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1 Helen StreetSan Francisco, CA 94109

For Sale

$4,300,000

Smart Buyer Rebate $43,000

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.

Listed by Raeanna Reudy

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License #01971379

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Compass

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650-759-4221

Last updated August 10, 2026

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Source: MLSListings #ML82055931

Listing Facts

  • TypeSingle-family
  • NeighborhoodNob Hill
  • Bedrooms3
  • Days on Prevu49
  • Size2,492 sqft
  • Price per sqft$1,726

Amenities

  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

07/29/2026
Listed by Compass
$4,300,000
  1. 07/29/2026$4,300,000
    Listed by Compass

Property Details for 1 Helen Street

Exterior

Construction

  • New Construction: Yes
  • Roof: Flat
  • Year Built: 2026
  • Year Built Details: 6

Measurements

  • Building Area Total: 2,492
  • Lot Size Area: 1,271
  • Lot Size Source: Assessor
  • Lot Size Square Feet: 1,271
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 0251-045

Interior

Features

  • Fireplace Features: Living Room
  • Fireplaces Total: 1

Measurements

  • Living Area: 2,492

Rooms

  • Bathrooms Full: 3
  • Bathrooms Half: 2
  • Bedrooms Total: 3

Parking

Parking

  • Attached Garage: Yes
  • Garage Spaces: 1
  • Garage: Yes
  • Parking Features: Attached Garage

Schools

Elementary School

  • Elementary School District: San Francisco Unified

High School

  • High School District: San Francisco Unified

Utilities

Equipment

  • Cooling: Other
  • Heating: Heat Pump
  • Sewer: Public Sewer
  • Utilities: Public Utilities, Water - Public
  • Water Source: Public

Frequently Asked Questions

How many bedrooms does this single-family home have?

There are 3 bedrooms in this single-family home at 1 Helen Street.

Does this single-family home have parking?

Yes, there is 1 parking space available for 1 Helen Street.

How does 1 Helen Street compare to other single-family homes in Nob Hill?

This single-family home is listed 52% above the average price for single-family homes in Nob Hill and has been on the market for 69 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 2,492 sqft.

1 Helen Street is a 3-bedroom single-family home for sale in San Francisco CA 94109. Listed on Prevu for 49 days at $4,300,000. This property features 2,492 square feet of living space, located in Nob Hill. The median listing price for single-family homes in this area is $1,722,500. The home offers pets allowed and parking. Explore more single-family home listings in San Francisco.

The data relating to real estate for sale on this display comes in part from the Internet Data Exchange program of the MLSListings™️ MLS system. Real estate listings held by brokerage firms other than Prevu Real Estate are marked with the Internet Data Exchange and detailed information about them includes the names of the listing brokers and listing agents. Based on information from the MLSListings MLS) as of 08/10/2026. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Data Services by Constellation Data Labs. IDX display powered by Prevu Real Estate. Copyright 2026 MLSListings Inc. All rights reserved.

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.