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Services

Alpha Design & Contractor provides professional general contracting, remodeling, roofing, painting, plumbing, basement finishing, and carpentry services throughout Philadelphia and the Lehigh Valley. We combine skilled craftsmanship with local expertise to deliver projects that meet code requirements, stay on schedule, and exceed expectations.

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What are our General Contracting Services

Managing a construction project can be overwhelming when multiple trades, permits, and inspections are involved. As your general contractor, we oversee every phase of the project, from planning and permitting to final inspections.

Our services include:

  • Permit applications and Philadelphia L&I compliance
  • Design-build project coordination
  • Licensed subcontractor scheduling
  • Inspection management
  • Historical district compliance
  • Residential and commercial renovations
  • Project timelines and progress updates

Whether you’re renovating a rowhouse, upgrading a commercial property, or building from the ground up, we provide one point of contact and complete project accountability.

Alpha Design Contractor on the Tractor

Home Remodeling

Philadelphia homes often require updates that balance modern functionality with the character of older construction. Our remodeling team specializes in transforming outdated spaces into beautiful, practical living environments. Services include: Full-home renovations Kitchen remodeling Bathroom remodeling Drywall installation and repair Flooring installation Siding replacement Door and window upgrades Every remodel begins with a detailed scope of work, transparent pricing, and a realistic timeline.
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Interior & Exterior Painting

A quality paint job starts long before the first coat is applied. Proper preparation ensures a finish that looks great and lasts for years. Our painting services include: Interior wall, ceiling, and trim painting Exterior painting for brick, stucco, wood, and siding Cabinet refinishing Surface repairs and patching Deck and fence staining Commercial painting services Low-VOC and eco-friendly paint options We protect your home with floor coverings, masking, and thorough cleanup after every project.
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Plumbing Service

Many Philadelphia homes still contain aging plumbing systems that require upgrades or repairs. Our licensed plumbers work on both older and modern systems while ensuring all work meets local code requirements. Plumbing services include the following: Water line replacement Drain line repair Kitchen and bathroom plumbing Fixture installation Water heater replacement Sump pump installation Sewer camera inspections Basement plumbing rough-ins Every plumbing project is completed with the appropriate permits and inspections when required.
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Roofing Service

Philadelphia's climate can be tough on roofs. Freeze-thaw cycles, storms, and aging materials often lead to leaks and structural concerns. Our roofing team installs and repairs residential and commercial roofing systems built to withstand local weather conditions. Roofing services include: Asphalt shingle roof replacement Flat roofing systems (TPO, EPDM, and modified bitumen) Roof leak repairs Flashing and ventilation improvements Gutter installation Storm damage repairs Commercial roofing solutions All roofing projects include manufacturer-backed warranties and code-compliant installation practices.
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Basement Finishing & Waterproofing

A finished basement can significantly increase your home's usable space and value. Before any finishing work begins, we address moisture issues to ensure a dry, healthy environment. Basement services include: Waterproofing systems French drains and sump pumps Egress window installation Insulation upgrades Framing and drywall installation Basement bathrooms Home offices, entertainment rooms, and in-law suites Our team ensures all basement projects comply with Philadelphia building regulations and safety requirements.
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Carpentry Service

Custom carpentry adds character, functionality, and value to your property. Our skilled craftsmen deliver both structural and finish carpentry solutions. Carpentry services include: Structural framing Built-in shelving and storage Staircase construction and repairs Crown molding and trim work Window and door casings Custom mudrooms and closets Deck framing and outdoor structures From detailed finish work to major structural projects, we focus on precision and durability.
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Get a Free Estimate !

Whether you’re planning a renovation, roof replacement, basement finishing project, or custom remodel, Alpha Design & Contractor is ready to help. Contact us today for a free estimate and discover why homeowners and businesses throughout Philadelphia trust our team for reliable, high-quality construction services.

(484)554-7498

Why Choose Alpha Design & Contractor?

Homeowners and businesses throughout Philadelphia trust us because we prioritize communication, professionalism, and quality workmanship.

What sets us apart:

  • Licensed and insured professionals
  • Extensive experience with Philadelphia homes
  • Knowledge of L&I permits and local codes
  • Transparent written estimates
  • Clean and organized job sites
  • Real-time project updates
  • No hidden fees or surprise costs
  • Free consultations and estimates

We believe every project deserves careful planning, skilled execution, and respect for your property.

Why Choose Alpha Design & Contractor

Frequently Asked Questions

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Yes. We coordinate all necessary trades, including plumbing, carpentry, painting, and other specialists, so you only work with one contractor.

Absolutely. We install and repair flat roofing systems commonly found on Philadelphia homes and commercial buildings.

Most projects begin within a few weeks of contract approval, depending on permit timelines and project scope.

In most cases, yes. Projects involving plumbing, electrical, or structural modifications typically require permits, which we handle for you.

Get The Best Basement Remodeling Solutions

  • Professional Staff
  • 100% Satisfaction
  • Accurate Testing
  • Transparent Pricing

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Service Areas

  • Bethlehem
  • Catasauqua
  • Coplay
  • Easton
  • Whitehall
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