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Written by: Brady Bell

Published Apr 14, 2025

"Doing my best to make real estate easy to understand for the average Joe."

5 min

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Fremont County

Zoning Category Image
Zoning Category Image

Fremont County Zoning Regulations: A Comprehensive Guide

Understanding Fremont County's zoning regulations doesn't have to be complicated. Whether you're buying land, building a home, or developing property, knowing these rules is essential. This guide breaks down the county's zoning districts and regulations in plain language to help you make informed decisions.

For the most current zoning information, always check the official Fremont County Development Code and planning department resources. If you need help understanding how these regulations affect your property, our team at Bellhaven Real Estate is here to assist at no cost.

Fremont County Zoning Districts at a Glance

Fremont County uses a zoning system that balances residential development, agricultural preservation, and recreational opportunities. Here's a quick overview of the main zoning districts:

Zone Type

Zone Code

Primary Purpose

Typical Uses

Residential

R-1

Single-family residential

Single-family homes

R-2

Multiple-family residential

Apartments, duplexes

R-3

Mobile home residential

Mobile homes, manufactured homes

Agricultural

A-1

Agricultural

Farming, ranching, limited residential

A-2

Agricultural transitional

Farming with more residential options

A-3

Agricultural forest

Forestry, limited residential

Commercial

C-1

Community commercial

Retail, offices, services

C-2

Highway commercial

Highway-oriented businesses

Industrial

I

Industrial

Manufacturing, processing

Recreational

REC

Recreational

Recreational facilities and services

Residential Zones

Fremont County's residential zones provide areas for housing development while maintaining appropriate density and neighborhood character.

Feature

R-1

R-2

R-3

Housing Type

Single-family

Multi-family

Mobile homes

Minimum Lot Size

Medium

Varies

Smaller

Density

Low-Medium

High

Medium-High

Agricultural Uses

Very limited

Not allowed

Very limited

R-1 Zone (Single-Family Residential)

The R-1 zone is designed for traditional single-family homes on standard-sized lots.

  • Focused exclusively on single-family homes

  • Provides space for yards and outdoor activities

  • Typically located in established residential neighborhoods

  • Limited to residential uses with few exceptions

R-2 Zone (Multiple-Family Residential)

The R-2 zone allows for apartments, duplexes, and other multi-family housing options.

  • Permits apartments, duplexes, and other multi-family structures

  • Higher residential density

  • Typically located near commercial areas or major transportation routes

  • Provides more affordable housing options

R-3 Zone (Mobile Home Residential)

The R-3 zone is designed for mobile homes and manufactured housing.

Agricultural Zones

Fremont County's agricultural zones balance farming activities with residential development in rural areas.

Feature

A-1

A-2

A-3

Minimum Lot Size

Largest

Medium

Large

Agricultural Intensity

High

Medium

Medium-Low

Residential Focus

Low

Medium

Low-Medium

Natural Resource Focus

Medium

Low

High

A-1 Zone (Agricultural)

The A-1 zone is primarily focused on agricultural activities with limited residential development.

  • Preserves agricultural land for farming and ranching

  • Allows for farm residences and limited non-farm residential development

  • Few restrictions on agricultural operations

  • Maintains rural character and agricultural economy

A-2 Zone (Agricultural Transitional)

The A-2 zone provides for a transition between agricultural and residential areas.

  • Balance between agricultural and residential uses

  • Smaller minimum lot sizes than the A-1 zone

  • More restrictions on agricultural operations than the A-1 zone

  • Often located near growing communities or developing areas

A-3 Zone (Agricultural Forest)

The A-3 zone is designed for forestry and limited residential development in forested areas.

  • Preserves forest resources

  • Allows for limited residential development

  • Specific requirements for development in forested areas

  • Focus on natural resource protection

Commercial and Industrial Zones

Fremont County's commercial and industrial zones provide space for businesses and industries while managing their impacts on residential areas.

Feature

C-1

C-2

I

Scale

Small-Medium

Medium-Large

Large

Impact

Low-Medium

Medium-High

High

Compatibility with Residential

Good

Limited

Poor

Traffic Generation

Medium

High

Medium-High

C-1 Zone (Community Commercial)

The C-1 zone provides locations for commercial uses that serve the local community.

  • Retail stores and services

  • Professional offices

  • Restaurants and small entertainment venues

  • Community-serving businesses

C-2 Zone (Highway Commercial)

The C-2 zone accommodates larger commercial uses oriented toward highway traffic.

  • Larger retail stores

  • Service stations and automotive businesses

  • Hotels and motels

  • Businesses catering to highway travelers

I Zone (Industrial)

The I zone provides locations for manufacturing, processing, and other industrial operations.

  • Manufacturing and processing

  • Warehousing and distribution

  • Research and development

  • Resource extraction and processing

Recreational Zone

The REC (Recreational) zone is designed for recreational facilities and activities, which is particularly important in Fremont County with its proximity to Island Park, Yellowstone, and other recreational areas.

  • Campgrounds and RV parks

  • Outdoor recreational facilities

  • Parks and open spaces

  • Limited residential development related to recreational uses

  • Tourist-oriented services and facilities

Zoning Procedures

Understanding how zoning works in Fremont County is just as important as knowing the zone designations. The county has established clear processes for:

Process

Description

Typical Timeline

Zoning Verification

Confirming the current zoning of a property

1-2 days

Conditional Use Permit

Permission for uses allowed under certain conditions

30-60 days

Variance

Permission to deviate from specific zoning requirements

30-60 days

Zone Change

Changing the zoning designation of a property

60-90 days

Understanding these procedural requirements can save you time and frustration when planning a project in Fremont County. If you need help navigating these procedures, I'm happy to assist.

Property Restriction Hierarchy

When purchasing or developing property in Fremont County, it's important to understand the full hierarchy of restrictions that may apply:

  1. County Zoning: The base regulations that apply to all properties in unincorporated areas of Fremont County

  2. City Zoning: Properties within city limits follow city zoning instead of county zoning. In Fremont County, these cities include:

    • St. Anthony - Has its own comprehensive zoning ordinance

    • Ashton - Maintains separate zoning regulations with unique requirements

    • Island Park - Has specific zoning focused on recreational and tourism development

  3. CC&Rs: Many subdivisions have Covenants, Conditions & Restrictions that add further limitations beyond zoning

  4. HOA Rules: Properties in HOA-governed communities must also follow homeowners association rules, which can be even more restrictive

This hierarchy is important to understand because even if county zoning allows certain uses, city zoning, CC&Rs, or HOA rules may prohibit them. For example, a property zoned A-2 might legally allow for certain agricultural activities according to county regulations, but the subdivision's CC&Rs might prohibit those activities entirely.

Need Help with Fremont County Zoning?

At Bellhaven Real Estate, we help clients understand zoning regulations throughout southeast Idaho. Whether you're:

  • Looking to purchase property and want to understand what you can do with it

  • Planning to build or develop and need clarity on zoning requirements

  • Considering a variance or zone change for your existing property

  • Simply trying to understand how zoning affects your property value

We're here to help at no cost to you. Our team stays informed about zoning regulations throughout the region and can help you understand how they apply to your property.

Exploring Zoning Throughout Southeast Idaho

Fremont County's approach to zoning reflects its unique position as a gateway to Yellowstone and home to significant recreational areas like Island Park. Understanding how Fremont County's regulations compare with neighboring counties provides valuable context, especially if you're considering properties in different areas.

Each county in southeast Idaho has developed unique zoning approaches based on their specific needs and priorities:

  • Bonneville County - More detailed residential categories and higher-density development

  • Bingham County - Has fewer zoning categories but larger agricultural zones

  • Jefferson County - Focuses on preserving agricultural land with specific regulations

  • Madison County - Balances university growth with rural preservation

  • Teton County - Emphasizes scenic preservation and controlled growth

Fremont County's zoning regulations place more emphasis on recreational development and seasonal housing than most other counties in the region. The county's unique geography, with areas ranging from agricultural valleys to forested mountains, has led to a zoning approach that balances traditional agricultural uses with growing recreational development. If you're comparing properties across county lines or considering development in different areas, understanding these regional differences can help you make more informed decisions.

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