Key takeaways

  • Some cities exempt small sheds. Others don't. Denver exempts demolition of structures of 200 square feet or less and 8 feet tall or less. Aurora's homeowner brochure lists demolition as needing a permit "Always."
  • The rule for building a shed is not the rule for tearing one down. The model code exempts building small accessory structures, but many cities write their demolition rules separately. Ask about demolition by name.
  • Utilities are their own step. Power, gas and water to a shed have to be shut off and made safe first. Removing wiring or piping can need its own permit.
  • Colorado has a state asbestos rule for demolition. CDPHE requires an inspection and a demolition notice for demolitions, with a 10-working-day wait. Whether a small shed falls under it is worth confirming with CDPHE directly.
  • Historic districts and HOAs can add approvals. Neither replaces the city permit, and the city permit doesn't replace them.

Before you take down an old shed, it's worth one phone call to find out whether you need a permit. The answer is often "no" for a small, unwired shed. But that isn't true everywhere, and it isn't the whole picture even where it is true. This guide shows what real building departments say, explains where the common 200 square foot number comes from, and covers the extra steps people miss: utilities, asbestos, historic review and the HOA.

We quote each rule from the official page we read, with the date where the page has one. Rules change. Treat everything here as a starting point and confirm with your own building department before work starts.

The short answer

Ask yourself four questions about the shed:

  1. How big and how tall is it? Measure the floor area and the height. Exemptions where they exist are written in square feet and sometimes feet of height.
  2. Does anything run to it? Electrical wiring, a gas line or a water line changes the job, even where the shed itself is exempt.
  3. Where is the property? City limits or county, historic district or not, HOA or not.
  4. How old is it, and what is it made of? In Colorado, the state asbestos rule for demolition has its own requirements, separate from the city's.

A small plastic or metal kit shed with no utilities, outside a historic district, is the case most likely to need nothing. A large, wired, older wood shed in a historic district is the case most likely to need several sign-offs. Most sheds fall in between.

What real building departments say

Here is what four Colorado jurisdictions, the state asbestos regulator, the federal asbestos rule and the model residential code say about demolishing a detached accessory structure like a shed. Each row reports only what that source says. Don't apply one city's rule to another.

Shed demolition rules from official sources (checked October 2026)
JurisdictionWhat the source saysSource
Denver, COFull or partial demolition requires a permit unless exempt. "Demolition of a structure less than or equal to 200 square feet and less than or equal to 8 feet in height does not require a permit. Examples include sheds and pergolas." For a permitted demolition, utilities must be shut off, cut off, capped or otherwise controlled. A sewer cutoff record and CDPHE approval are part of the application. Landmark demolition review is not required for accessory structures unless they are in a historic district, on the site of an individual landmark, or 1.5 stories or taller.Denver demolition permits
Pikes Peak Regional Building Dept. (Colorado Springs, El Paso County and nearby towns)"A wrecking permit is required when an entire structure is being removed." It requires a licensed wrecking contractor ID, insurance including XCU coverage, proof of gas and electric cutoff from the utility, and a CDPHE asbestos permit. The handout does not mention a shed exemption. Separately, building a one-story detached accessory structure up to 200 sq ft on grade is exempt from a building permit.PPRBD wrecking handout (02/21/24); PPRBD exempt work
Aurora, COThe city's homeowner brochure lists "Demolition" as needing a permit "Always." It says building a shed needs a permit only above 120 square feet in floor area. The brochure is dated March 2019 and is still linked from the city's permits page.Aurora DIY brochure
Fort Collins, CO"A separate demo permit is required for each Residential building or detached structure." The guide lists a $65 building permit fee, a waste management plan, a homeowner affidavit for owners demolishing on their primary residence, and a State Demolition Approval Notice for complete demolition. Separately, building sheds up to 120 sq ft and 8 ft tall is exempt from a building permit.Fort Collins demo guide (rev. 6/2/2023); Fort Collins building permits
State of Colorado (CDPHE)"You must provide notification for all demolitions of all facilities." The area to be demolished must be inspected by a Colorado-certified asbestos inspector. A demolition notice is required "even if no asbestos was found," with a 10-working-day wait. The demolition notice fee is $50 plus $5 per 1,000 square feet of footprint.CDPHE asbestos guidance; Reg. 8, Part B, Sec. III
Federal (EPA asbestos NESHAP)Covers demolitions of facilities "excluding residential buildings that have four or fewer dwelling units." EPA says homes demolished as part of a commercial or public project are not exempt.EPA asbestos NESHAP
Model code (2021 IRC)R105.1 requires a permit to "demolish" a building or structure. R105.2 lists one-story detached accessory structures up to 200 square feet among work not needing a permit. Cities adopt and amend this code, so local rules differ.2021 IRC R105

Even these four neighboring Colorado jurisdictions do it four different ways. Denver writes a demolition exemption by size and height. PPRBD's handout says a wrecking permit is required to remove an entire structure. Aurora's brochure says demolition always needs a permit. Fort Collins asks for a permit for each detached structure. If you live in one of these places, these are real starting points. If you live elsewhere, they show why you have to check.

Beyond Colorado: seven big-city examples

Outside Colorado the spread is just as wide. Three cities exempt small sheds from a demolition permit, three require a permit for any structure, and one ties demolition to whether the shed needed a permit to build. Separate air-quality rules on asbestos can still apply even when the city doesn't need a permit.

Shed and accessory-structure demolition rules in seven cities, from official sources (checked October 2026)
CitySmall shed exempt from a demolition permit?Also worth knowing
San Diego, CAYes, in two cases. No permit for a structure exempt from a building permit (tool and storage sheds with 120 sq ft or less of projected roof area), or for "a one-story frame structure that is 500 square feet or less in area, and not served by a sewer, electrical, or gas system." Neither exemption applies to historical resources or designated districts.Open plumbing and sewer lines must be capped "whether a demolition permit is required or not." A permitted demolition costs $360.36 in plan check plus $332.48 in inspection fees.
Seattle, WAYes, under 120 sq ft. No permit to remove "a one-story accessory structure with roof area less than 120 square feet" on pier blocks or a slab on grade.Puget Sound Clean Air Agency requires an asbestos survey before demolition. Its notification applies to structures with "a projected roof area greater than 120 square feet."
Portland, OROnly for larger sheds: a permit is needed to demolish a structure over 200 sq ft or taller than 15 ft (400 sq ft on lots over 2 acres). The city's rule says "if a permit is required to construct a structure a demolition permit is required to demolish a structure." Its site-control provisions apply to accessory structures over 200 sq ft.Oregon DEQ requires an accredited asbestos survey before demolishing a residence built before 2004. The 35-day demolition delay does not apply to garages or other outbuildings.
Chicago, ILYes, under 150 sq ft. The demolition permit page excepts "small sheds and other structures that do not require a building permit to construct." No building permit is needed to install, alter or remove a one-story detached shed with no plumbing, no more than 15 feet tall, with a footprint of 150 sq ft or less.Garages always need a permit. Permitted demolition needs sewer and water disconnection permits (or written waivers) and a licensed general contractor.
Charlotte / Mecklenburg County, NCNo exemption found. "If the structure (commercial or residential) must be torn down/demolished, a building permit will be required," and each accessory structure needs its own demolition permit. Homeowner accounts can't apply; a bonded contractor must.The county's 2026 fee is $500 per structure under 500 sq ft, covering code enforcement, air quality, environmental health and historic landmarks review.
Phoenix, AZNo exemption found. "A separate demolition permit application shall be required for each building or structure that will be demolished."The 2026 fee schedule lists $98 for a single-family structure, including single-family accessory buildings.
Los Angeles, CANo exemption found. "No person shall demolish any building or structure unless he/she has obtained a permit." A house and its accessory buildings on the same lot can share one permit.A sewer cap permit is needed if the building has a sewer line. Buildings over 45 years old need 30 days' notice to neighbors before the permit issues.

Notice the trap in the San Diego and Portland rows: the exemption depends on the shed having no sewer, power or gas, or on its size when built. A wired shed or a large one can need a permit even where small sheds don't.

Where the 200 square foot number comes from

Many people have heard that sheds under 200 square feet don't need a permit. That number comes from the International Residential Code (IRC), the model code most US cities adopt for houses, usually with local changes.

Section R105.1 of the 2021 IRC says anyone who intends to "construct, enlarge, alter, repair, move, demolish or change the occupancy of a building or structure," or to "remove" an electrical, gas, mechanical or plumbing system, must first get the required permit. Section R105.2 then lists work exempt from permits. Its first building item is: "Other than storm shelters, one-story detached accessory structures, provided that the floor area does not exceed 200 square feet."

The same section opens with a warning. Exemption from permit requirements "shall not be deemed to grant authorization for any work to be done in any manner in violation of the provisions of this code or any other laws or ordinances of this jurisdiction."

Why the building exemption may not cover demolition

Here is the part that is genuinely uncertain. The IRC's exemption names the structure, not the activity. It doesn't say "constructing" a small shed is exempt. It says permits aren't required for the structure. You could read that as covering demolition of a small shed too. But cities handle demolition in their own ways, often in a separate part of their code or a separate permit type, and we found clear examples where the two rules differ:

  • Aurora exempts building a shed up to 120 square feet, but its brochure says demolition needs a permit "Always."
  • Fort Collins exempts building a shed up to 120 square feet and 8 feet tall, but its demolition guide says a separate demolition permit is required for each detached structure.
  • Denver wrote its own demolition exemption with two limits, 200 square feet and 8 feet tall. A shed can meet one limit and fail the other.
  • PPRBD exempts building accessory structures up to 200 square feet, while its wrecking handout says a permit is required when an entire structure is removed.

Also, cities don't all use the IRC's 200 square feet. Aurora and Fort Collins use 120 square feet for building a shed. So don't assume the national number, and don't assume the building number applies to demolition. When you call, ask about demolition by name.

Utilities: power, gas and water come first

Many sheds have no utilities at all, which keeps things simple. If yours has a light, an outlet, a heater, a sink or a hose bib fed through the shed, plan for that work before the teardown.

  • Electrical. A circuit running to a shed has to be de-energized and properly terminated, not just cut where it enters the wall. Under the model code, removing an electrical system is work that needs a permit. In practice that usually means a licensed electrician. Some cities let an owner-occupant do their own work under a homeowner permit, so ask.
  • Gas. A gas line to a shed heater must be shut off and capped by someone qualified. For permitted demolitions, PPRBD asks for proof of gas and electric cutoff from the utility. Denver points applicants to Xcel Energy's demolition application for gas and electric.
  • Water and sewer. Denver's demolition page directs people to Denver Water for water service and requires a sewer cutoff record. Denver also requires utilities to be shut off, cut off, capped or otherwise controlled before demolition. A shed with only a hose running to it is a different case from a plumbed potting shed, but tell your building department either way.

If you plan to remove posts, piers or a buried line along with the shed, that is digging. Colorado 811 says you must contact it "at least three business days before you dig," and the service is free. Other states have their own 811 centers. Our shed foundation removal guide covers slabs, piers and gravel pads.

Rather not deal with it? Send us photos of the shed, the route out to the street or alley, and anything that's wired or plumbed. We'll tell you what we can take down and haul away, and what needs an electrician or a permit first.

Get a shed removal quote ↗

Asbestos: what applies to a residential shed

Asbestos is where people most often over- or under-state the rules. Here is what the sources actually say.

The federal rule usually doesn't reach a homeowner's shed

The EPA's asbestos NESHAP sets inspection, notice and work practice rules for demolitions. EPA says it applies to facilities "excluding residential buildings that have four or fewer dwelling units." EPA also says homes demolished as part of a larger commercial or public project, like a highway or shopping center, are not exempt. For a homeowner taking down a backyard shed, the federal rule is generally not the one that governs. State and local rules can be stricter, and Colorado's is.

Colorado's Regulation 8 has no size exemption in its text

Colorado's asbestos rules are in Air Quality Control Commission Regulation 8, Part B, run by CDPHE. Its demolition requirements are broad:

  • Definition of facility. The regulation defines "facility" to include "any institutional, commercial, public, industrial, or residential structure, installation, or building." We found no minimum size and no mention of sheds or accessory structures in the definitions.
  • Definition of demolition. Demolition is "the wrecking or removal of any load-supporting structural member of a facility," plus handling the debris, burning it, or moving it off a permanent foundation.
  • Inspection. CDPHE says the building or area to be demolished must be inspected by a Colorado-certified asbestos inspector. Buildings built after October 12, 1988 can be exempt from the inspection only if an architect, engineer or certified inspector completes the state's form saying no asbestos was used. CDPHE still recommends an inspection regardless of age.
  • Notice and wait. "A Demolition Notification Application Form must be submitted to the division, even if no asbestos was found," with a 10-working-day notification period. No demolition may start without the state's approval notice.
  • Fee. $50 base plus $5 per 1,000 square feet of footprint, or any portion of it.
  • Removal triggers for homes. For single-family residential dwellings, regulated asbestos must be removed before demolition if it exceeds 50 linear feet on pipes, 32 square feet on other surfaces, or the volume of a 55-gallon drum.

Colorado building departments build this into their own process. Denver lists CDPHE approval among the documents for a demolition permit. PPRBD requires a CDPHE permit for a wrecking permit. Fort Collins requires a State Demolition Approval Notice for complete demolition.

What we could not confirm

Two things are uncertain, and we'd rather say so than guess:

  • Whether a detached shed counts as part of a "single-family residential dwelling." The regulation defines that term as a structure "whose primary use is for housing of a family." A garden shed isn't housing, and the text doesn't say how detached accessory structures are classified. That affects which trigger levels and fees apply.
  • Whether CDPHE expects a notice for a very small shed that a city exempts from its own permit. Denver's size exemption is a city building code rule. It doesn't mention the state rule, and the state rule's text has no size exemption.

If you're in Colorado, email CDPHE at cdphe.asbestos@state.co.us with the shed's size, age, materials and photos, and ask what applies. Keep the reply. Outside Colorado, ask your state's air quality or environmental agency whether residential accessory structures are covered.

Older sheds can hide other problems too, from lead paint to rodent droppings to old chemicals left inside. See old shed hazards before you start pulling panels.

Historic districts

If your home is a designated landmark or in a historic district, demolishing even a small outbuilding can need preservation review.

  • Denver reviews demolition of all primary structures for landmark potential. For accessory structures, landmark demolition approval is required only if the structure is in a historic district, on the site of an individual landmark, or 1.5 stories tall or taller. Denver says that if staff find a building has landmark potential, demolition can be delayed by several months or prevented.
  • Fort Collins says owners of designated landmarks and properties in its landmark districts "must complete landmark design review for most exterior projects."

If you aren't sure whether your property is designated, your city's planning or historic preservation office can tell you. Denver publishes a historic landmarks and districts map.

HOA approval

A homeowners association doesn't issue building permits, and a city permit doesn't override HOA rules. Many covenants require approval for exterior changes. That can include removing a structure, or what you put in its place. Read your covenants or ask the management company before booking the work, and get any approval in writing.

How to check your own address

  1. Find out who has jurisdiction. If you live inside city limits, it's usually the city building department. Outside city limits, it's usually the county. Some regions share one department. PPRBD, for example, serves Colorado Springs, El Paso County and several nearby towns.
  2. Find the demolition page, not just the shed page. Search your city's site for "demolition permit" and "work exempt from permit." Read both. If the shed page only talks about building a shed, it doesn't answer your question.
  3. Measure the shed. Get the floor area and the height before you call. Denver's exemption, for example, depends on both.
  4. Call and ask four specific questions. "I want to demolish a detached shed, about [size] square feet and [height] feet tall, [with / with no] electrical, gas or water. Do I need a demolition permit? Do I need a separate permit for the utilities? Is my property in a historic district? Does the state require an asbestos inspection or notice?"
  5. Check the state asbestos rule. In Colorado, that's CDPHE. Elsewhere, ask the building department which state agency handles asbestos for demolition.
  6. Check your HOA covenants if you have an HOA.
  7. Write down the answer. Note the name of the person you spoke with, the date and what they said. If the answer is "no permit needed," ask whether they can confirm it by email.

We collect the published rules for cities we serve on our service area pages, starting with Denver and Colorado. Where we can't confirm a rule, we say so.

What happens if you skip a required permit

The building department can stop the work, and your city may charge penalties. A shed removed without a required permit can also come up later, for example in a home sale, if records still show a structure that is no longer there. In Colorado, starting a covered demolition without the state approval notice is a separate issue from the city permit.

Once you know the rules

If it turns out no permit is needed, you can choose between doing it yourself and hiring it out. Our teardown guide walks through the job step by step, and the disposal and recycling guide covers where the debris can go. If the shed is still sound, consider selling or giving it away or moving it instead. For budgets, see shed removal cost and our pricing page.

Want it handled? Tell us the shed's size, what's inside, what it sits on and what stays. We'll quote from your photos and flag anything your city or state may need first.

Get a shed removal quote ↗

What this page is not

This page is not legal advice and it is not a code reference. We quote official pages as we found them in October 2026. Cities update codes, fees and handouts, and the Aurora brochure we cite dates from 2019. Only your building department, and in Colorado CDPHE, can answer for your address.

Frequently asked questions

Do I need a permit to tear down a shed?

It depends on your city and the shed. Denver exempts demolition of structures of 200 square feet or less and 8 feet tall or less. Aurora's homeowner brochure lists demolition as always needing a permit. Call your building department with the shed's size and height before you start.

If my shed didn't need a permit to build, does it need one to remove?

Not necessarily the same answer. Aurora lets you build a shed up to 120 square feet without a building permit but lists demolition as always needing a permit. Fort Collins says a separate demolition permit is required for each residential building or detached structure. Ask about demolition specifically.

How much is a shed demolition permit?

Fort Collins lists a $65 building permit fee in its residential demolition guide. In Colorado, the state's demolition notice is $50 plus $5 per 1,000 square feet of footprint, separate from any city fee. Denver shows its fee in its online permit system.

Do I need an asbestos inspection to demolish a shed?

In Colorado, the state rule requires an asbestos inspection and a demolition notice before demolishing a facility, and it has no size exemption in its text. Whether a small backyard shed falls under that rule is something to confirm with CDPHE. Outside Colorado, check your state's air quality agency.

Does the electricity need to be disconnected before shed demolition?

Yes. Any circuit to the shed has to be dead and made safe before the walls come down. Removing wiring is electrical work, and the model residential code lists removing an electrical system as work that needs a permit. A licensed electrician can tell you what your city requires.

Can my HOA stop me from removing a shed?

An HOA can't issue or waive a city permit, but its covenants may require approval for exterior changes. Read your covenants or ask the management company before you book the work.

Sources