Construction companies in Pittsburgh: 5,711 contractors, the city license and the permit file

This report is for property owners and developers choosing a contractor in the Pittsburgh area, people sizing up the market for a job, partnership or acquisition, and B2B sellers whose customers are builders and trades. It covers the Census count, the licensing rules that actually apply in the city, the public permit file and how to prospect the market.

Pittsburgh construction in numbers

US Census Bureau County Business Patterns (CBP) 2023, construction sector (NAICS 23), Pittsburgh, PA Metro Area (CBSA 38300):

Average pay sits just above the national construction figure of $76,580 (our calculation from the CBP state files), and the typical establishment is a little larger than the national 9.4 employees.

Eight counties, one dominant

Allegheny County holds 47% of establishments and 53% of jobs. Washington County, south of the city, is the outlier: it has fewer firms than Westmoreland but half again as many construction employees, and five of its establishments employ 250 to 499 people. If you sell to larger crews, it deserves its own territory rather than being treated as a suburb.

What Pittsburgh's contractors do

Two rows stand out against the national averages in the same CBP release. Roofing contractors in the metro average 31.3 employees, against 8.4 nationally, which points to commercial and industrial roofing crews rather than the one-truck residential roofers common elsewhere. Highway, street and bridge contractors average 43.6 against 34.0 nationally, in a region where bridges and retaining walls are a large share of public work. Remodelers outnumber new-home contractors more than four to one.

Size

In broader bands, 5,106 establishments (89.4%) have 1 to 19 employees, 524 have 20 to 99 and 81 have 100 or more. The Census Bureau doesn't split the top two classes for this metro; the published cells leave two establishments with 500 or more employees between them.

What the count covers: establishments (single locations) with paid employees, not companies, so a contractor with an office in the Strip District and a yard in Washington County counts twice. Self-employed contractors with no payroll aren't included, and a head office can be classified outside construction.

Three checks before you hire in Pittsburgh

Pennsylvania doesn't license general contractors at state level, so the checks depend on where and what you're building.

1. City of Pittsburgh general contractor license. The city requires one for all work under a commercial Building and Development Application, for new one- and two-family dwellings, for renovations or additions to one- and two-family homes that are rental or investment properties, and for most demolition. Applicants need general liability insurance of $1,000,000 per occurrence and $2,000,000 aggregate with the city as additional insured, workers' compensation, an EPA lead-safe (RRP) certification and a city tax compliance letter. Licenses expire 365 days after issue, so ask for the current one.
2. State home improvement registration. Under Pennsylvania's Home Improvement Consumer Protection Act, a contractor doing $5,000 or more of home improvement a year must register with the Attorney General's Bureau of Consumer Protection, carry at least $50,000 of personal injury and $50,000 of property damage liability insurance, and print its registration number on every advertisement, estimate and contract. No number on the proposal is a red flag.
3. Trade licenses. The city licenses electrical, mechanical and fire suppression contractors; plumbing permits in the city go through the Allegheny County Health Department, not the city.

Then confirm the insurance with the issuer, not just the certificate.

What the city's permit file shows

The City of Pittsburgh publishes every permit issued by its Department of Permits, Licenses and Inspections through the Western Pennsylvania Regional Data Center, updated daily, with work type, description, stated project value, address and neighborhood. For permits issued in calendar 2025:

The city also issued 2,868 electrical permits, 1,014 mechanical permits and 139 demolition permits that year. The largest new-construction records include a $70.1 million wet weather pump station in Marshall-Shadeland and a $68.3 million university lab and office building in North Oakland. Residential work in the city is almost all alterations: 57 new homes against 3,005 additions and alterations. The contractor field is blank on most building records, so use the file to find projects and owners, then work out who is building them.

Selling to Pittsburgh contractors

The trade mix tells you where to start. Roofing and bridge contractors are few but large, with crews that buy safety equipment, training and fleet services at volume. Plumbing, HVAC and electrical firms (1,385 establishments together) buy parts, vans and service software in small, frequent orders. Remodelers buy from showrooms and lumber yards and rarely have anyone but the owner to talk to. Once you have the companies, our guide on finding decision makers shows how to reach the right person at each.

Illustrative example. Allegheny Fall Protection and its prices are made up; the establishment and employee counts are CBP 2023 figures.

Allegheny Fall Protection (alleghenyfall.example) sells harness systems, anchors and annual training to contractors who work at height. Its first list is roofing (145 establishments, 4,543 employees) and highway and bridge contractors (94 establishments, 4,103 employees): 239 accounts employing 8,646 people. If it wins 12% of them, about 29 accounts, and those firms average 36 workers each at $350 of gear and training per worker a year, that's roughly $365,000 a year. The research that matters is who has a new bridge letting or a large commercial reroof starting. Bebop can build that list from a sentence describing it, with a researched playbook for every contractor on it.

Sources for names

For the region's concrete and steel suppliers, see the Pittsburgh concrete companies report; for the rest of the state, the Philadelphia construction companies report.

Next step: turn these segments into a working list with the construction companies industry guide.