Asbestos removal in Pittsburgh and Allegheny County

Updated October 2026 · 7 public sources cited

Pittsburgh's houses are old even by Rust Belt standards: the median home in the city was built in 1942, and nearly half predate 1940.¹ Homes from those decades can contain asbestos in pipe wrap, boiler insulation, floor tile and some plaster and textured finishes. Here is how removal works locally, who is allowed to do it, and what the county requires.

More Pittsburgh asbestos guides

First question: leave it, repair it, or remove it?

Federal guidance is blunt that undamaged asbestos is usually best left alone. EPA says material in good condition that won't be disturbed generally won't release fibers, and for slightly damaged material the best step may be to limit access and not touch it.⁴ Removal makes sense when you are remodeling around it, when it is badly damaged, or when you are selling and a buyer wants it gone.

There are two kinds of repair that leave the material in place: encapsulation (a sealant that binds or coats it) and enclosure (wrapping or covering it). EPA notes that pipe, furnace and boiler insulation can sometimes be repaired this way, which matters in a city full of basement boilers and steam pipes.⁴

What Allegheny County requires

ACHD enforces asbestos rules under Article XXI of its air pollution regulations, covering the whole county, including Pittsburgh. Key points from the department's asbestos program page:²

• Homeowners working on their own home are exempt. Private owners of residential buildings with four or fewer units fall outside the permit rules for work on their own home.
• A permit is needed for regulated buildings when the work disturbs 160 square feet or more of asbestos-containing material.
• Every demolition needs a survey and notice, filed with ACHD at least 10 days ahead, even where no permit is required.
• Former businesses count. A house that was converted to commercial use, or was ever used as a business, can still be subject to the rules.
• Contractors must hold an ACHD license, and violations can draw fines of up to $25,000 per violation per day.

If your project involves a rental with five or more units, a storefront below an apartment, or a full teardown, ask the contractor up front which ACHD filings they will make.

Pennsylvania's certification rule

Separately from the county, the Pennsylvania Department of Labor & Industry certifies asbestos workers, supervisors, inspectors, project designers and contractors under Act 194 of 1990.³ The law's private-residence exemption is narrow: it covers an owner who lives in the home and does the work personally. Once you pay someone else to remove asbestos, that person and the company need L&I certification, and disposal rules still apply either way.⁵

PA DEP adds that it does not regulate removal from private residences, except apartment buildings with five or more units.⁶ In practice that leaves ACHD and L&I as the two agencies a Pittsburgh homeowner should know.

Hiring well in Pittsburgh

• Ask for the L&I certification and the ACHD license. A legitimate abatement company will show both without hesitation.³²
• Consider a separate inspector. EPA recommends that the professional who assesses the need for removal not be connected to the firm that does it, to avoid a conflict of interest.⁴
• Get the scope in writing: which materials, how the area will be sealed, wet methods, HEPA cleanup, and how waste will be bagged and disposed of.⁴
• Plan around the boiler. If old pipe insulation is on an active heating system, ask whether encapsulating or jacketing it is an option before you commit to removal.⁴

Costs are covered on the Pittsburgh asbestos removal cost page, and testing on the Pittsburgh asbestos testing page.

General information summarized from the public sources listed below. It isn't professional, medical or legal advice. A licensed professional who inspects your home can tell you what it needs.