Close-up architectural detail of vertical metal panel siding and a building corner seam, installed by ISM Construction for Custom Garages in Lebanon, PA.

More Than a Garage. It's Your Workshop, Your Storage, Your Space.

A garage is far too valuable to be just a messy space for your car. It holds the potential to be a pristine workshop for your hobbies, a secure storage space for your prized possessions, or even an extension of your home’s living area. If you’re dreaming of a garage that is as functional and well-built as your home, ISM Construction can make it a reality.

For over 30 years, we have been designing and building high-quality custom garages in Lebanon County. Whether you need a simple, detached garage or a complex, multi-bay structure with a finished loft above, our team delivers superior craftsmanship and exceptional value. We create handsome, durable buildings that perfectly complement your home and enhance your property.

A Custom Garage Built for Your Lifestyle

A two-story home with blue siding featuring integrated multi-car attached garages, professionally constructed by ISM Construction, a premier builder of Custom Garages in Lebanon, PA.

Attached Garages

Enjoy the convenience and security of a garage that's seamlessly integrated with your home, providing direct, weather-protected access.

Spacious interior of a custom garage workshop complete with an overhead storage mezzanine and tools, designed by ISM Construction for Custom Garages in Lebanon, PA.

Workshops

Gain flexibility in size and location. A detached garage is the perfect solution for a dedicated workshop, classic car storage, or a hobbyist's retreat.

Exterior of a brick-fronted garage designed with high ceilings to accommodate automotive lifts, crafted by ISM Construction, experts in Custom Garages in Lebanon, PA.

Garages with Lofts
(Carriage House)

Maximize your investment with a second-story living space, perfect for a home office, a guest suite, or even a rental apartment.

An expansive, detached commercial-grade garage featuring high-clearance bays for large RVs and boats, completed by ISM Construction as part of their Custom Garages in Lebanon, PA services.

RV & Boat Garages

Protect your biggest investments with an extra-tall, extra-deep garage designed specifically to house your recreational vehicles securely.

Spacious interior of a custom workshop garage featuring concrete floors, a work bench area, and an overhead storage mezzanine level, completed by ISM Construction, specialized in Custom Garages in Lebanon, PA.
Exterior view of a modern metal building showing a custom wooden entry door, a dark brown garage bay door, and stone veneer wainscoting, built by ISM Construction for Custom Garages in Lebanon, PA.
Close-up architectural detail of a gabled roofline with vertical metal siding, custom soffits, and integrated exterior lighting, crafted by ISM Construction, experts in Custom Garages in Lebanon, PA.

A Better Building, A Better Process

When you partner with ISM Construction, you’re choosing a full-service general contractor with a 30-year reputation for quality and integrity. We handle everything from the concrete foundation to the final roofing shingle, ensuring a cohesive and high-quality build. You’re not just getting a garage; you’re getting a professionally managed project.

Our process is built on clear communication and transparency. As proud members of the NAHB, PBA, and LCBA, we adhere to the highest standards of construction and business ethics. We provide a clean, safe job site and a seamless experience, delivering a finished garage that adds significant value and utility to your home.

Our Garage Gallery

Our Straightforward Garage Build Process

01

Design & Plan

We meet on your property to discuss your needs — from the number of bays to the style of doors — and determine the optimal location and design for your new garage.

02

Price & Sign

We create a custom design and provide a detailed, fixed-price proposal that clearly outlines the entire scope of your garage project, with no hidden costs.

03

Build

Our experienced in-house crew builds your garage with precision and efficiency, using high-quality materials to ensure it stands strong and looks great for decades.

04

Inspect & Handover

We conduct a final inspection with you to ensure your complete satisfaction before handing over the keys to your new, custom-built space.

What Our Garage 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

Custom Garage FAQs

Your Building Questions, Answered

Can you match the style of my existing home?

Absolutely. We take great care to select siding, roofing, and windows that perfectly complement your home’s existing architecture, ensuring the new garage looks like it was always there.
Yes, in most cases, a building permit is required for a new garage. As your general contractor, we handle the entire permitting process for you.
Yes! We can design your garage with the extra ceiling height and reinforced concrete slab required to accommodate a car lift, creating the perfect workshop for a car enthusiast.

The Garage You've Always Wanted is Within Reach. Great Together.

Stop letting your valuable vehicles and equipment sit outside, and stop dreaming about having a dedicated workshop. A custom garage is a practical and valuable addition to any property. Let’s build yours.