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Watertown Zoning & Land Use Guide

Last updated: Verified:

Key Zoning Facts

Planning Department
City of Watertown Planning & Zoning Department(605) 882-6202
Building Code Edition
2018 International Building Code (locally adopted)
ADUs Allowed
Yes
Primary District
R-1 Single-Family Residential
Max Height
35 ft

Regulatory Layers That Apply in Watertown

Your property is subject to ALL of these regulatory layers. Each one can impose additional requirements beyond the others.

Federal

State — South Dakota

  • Building Code: No mandatory statewide code; local adoption
View South Dakota zoning overview

County — Codington County

  • Role: Property records, tax assessment, unincorporated area planning

City / Municipal

The city's zoning ordinance, building codes, and local permits form the primary layer of land-use regulation for your property.

Overlay Districts

No overlay districts identified.

Private Restrictions

  • HOA / CC&Rs common: Yes
  • Check HOA CC&Rs for additional restrictions.

Primary Zoning Districts

District CodeNameMin LotMax HeightFront SetbackSide SetbackRear SetbackFAR
R-1Single-Family Residential7,200 sq ft35 ft25 ft6 ft25 ft
R-3Multi-Family Residential6,000 sq ft45 ft25 ft10 ft20 ft
C-2General CommercialNone50 ft0 ft0 ft0 ft

ADU Rules in Watertown

ADUs:Allowed
Max Size
700 sq ft
Max Height
22 ft
Rear Setback
5 ft
Side Setback
5 ft
Parking
1 off-street space required
Owner Occupancy
Owner must occupy primary dwelling
Permit Timeline
3-6 weeks
Full ADU rules for Watertown

Official Sources

Frequently Asked Questions

Frequently Asked Questions

Can I build an ADU in Watertown?
Yes, Watertown allows accessory dwelling units in certain residential zones subject to local zoning standards including size, setback, and parking requirements.
How do I find the zoning for my property in Watertown?
Contact the Watertown Planning & Zoning Department at (605) 882-6202 or visit the city's planning webpage for zoning maps.
What zones allow multi-family housing in Watertown?
Multi-family housing is permitted in R-3 (Multi-Family Residential) and higher-density residential districts, as well as certain commercial zones.