Subdivision and Mapping

Public Works' mapping division processes and reviews all subdivision projects that occur in San Francisco, including all condominium conversions.  We also provide surveying services for all city agencies.Photo of vintage SF maps

Quick Links :


Additional Project Information:

Condominium Conversion

Expedited conversion program

         Expedited Conversion Program - NO Tenants

         Expedited Conversion Program - Tenants

         ECP 20-Day Tentative Map Notices  

Most senior class participants not selected in 2013 - The below participants are exempt from the Expedited Conversion Program requirements, per Ordinance 117-13, Section 4. These applicants may use the Residential Condominium Conversion application.


Assessor's Block & Lot Street Address Number of Units
3596/070 218-220 Lexington Street 3
3609/080 3555 20th Street 2
0096/047 1235-1239 Filbert Street 4

2013 Condo Lottery Results :


San Francisco Subdivision Regulations

General Information

  • Effective immediately - Checkprint in PDF format
  • Assessor's parcel numbers are required on all Mylar submittals. We do not require complete condo plans, only the numbers to verify with the Assessor's office. 
  • If the package received by our office is reviewed and deemed incomplete, you will be assessed a $250 fee for additional review cost.
  • Office of the Assessor-Recorder current recording fee

Information for mapping professionals

Monument Referencing

Related links

OldSF Map_Long


San Francisco Public Works
Bureau of Street-Use and Mapping
1155 Market Street, 3rd Floor
San Francisco, CA 94103
Phone: (415) 554-5827
Fax: (415) 554-5324