1 Helen Street San Francisco, CA $ 4,300,000
1 Helen Street
$ 4,300,000
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1 Helen Street

San Francisco, CA, 94109
$ 4,300,000
Bedrooms3 Baths3.2 Sq 2,492

Monthly Estimate*

$ 27,151

Listed by Compass
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Single Family Home for sale in San Francisco, CA

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.

Introducing One Helen, a rare opportunity to create a custom-quality luxury residence in the heart of Nob Hill. Positioned on one of San Franciscos 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 and design details. Designed by acclaimed architect William Pashelinsky, this four-level residence is envisioned as a sophisticated contemporary home offering approximately 2,492 square feet of living space, with 3 bedrooms, 3 full bathrooms, 2 half bathrooms, an attached garage, and multiple indoor-outdoor living spaces. The thoughtful design emphasizes natural light, privacy, and effortless entertaining, featuring a refined chefs kitchen, luxurious primary suite, flexible fitness/media space, private garden, and expansive terraces. One Helen combines the confidence of a fully realized architectural plan with the opportunity to create a home tailored to your vision. Moments from world-class dining, boutique shopping, Huntington Park, the Fairmont Hotel, cable cars, and the Financial District, this exceptional residence offers a rare opportunity in one of San Franciscos most iconic neighborhoods.

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Single Family Active

Price

$ 4,300,000

Bedrooms

3

Full Bath

3

Half Bath

2

Property Type

Single Family

Taxes

$ 0

Style

Lot Size

0.0292

Year Built

2026

Town/City

San Francisco

County/Region

San Francisco

MLS | Web ID

ML82055931

Days on Market

1

Features
General
Living Area 2492
Sewer Public Sewer
Heating Heat Pump
Roof Flat
Zoning RM3
Garage Spaces 1
Year Built 2026
Property Subtype Single Family Residence
County San Francisco
New Construction false
Property Type Residential
HOA false
Attached Garage true
Garage Y/N true
Full Baths 3
Special Listing Conditions Standard
Status Active
Directions Cross Street: California Street
City San Francisco
High School District San Francisco Unified
Lot Size Units Square Feet
Lot Size Square Feet 1271
Property Attached Y/N false
Standard Status Active
Year Built Source Other
Virtual Tour https://homes.bianchigroupdevelopers.com/one-helen
Property Sub Type Additional Single Family Residence
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Interior
Fireplace Features Living Room
Common Walls No Common Walls
Air Conditioning Y/N true
Heating Y/N true
Fireplace Y/N true
Half Baths 2
Total Bedrooms 3
Total Baths 5
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Exterior
Water Source Public
Total Parking 1
Lot Size Area 1271
Lot Size Acres 0.0292
Lot Size Source Assessor
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* Excluded Features
List By
Compass

Broker

raeannareudy@compass.com

Email

Affordability Calculator

$27,151
Per Month
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Monthly Principal & Interest
$27,151
Monthly Property Taxes
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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.
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Nearby
4827338 Elementary School
4827337 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
7/30/2026$4,300,000 Listed Price

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1 Helen Street, San Francisco, CA, 94109 is a Single Family Home for sale at $4,300,000 with 2,492 sqft and a lot size of 0.0292. 1 Helen Street has 3 bedrooms, 3.2 baths, and was built in 2026. The property's zip code is 94109 which is in San Francisco, CA