Serving Ottawa, Peru, Morris, Minooka & nearby towns
Custom post frame garages, shops, and agricultural buildings built for strength, function, and long-term value.
Start Your Project
Tell us a little about your building and we’ll follow up to discuss your project.
Why Choose A15
A15 Carpentry builds post frame structures for homeowners, farmers, and property owners throughout Ottawa and the surrounding area.
From simple storage buildings to insulated shops with overhead doors and interior finishes, the goal is straightforward: build it strong, build it clean, and build it to last.
Custom buildings for storage, work space, equipment, and everyday use with layouts designed around your project goals.
Garages for vehicles, tools, storage, and hobby space with upgrade options for insulation and interior finishes.
Practical shop buildings for contractors, homeowners, and equipment owners who need dependable usable square footage.
Machine sheds, farm storage, and utility buildings built to handle Midwest weather and day-to-day use.
Recent Projects
Recent work across northern Illinois, shown with real project photos from completed builds.
Braidwood, Illinois
50x100 fully insulated post frame shop built for year-round use with concrete floor, wall insulation, metal liner panels, and a fully insulated attic.
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Ottawa, Illinois
32x64 barndominium combining residential living space with functional shop and storage area, featuring a covered porch and attached garage.
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Ottawa, Illinois
36x64 post frame garage built in Ottawa, Illinois for dependable vehicle storage, equipment space, and everyday utility.
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Customer Reviews
“A15 Carpentry built our 40x60 pole barn in Ottawa and the craftsmanship was excellent. The project stayed on track and the building turned out exactly how we wanted.”
“Austin and his crew handled our shop in Morris and the quality of work was outstanding. Honest company and easy to work with.”
“We hired A15 Carpentry for a garage in Minooka and could not be happier with the finished building. Strong work and good communication.”
“Our new post frame building in Peru came together smoothly and looks great. We appreciated the straightforward quoting and reliable follow-through.”
“They built a clean, practical storage building for us near Marseilles and did exactly what they said they would do. We would hire them again.”
“Good communication, straightforward pricing, and quality work. The building turned out clean and solid.”
Areas We Serve
A15 Carpentry proudly serves homeowners, farmers, and property owners throughout northern Illinois.
We regularly work in Ottawa, Peru, Marseilles, Morris, Minooka, Channahon, Yorkville, Oswego, Newark, and Norway.
Ready To Build?
If you’re planning a pole barn, garage, shop, or agricultural building, reach out today and let’s talk through your project.