PG Builders and Potomac Services & Roofing Systems in Baltimore: Full-Scale Residential and Commercial Roofing
PG Builders and Potomac Services & Roofing Systems is a licensed, insured roofing contractor serving Baltimore and the surrounding region with both residential replacement and commercial maintenance work. The company handles everything from single-family asphalt shingle jobs to flat-roof systems on larger structures, positioning itself as a general contractor rather than a specialty outfit.
What the company does
PG Builders and Potomac Services operates as a full-service roofing firm licensed to work across Maryland. They handle residential re-roofing (typically asphalt shingles, architectural shingles, and some metal options), flat commercial roofing, repairs, and inspections. The company also offers gutter installation and replacement as an ancillary service. They serve owner-occupants, property managers, and commercial building owners. Work ranges from emergency leak repairs to planned multi-year replacement projects on apartment complexes.
Materials, warranties, and what to expect
Residential jobs typically center on asphalt shingles, which dominate Baltimore's housing stock and cost least upfront. Architectural (laminated) shingles run higher than three-tab but last 25 to 30 years versus 20 to 25 for standard products. Metal roofing is available for customers willing to pay 40 to 60 percent more but seeking durability in a humid climate where algae and moss are common concerns.
Warranty terms vary by material and manufacturer. Standard asphalt shingles carry a 25 to 30-year manufacturer defect warranty, though Baltimore's wet springs and hot summers can shorten real-world life. Metal roofs often come with 40 to 50-year warranties. Verify the specific warranty tier when requesting an estimate, as manufacturer coverage and workmanship guarantees are separate and affect your recourse if premature failure occurs.
Licensing, insurance, and the estimate process
PG Builders holds Maryland roofing license and carries liability and workers' compensation insurance. Ask for proof of both before work begins; this protects you if a worker is injured or if damage to adjacent property occurs during installation. Baltimore requires permits for roof replacement on most residential properties; the contractor should handle permit applications and inspections as part of the job.
The estimate process typically involves an in-person inspection. The roofer will assess existing conditions, measure square footage, note flashing and ventilation details, and identify any structural issues or rot. Request two to three estimates from different contractors to compare pricing and scope. Avoid estimates given over the phone or from photos alone; Baltimore's varied roof shapes, decking conditions, and attic ventilation require on-site assessment.
How it compares to other Baltimore roofers
Baltimore has no shortage of roofing contractors, ranging from one-person operations to large regional firms. Companies like Owens Corning-certified installers and national chains offer consistency and corporate backing but may charge premium labor rates and push toward higher-end materials. Smaller local contractors often undercut on price but vary widely in insurance status and follow-through on permits.
PG Builders and Potomac Services positions itself as mid-market: established enough to carry proper licensing and insurance but not so large that you're paying corporate overhead. Choose this firm if you want a contractor with multiple crews and project capacity (relevant if you're a property manager with several units). Choose a smaller outfit if you have a single-family home and want to negotiate tightly on price. Choose a national brand if you prioritize warranty coordination and don't want to track down a contractor if issues arise years later.
Who this fits and who it doesn't
This company suits homeowners in Baltimore's older neighborhoods (Canton, Federal Hill, Roland Park) who need re-roofing on conventional pitched roofs, and property owners managing multi-unit buildings with commercial flat-roof needs. The firm also works well if you need repairs coordinated with gutter replacement or if your roof is deteriorating faster than you expected (Baltimore's humidity and freeze-thaw cycles accelerate moss and ice-dam damage).
It is less ideal if you are seeking ultra-premium materials (slate, standing seam metal in architectural finishes) or if you prefer a one-person operation where you speak directly to the owner every time. It may not be the fit if cost is the absolute deciding factor and you're willing to hire an uninsured contractor or skip the permit process.
First visit and timeline
Call or email to request an estimate. A crew member will visit, inspect the roof and attic (if accessible), photograph conditions, and provide a written quote within a few days. Permit processing typically takes two to four weeks depending on Baltimore city or county backlog. Installation itself takes one to three days for a standard single-family home, longer for multi-unit or flat-roof projects. Plan for noise, debris in the yard, and the need to stay off the roof during work.
Hours, contact, and logistics
Verify current hours and availability by phone or website before scheduling. Like most roofing contractors, PG Builders works daylight hours and typically Monday through Friday, with occasional weekend availability during peak season (spring and fall). If your roof is leaking actively, call immediately and ask about emergency service; most roofing firms can at least tarp a damage area within 24 hours.
PG Builders and Potomac Services earns its place in a Baltimore guide because it represents the kind of established, licensed contractor homeowners actually need when facing a major roof replacement. It bridges the gap between fly-by-night operators and corporate chains, with the licensing and insurance that protect your investment.

