Space For What Matters
Cabins, sheds, and garages built for better living – store, work, relax, or start something new with TSI.
Sheds, Garages & Cabins That Make Life Easier
You’re out of room – and tired of squeezing life into spaces that don’t fit. The garage is overflowing. The shed is falling apart. Or maybe you’re still daydreaming about a quiet cabin in the woods. We craft custom sheds, prefab garages, greenhouses, and hunting cabins that create more space for the things you love--and the things you love to do.
Every structure we build reflects over 30 years of hands-on experience and attention to the little things – tight seams, quality materials, and layouts that just make sense. Visit our lots in Pennsylvania or New York to see the difference for yourself.
Mifflintown, PA
144 Industrial Park Rd.
| Mifflintown, PA 17059
Monday: 10am - 4:30pm
Tuesday - Friday: 9am - 4:30pm
Spencerport, NY
5228 West Ridge Rd.
Spencerport, NY 14612
By Appointment Only
Your Cabin. Your Shed. Your Custom Specs.
Whether you're dreaming up a garden shed with lots of natural light, a cozy cabin with a porch, or a prefab garage with built-in electrical, our 3D design tool gives you total creative control. Play around with layouts, finishes, and upgrades in real time, so you know exactly what you’re getting – before we build a thing.
Rent-to-Own your shed or garage
No credit check. No early payoff fees. Our rent-to-own program gives you flexible terms (up to 3 years) and low monthly payments on sheds and garages up to $15,000 – so you can get what you need now and pay over time.
Flexible financing to make extra space more affordable
Prefer a traditional loan? Choose from credit-based financing options through RTO National (up to $15,000) or Lightstream (up to $100,000) with fixed rates, flexible terms, and quick online approval.
Real Projects to Help Plan Yours
Whether you’re in PA or NY, you’ll get honest service, helpful guidance, and a building you’ll love for years to come. Browse a few of our latest custom cabins, sheds, and garages – and imagine what’s possible for your space.
Crafting Quality Cabins, Sheds, and Structures Since 1991
As a family-owned business, we treat every project like it’s going in our own backyard. We’ve grown because people tell their friends, and that only happens when the quality holds up – and the service holds true.
John and Lori
The cabin is designed to our taste, structurally sound and has professional finishes, right down to soft close cabinets. They were great to work with.
I have a cabin that I will enjoy for many years.
The picture is before underpinning and decks are complete.
