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Permitting Guide

Your Guide to the
Building Permit Process.

Whether you handle permits yourself, work through your general contractor, or have NatMar manage the process on the Western Slope, this guide is here to help make the path forward more clear and efficient.

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Before You Build

MOST STEEL BUILDINGS NEED A PERMIT. THE QUESTION IS, HOW DO YOU BEST HANDLE IT.

Requirements vary by county, municipality, building size, elevation, and intended use. A 1,200 sqf hay barn might be completely permit exempt in one area, but require a full permit in just one town over. Every building department follows a certain code year and has their own additional rules and regulations to go with it. But there is common information that you’ll want ready no matter where you’re building.

NatMar offers the option for us to handle the permit process on supply and build projects in the Western Slope. For those outside that area, get with your GC or use this guide to help you get it done yourself.

It is highly advised to wait to order your building until it is approved by your building department. It’s rare but sometimes building design adjustments need to be made, and it’s essential to make those adjustments before being put into production to avoid significant added costs.

By Building Type

MOST BUILDINGS REQUIRE A PERMIT IN MOST PLACES — some examples below

Residential

  • Garage/Workshop: Required over 200 sq ft in most counties
  • Barndominium: Full residential permit — always required
  • ADU: Building + zoning permits required
  • Shed: Often exempt under 200 sq ft — check your county

Commercial

  • Warehouse: Building, electrical, sometimes fire permits
  • Retail/Office: Full commercial permitting process
  • Hangar: Airport authority approval + building permit
  • Storage Facility: Building + zoning + sometimes conditional use

Agricultural

  • Hay/Equipment: Often exempt in rural counties on ag-zoned land
  • Livestock Shelter: Usually exempt under ag exemption rules
  • Riding Arena: May require permit if enclosed or electrified
  • Mixed-Use: If any part is residential or commercial, full permit applies

Permit Prep

COMMON PERMIT INFORMATION TO HAVE READY

Most building departments will ask for some combination of these. Knowing them up front will save you weeks on the permit timeline.

Snow Loads

Ground snow load (psf) for your site — varies dramatically by elevation and county. ASCE Hazard Tool is the standard reference.

Wind Loads

Design wind speed (mph) and exposure category. Pulled from ASCE Hazard Tool for your address.

Collateral Loads

Any extra dead load on the structure: HVAC equipment, sprinkler systems, mezzanines, hoists. Affects engineering.

Height Restrictions

Maximum allowed building height for your zone. Some HOAs and view-corridor zones impose hard caps.

Setbacks

Required distance from property lines, easements, septic systems, and roads. Different per zone.

Square-Footage Restrictions

Maximum building footprint or total enclosed area allowed on your parcel.

Building Type / Zoning

Confirm intended use is permitted in your zoning district (residential, commercial, ag, mixed-use, etc.).

Our Process

The Stages of the Permitting Process

What NatMar handles depends on your building location and project type. If you’re in the Western Slope of CO and we’re supplying and constructing your building, then we offer to do the permits for you. If you’re outside of Mesa, Montrose, or Delta counties, you’ll either need to handle the permits yourself or have your contractors handle them for you.

01

Stamped Engineering

Every NatMar building ships with stamped engineered plans specific to your project. This document is essential for any building permit. Depending on the framing system, stamped foundation plans can also be included.

02

Site Plan

Preparing the site plan showing your building footprint in relation to property lines, setback distances, other structures, septic systems, and utility connections. Most counties require this with the application for all building types.

03

Submission

Every department has its own additional submittals they require. Call them and get all the paperwork you need, and expect to make some adjustments. Submit everything, wait for approval, and start building!

Local Knowledge

Western Slope Counties We Work In

Delta County

Our home base. We know the building department, the inspectors, and the turnaround times. Ag exemptions available on qualifying parcels.

Mesa County

Grand Junction and surrounding areas. Commercial and residential permits processed through Mesa County Building Department.

Montrose County

Montrose, Olathe, Nucla. County building department handles unincorporated areas. City of Montrose has separate requirements.

Other Areas

If you’re outside the Western Slope, use the Permit Guide to help out your GC or your own permit journey. Always be sure to check your local building department for anything they want or need.

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