Anaconda-Deer Lodge Zoning & Land Use Guide

Last updated: Verified:

Official references and local checks

Use the official references below to identify the rules that apply to your address, then confirm parcel-specific requirements with the local authority before filing an application.

Official references

Population:
9,153
County:
Deer Lodge County
State building code:
Montana Building Codes Bureau administers code (based on 2021 IBC)(statewide default)
State ADU law:
Yes — Montana SB 528 (2023), codified at MCA 76-2-345, requires municipalities to adopt regulations allowing at least one accessory dwelling unit by right on a lot containing a single-family dwelling. SB 382 (2023, the Montana Land Use Planning Act) separately reorganized how larger Montana cities plan for housing.
FEMA flood map:
Search flood zones
Municipal code:
View code online

Before you apply

  • Call the Anaconda-Deer Lodge County Planning Department: (406) 563-4000
  • Search the municipal code for the chapter that covers your zoning district and proposed use.
  • Use the local zoning map to look up your parcel's zoning designation before applying for a permit.
  • Check FEMA flood zone for your parcel — flood-zone status changes setbacks, foundation requirements, and insurance.
  • Check your HOA CC&Rs and recorded deed restrictions — they are common in Anaconda-Deer Lodge and frequently restrict ADUs, fences, and exterior changes beyond what zoning allows.

Key Zoning Facts

Local Zoning / Building Office
Anaconda-Deer Lodge County Planning Department(406) 563-4000
Building Code Edition
Montana Building Code (based on 2021 IBC)
ADU / Accessory Apartment
Verify by district

Regulatory Layers That Apply in Anaconda-Deer Lodge

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

Federal

State — Montana

  • Building Code: Montana Building Code (based on 2021 IBC)
  • State ADU Override: Yes (SB 528 and HB 211)
View Montana zoning overview

County — Deer Lodge County

  • Role: Property records, tax assessment, consolidated city-county government

City / Municipal

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

Overlay Districts

No overlay districts identified.

Private Restrictions

  • Private covenants, deed restrictions, condominium rules, or association rules can impose requirements beyond zoning.
  • Check HOA CC&Rs for additional restrictions.

Statewide Context (Montana)

Local data for Anaconda-Deer Lodge is limited. The following state-level facts apply across Montana and are inherited by this page until city-specific details are verified.

State Building Code
Montana Building Codes Bureau administers code (based on 2021 IBC)
State ADU Preemption
Yes — state law overrides local rules
Coastal Zone
No
Wildfire Zones
Yes

ADU Rules in Anaconda-Deer Lodge

ADUs:Allowed(statewide context — not city-specific)
Max Size
800 sq ft
Max Height
22 ft
Rear Setback
5 ft
Side Setback
5 ft
Parking
Verify with local jurisdiction
Owner Occupancy
Not required (per state law)
Permit Timeline
2-4 weeks

Permit Costs & Timelines

Check Current Permit Fees & Timelines

Permit fees and review times can vary by project type, scope, valuation, and required approvals. Check the current schedule with the local permitting authority before filing.

Check current Anaconda-Deer Lodge permit information →

Official Sources

City-specific