 baths, and has approximately 2,492 square feet of living space, and was originally constructed in 2026. The current price per square foot is $1,726. The average price per square foot for Single Family listings in San Francisco is $737. The average listing price for Single Family in San Francisco is $1,508,566.
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