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Investment Highlights

  • Building permits have been issued, allowing a developer to bypass much of the entitlement risk and lengthy San Francisco planning timeline.
  • The scope allows a buyer to transform a dated structure into a modern luxury residential property with strong resale or rental potential.
  • Russian Hill rarely sees redevelopment opportunities with approved plans, creating a compelling opportunity for investors and developers.
  • The property sits in one of the city’s most sought-after neighborhoods, within walking distance to North Beach, Polk Street, and the waterfront.
  • Engineering plans include foundation upgrades and structural modernization, reducing unknowns during construction.
  • This project is ideal for a developer seeking to create high-quality residential product in a premier San Francisco neighborhood.

Executive Summary

Located in the heart of Russian Hill, one of San Francisco's most desirable and supply-constrained residential neighborhoods, 1437 Mason Street presents a rare opportunity to acquire a fully permitted renovation project with significant upside. The property consists of a two-unit residential building originally constructed in 1907, situated on a 2,750 square foot lot in the RM-2 zoning district. The project has already secured approvals and permits through the San Francisco Department of Building Inspection, allowing a buyer to immediately move forward with construction and reposition the asset into a modern, high-end residential property. The approved plans call for a comprehensive redevelopment of the existing structure while maintaining the building envelope. The project includes: Complete interior reconfiguration of both residential units, New structural foundation and seismic improvements, Conversion of basement space into functional living area, Removal and replacement of existing stair systems, Full facade upgrades and exterior improvements, New roof deck elements and modernized architectural features. Upon completion, the project will deliver two redesigned residential units with modern layouts, updated systems, and enhanced outdoor space. Permits in hand for the follow unit mix: One (3) bed (3) bath - UPSTAIRS One (1) bed (1.5) bath - DOWNSTAIRS

Property Facts

Price $1,903,753 CAD
Price Per Unit $951,877 CAD
Sale Type Investment
Sale Condition Redevelopment Project
No. Units 2
Property Type Multifamily
Property Subtype Apartment
Apartment Style Low-Rise
Building Class C
Lot Size 0.06 AC
Building Size 1,794 SF
No. Stories 2
Year Built 1907
Zoning RM2 - RM-2

Unit Mix Information

Description No. Units Avg. Rent/Mo SF
3+3 1 $1.37 CAD -
1+1.5 1 $1.37 CAD -
Exceptionally walkable
100/100
Very drivable
80/100
Exceptional public transit
100/100
Moderately bikeable
60/100

Property Taxes

Property Taxes

Parcel Number
0158-005
Land Assessment
$186,339 CAD
Improvements Assessment
$109,428 CAD
Total Assessment
$295,767 CAD
  • Listing ID: 39717901

  • Date on Market: 2026-03-09

  • Last Updated:

  • Address: 1437 Mason St, San Francisco, CA 94133

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