1 Helen Street
San Francisco, CA, 94109 $ 4,300,000
Bedrooms3 Baths3.2 Sq 2,492 Monthly Estimate*
$ 27,151
for $4,300,000 with 3 bedrooms and 3 full baths, 2 half baths. This 2,492 square foot home was built in 2026 on a lot size of 0.0292.
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.
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FeaturesGeneralLiving Area 2492
Sewer Public Sewer
Heating Heat Pump
Cooling Other
Zoning RM3
Garage Spaces 1
Year Built 2026
Property Subtype Detached
County San Francisco
New Construction true
Property Type Residential
HOA false
Garage Y/N true
Full Baths 3
Status Active
City San Francisco
High School District San Francisco Unified
MLS Area Listing
Lot Size Square Feet 1271
Property Condition New Construct-To Be Built
Standard Status Active
Elementary School District San Francisco Unified
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InteriorTotal Fireplaces 1
Fireplace Features Living Room
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Total Bedrooms 3
Total Baths 5
1/2 Baths 2
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ExteriorParking Features Attached
Water Source Public
Lot Size Area 1271
Foundation Details Other
Building Area Total 2492
Lot Size Acres 0.0292
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* Excluded FeaturesList ByRaeanna ReudyListing Agent
raeannareudy@compass.comEmail
Affordability Calculator
- Monthly Principal & Interest
- $27,151
- Monthly Property Taxes
- --
- Monthly Home Insurance
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in San Francisco, CA
Average List Price $1,653,087
Percent of Sale Price 62%
About San Francisco, CA 888,074 Population
14% Since 2002
$ 94,948 Median Income
40.76 Median Age
16% Households with Children
Trends Information provided by ATTOM Data Solutions.
4338680 Elementary School
0 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 7/30/2026 | $4,300,000 | | Listed Price |