Close-up detail of vertical board and batten siding, custom window trim, and roof flashing installed by ISM Construction, a General Contractor in Lebanon, PA.

Your Vision. Our Expertise. A Partnership for Success.

Every successful construction project begins with a single, crucial element: trust. You need a partner who not only has the skill and experience to execute your vision but also the integrity to manage your project with transparency and a commitment to your best interests. ISM Construction is that partner.

As one of Central Pennsylvania’s most respected General Contractors, we have spent over 30 years building more than just structures; we’ve built a reputation for excellence, reliability, and unwavering client advocacy. Whether you are an architect, a developer, or a business owner, we bring a wealth of experience and a collaborative spirit to your project, ensuring it is delivered on time, on budget, and to the highest standards of quality.

Our General Contracting & Project Management Services

Large, open-concept commercial interior with vaulted ceilings and wood-look flooring, showcasing the work of ISM Construction, a General Contractor in Lebanon, PA.

Full-Service General Contracting

We take full ownership of your project's construction phase, managing all subcontractors, schedules, and quality control to deliver a finished product that meets your exact specifications.

Bright commercial office space viewed through interior glass windows and an entry door, completed by ISM Construction, a General Contractor in Lebanon, PA.

Pre-Construction & Estimating

Leverage our three decades of experience during the planning phase. We provide accurate cost estimating, value engineering, and constructability reviews to set your project up for success.

Aerial front view of a newly remodeled commercial brick and stone building, constructed by ISM Construction, a General Contractor in Lebanon, PA.

Commercial Light

From Retail Build out to Remodeling for your office space, we have the experience to manage the unique demands of commercial construction.

High-angle aerial perspective of a modern commercial office facility and parking lot, managed by ISM Construction, a General Contractor in Lebanon, PA.

Project Management & Owner's Rep

As your dedicated project manager, we act as your advocate, overseeing every aspect of the job to protect your interests and ensure a smooth process from start to finish.

Exterior facade of a modern commercial office building featuring brick and stone masonry with a fresh asphalt parking lot, completed by ISM Construction, a General Contractor in Lebanon, PA.
Bright interior hallway featuring a white door, classic gold light fixture, and clean trim work by ISM Construction, a General Contractor in Lebanon, PA.
An interior view showing a custom glass viewing window partition and white office cabinetry installed by ISM Construction, a General Contractor in Lebanon, PA.

A Foundation of Trust & Certainty

In the complex world of construction, certainty is priceless. Choosing ISM Construction as your General Contractor means choosing a partner dedicated to providing it. Our long-standing relationships with the region’s best subcontractors and suppliers, combined with our in-house team of skilled craftsmen, allow us to control quality and schedules in a way that other firms cannot.

Our commitment to transparency is absolute. Through our online client portal, you have 24/7 access to project schedules, daily logs, and financial tracking. As proud members of the NAHB, PBA, and LCBA, we operate with a level of professionalism and integrity that has made us the contractor of choice for discerning clients for over 30 years.

Our Project Gallery

Our Professional Management Process

01

Pre-Construction & Planning

We collaborate with you and your design team to establish a clear scope, a realistic budget, and a detailed project schedule, providing valuable feedback on constructability and cost.

02

Bidding & Contract

We leverage our extensive network to secure competitive, qualified bids from trusted trade partners, then present you with a transparent, fixed-price contract.

03

Active Project Management

Your dedicated Project Supervisor manages the job site with a focus on safety, quality, and communication, proactively solving challenges before they become problems.

04

Turnover & Closeout

We deliver a meticulously completed project, along with all necessary documentation, manuals, and warranties, ensuring a smooth and professional handover.

What Our Clients Say

Pricing Guide

Category Size Estimated Cost Details
New Homes

Small

Medium

Large

$350,000 – $450,000

$550,000 – $750,000

$1,000,000+

1,500 sq. ft.

2,500 sq. ft.

3,500 sq. ft.

Additions

Small

Medium

Large

$65,000 – $85,000

$180,000 – $225,000

$300,000+

Based on 14×16 Sunroom

20×30 Great Room

Full in-law quarters with kitchen

Remodels

Small

Medium

Large

$50,000

$90,000

$300,000+

Bathroom

Kitchen

Whole House

Garages and
Pole Buildings

Small

Medium

Large

$70K – $80K

$180K – $195K

$250K – $300K

Pole Bulding

30X40 Detached Garage

Detached Garage W/Finished Second Floor Bonus Room

General Contracting FAQs

Your Building Questions, Answered

What is the advantage of hiring a GC early in the design process?

Involving us early allows us to provide valuable feedback on constructability and cost, which can help you make informed design decisions and avoid costly revisions later.

We only work with a pre-qualified group of trade partners who have a proven track record of quality, reliability, and safety that meets our exacting standards.
We have a diverse portfolio that includes custom homes, major renovations and additions, small commercial renovations, and post-frame structures. We bring the same level of professionalism and expertise to every project, regardless of size or scope.

Let's Build Something Great Together.

Your next project deserves a partner who is as committed to its success as you are. We invite you to learn more about the ISM Construction difference. Let’s discuss your vision and how we can bring it to life.