Support
DT Help Desk: 581-7100
Rob: 805-428-7577
Jeff: 581-4004
Data Refresh
The streets and parcels are refreshed from Department of Public works every night. The imagery layer is from 2012.
Street Numbering Rules
In some cases it will not be obvious what street number you should use.
In these cases, you'll need to refer to this document (AB-035):
Report Base Map Error
If you spot an error in the basemap, please contact BSM (see below).
New Street
Each street segment must have a 5 attributes before it can be created at Public Works.
- low left side address number
- low right side address number
- high right side address number
- high left side address number
- from street
- to street
The easiest way to capture this is probably on a map but a table will also suffice.
The low and high address numbers are the responsibility of Building Inspection.
Here are the rules DBI uses to provide street number ranges (AB-035):
Once we have this information, please contact BSM (see below).
New Parcel
When you need to have a parcel created on the "base map", please coordinate the Bureau of Street Mapping (see below).
Dept of Public Works (DPW)
DPW contacts are listed below in order of escalation.
If you have a question about the streets, please start with Javier.
Marivic Huff (marivic.huff@sfdpw.org) 554-5910
Eddy Ching (Eddy.Ching @sfdpw.org) 554-6198
Joy DiFranza (Joy.Difranza@sfdpw.org) 554-5813
Geoffrey Schneider (Geoffrey.Schneider@sfdpw.org) need phone
Javier Rivera (Javier.Rivera@sfdpw.org) need phone
Adding a unit
When you add a unit to the base address, make sure that, if the unit is linked to a parcel, unlink the base address from that parcel. Is this always the case? Example: 2169 FOLSOM ST.
Treasure Island and Yerba Buena Island Addresses
Addresses on Treasure Island should be assigned to Assessor Parcel Number 1939001. This is the only legal parcel for Treasure Island and so it is the only parcel that the assessor recognizes.
Please use this map (pdf) to help determine addresses and their locations. The map was produced by Treasure Island Task Force in collaboration with the Department of Emergency Management and Department of Building Inspection.
Most of the Treasure Island addresses from DBI's Address Verification System (AVS) were not imported into EAS because they use invalid parcels. These invalid parcels were created (for legacy reasons) by planning and then used by DBI for permitting. Because these are not legal parcels, we shall not create new addresses using these parcels.
Many of the legacy (old) Treasure Island addresses in AVS can be identified by street names that end in " - TI"; they also are associated with invalid parcel numbers beginning in 8004 through8078. Treasure Island addresses that flow into AVS from EAS can be identified by the use of the Treasure Island parcel: 1939001.
For Yerba Buena Island addresses, the legacy addresses are associated with invalid parcel number beginning in 8314 through 8330, with one address at APN 8513/001 (195 NIMITZ). Yerba Buena Island addresses that flow into AVS from EAS can be identified by the use of the Yerba Buena Island parcel: 1939002.
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