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

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

    
 
 
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   Khine K. 
 
 
 
 Trustindex verifies that the original source of the review is Google. We cannot recommend ISM enough. Every single person in the company has been amazing to work with. They were very responsive and at times during the planning phase when my husband and I did not see eye to eye, they came up with designs that combined what my husband and I wanted, that we are both happy with. They have been extremely accommodating as well with last-min changes. And they work with (most) contractors that very much care about what they do, that resulted in high quality workmanship. We highly recommend working with ISM for all of your project needs.
  
 
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   Clair Wilson 
 
 
 
 Trustindex verifies that the original source of the review is Google. ISM is great to work with. Very attentive staff and attention to every detail!
  
 
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   Linda Vance 
 
 
 
 Trustindex verifies that the original source of the review is Google. Building our forever home was something I had dreamed about for many years. The moment we met the team at ISM Construction, we felt at ease and reassured that we were in good hands. We knew they would be the right company to build our forever home. Their knowledge, experience, and reassurance helped us decide that ISM was the builder best suited for us ISM operates with integrity, responsibility, and a strong sense of accountability, and that spirit shows in everything they do. Ivan carries himself with a calm confidence that immediately puts you at ease. Josiah led our project and shared their program with us, which included a construction schedule, changes made, our selections, and many other details that made everything easy to follow. His steady leadership, great patience, and willingness to explain things more than once were truly appreciated. Nate was incredibly detail-oriented and organized. Many of the thoughtful ideas in our drawings came from his careful planning. Dawson, our project manager, was hands-on, personable, and always kind. When we visited the site, he answered all our questions with confidence and honesty. Together, they truly make an exceptional team. There were quite a few decisions to make, like layouts, finishes, details I didn’t even know existed.  Permit requirements were also an important part of moving forward which ISM handled effortlessly. They walked us through each step and remained committed to the schedule, even through last year's rainstorms and mud. Watching our land transform into a home was amazing and something I will never forget! As with any large project, small adjustments along the way are simply part of the process. What mattered to us was that the ISM team approached everything with professionalism and a willingness to make things right. That gave us peace of mind. ISM didn’t just build what we imagined, they helped make it even better. Now that we are settled in, friends and neighbors often compliment the beauty and quality of our home. It is everything we hoped for and more. We feel truly blessed to have worked with this team, and we are so grateful for the care they put into building our forever home. I would wholeheartedly recommend ISM to anyone looking to build. They will treat you like family and take pride in doing things the right way.
  
 
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   William Andrews 
 
 
 
 Trustindex verifies that the original source of the review is Google. We had a great experience with ISM! They were quick to respond to our inquiry, provided us detailed plans and specs for our project. They had fair prices, amazing craftsmanship, and stayed on schedule! Every one of their workers were kind, professional, and we felt very comfortable around them. Highly recommended!
  
 
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   Jay Weaver 
 
 
 
 Trustindex verifies that the original source of the review is Google. We appreciated the work from ISM from day1 until move in. The experience showed in many areas. All the sub contractors met and exceeded our expectations. I would highly recommend ISM for your building needs. Jay & Miriam Weaver
  
 
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   Jayson Luckenbaugh 
 
 
 
 Trustindex verifies that the original source of the review is Google. Designing and refining a set of plans and bringing them to life requires the right partner and we were blessed to have found and work with ISM.  A selection process that was detailed, an organized schedule so we knew what was happening and when, communication throughout the project and working through challenges when things didn't go exactly as we planned made for a successful project.  We couldn't have envisioned the final product when staring at an untamed wooded lot on stake out day.  But ISM's experience, their excavator's vision (shoutout to Jere of On-Track!) made for a remarkable home we are lucky to have.  Thank you Ivan, Josiah, Nate, Dawson and the whole ISM team!
  
 
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   Glenn Warwood 
 
 
 
 Trustindex verifies that the original source of the review is Google. Great experience working with ISM on our addition/ renovation project.
  
 
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   Amy Thome 
 
 
 
 Trustindex verifies that the original source of the review is Google. We had a great experience working with everyone at ISM. They were very patient and flexible with us as we went back and forth with our additon to our ranch home. Definitely would recommend them!
  
 
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   Mike Spicer 
 
 
 
 Trustindex verifies that the original source of the review is Google. We did a remodel and an addition to our house and ISM were the best. Total professionals and everything exceeded our expectations. They gave us a schedule for 4 months and everything was done on time or earlier. They are perfectionists and it shows in the quality of their work. We need to remodel our kitchen and bathrooms next and there is only one company we will use and it’s ISM. Thanks so much for everything.

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 Building 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.

How do you ensure the quality of your subcontractors?

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.

What types of projects do you typically manage?

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.