GPIS delivers comprehensive construction, remodeling, and professional services—from new builds to complete renovations, plumbing, gas systems, and specialized solutions. Licensed, insured, and committed to excellence in every project.
Complete projects from foundation to finish
Complete new construction projects—from site preparation and foundation to final inspections. We coordinate all trades and ensure code compliance throughout.
Kitchen remodels, bathroom renovations, additions, basement finishing, and whole-home updates. We manage the entire process with clear communication.
We handle permits, inspections, scheduling, and coordination of all trades—delivering your project on time and within budget.
Specialized plumbing, gas, and drain solutions
New installations, repairs, fixtures, water heaters, rough-ins, trim-outs, and troubleshooting. We support both new construction and remodeling projects.
Gas line installations, repairs, appliance connections, pressure tests, and code-compliant work. Licensed and insured for safe operation.
Camera inspections, hydro-jetting (up to 300'), drain cleaning, sewer repairs, and maintenance programs. We diagnose correctly before recommending solutions.
Professional standards, quality craftsmanship, and reliable execution
Fully licensed contractors with comprehensive insurance coverage. We meet all local code requirements and pass inspections the first time.
We use premium materials and proven methods to ensure your project stands the test of time. No shortcuts, no compromises.
Regular updates, transparent pricing, and detailed timelines. You'll always know where your project stands and what's next.
Licensed coverage varies by jurisdiction — ask us and we'll confirm quickly
Including WSSC area and surrounding counties (as applicable).
Residential & small commercial work, permits and inspections as needed.
Coverage depends on license/permit requirements—tell us your address.
Recent projects showcasing our quality craftsmanship
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Contact us for a free consultation and detailed estimate
Phone/Text: (301) 204-6233
Email: info@gpis.llc
Hours: Mon–Sat • Emergency service available
Common questions
Yes—we manage complete new construction projects from foundation to final inspection, coordinating all trades and ensuring code compliance throughout.
We handle kitchen remodels, bathroom renovations, additions, basement finishing, whole-home updates, and more. We can manage the entire project or specific phases.
Yes—we coordinate all required permits and ensure work passes inspections the first time. We handle the paperwork so you don't have to.
Absolutely. We're fully licensed, bonded, and insured. We maintain all required certifications and meet local code requirements.
Yes—we provide service in both English and Spanish. Hablamos español.
We serve Maryland (including WSSC area), Washington DC, Virginia, and surrounding areas. Contact us to confirm coverage for your specific location.