Zoning & Permit Compliance Guide

The most local category on this list, by a wide margin.

Everything else here traces back to a model code that most jurisdictions adopt in some form. Zoning does not. Zoning is written by your municipality, for your municipality, and two towns twenty miles apart can have entirely different rules for the same building.

So this guide will not tell you your setback, your sign area limit, or your parking ratio. Nobody honest can. What it can tell you is which questions get businesses in trouble.

Shop facility and site signage

The questions that cause problems

  • Is your use permitted in this zone? Not whether a similar business operates nearby, whether your specific use classification is permitted, conditional, or nonconforming
  • Did the use change without anyone filing? Retail to food service, warehouse to light manufacturing, office to assembly. A change of occupancy classification usually triggers building code requirements that were not in effect for the previous use
  • Is the certificate of occupancy current and does it match what you actually do?
  • Was work performed without a permit? Including work by a previous tenant that you inherited
  • Is your signage permitted? Sign area, height, illumination, and count are among the most heavily regulated and least understood local rules
  • Are permits displayed where required during active work?

ADA is federal, and separate

Accessible parking, routes, and entrances are governed by the ADA Standards for Accessible Design, which is federal civil rights law rather than local zoning. It applies regardless of what your municipality requires, it is enforced through complaints and private litigation as well as inspection, and compliance is not grandfathered in the way building code often is.

Accessible parking signage in particular has specific mounting height and content requirements. It is one of the few things in this guide with a national answer.

What this guide deliberately does not include

You may have seen guidance elsewhere listing downspout distances, tree setbacks from foundations, or landscaping clearances as zoning requirements. Those are drainage and maintenance practices, not zoning violations, and quoting them as code is how a guide loses credibility with anyone who has actually sat through a planning review.

Free checklist

Download the Zoning & Permit Checklist (PDF)

Where signage fits

Occupancy load posting, accessible parking identification, and site access and restriction marking are the signage items that come up in zoning and occupancy inspections. Accessible parking signs have federal requirements, so those are worth getting right rather than improvising.

Browse 8x12 aluminum safety signs or see all building and health code guides.