Bright open dining and living space with large windows, wooden ceiling, and modern decor. Dining table set with white plates, glasses, and napkins; living area has a beige sofa, coffee table, and abstract artwork.

Featured Build.

Trails End

An architectural statement set against Canada’s most iconic waters. Built with intention, designed for those who value exceptional craft.

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PORTFOLIO.

Riverdale

Living room with large windows overlooking a lake, featuring a white sofa with black and white patterned pillows, a wooden dining table with white chairs, and two armchairs with a bench outside on a balcony.

North Lake Rosseau

South Lake Rosseau

South Lake Rosseau

Black modern house with large glass front, surrounded by trees in a forest setting, with stone steps leading to a patio area.

The Point Project

Crane Lake

Crane Lake

A modern, multi-story house with black exterior siding and large windows, surrounded by trees and greenery, with a wooden staircase leading to a glass-enclosed porch.

Georgian Bay Island

Cliffside

Bright living room with large windows overlooking a lake, featuring white sofas, black and patterned accent chairs, a glass coffee table, and wooden shelving, with a high ceiling and chandelier.

Stephens Bay Road

Bright open-concept kitchen and dining area with white cabinetry, wooden beams, and a stone fireplace in the background.

Horseshoe lake

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J.S. Custom builders is a locally owned and operated business with over 12 years of experience building custom homes and cottages in the Muskoka & Parry Sound area.

What We Offer.

  • Project Management

  • 3D / Design Services

  • Decks and Docks

  • Renovations

  • Custom Homes and Cottages

  • ICF Foundations

  • Custom Timber Framing

  • Barging and Water Access Work

Highlight Reel

View our collection of PROJECTS in the Muskoka & Parry Sound area.

Our mission is to provide our clients with the highest standard of quality craftsmanship, while staying committed to maintaining valuable customer service.

IN DEVELOPMENT

- THE ROSSEAU RETREAT -

Stay Connected.

@jscustombuilders

View fullsize Lakeside Living - - - - - - - #jscustombuilders #muskoka #cottage #lake #interiordesign #architecturephotography #lakemuskoka #interiordecorating
View fullsize Glass is in on our Riverdale project - - - - - - - #jscustombuilders #muskoka #customhomes #lakejoseph #windows #architecture #interiordesign #cottage #cottagelife #lakehouse
View fullsize One of the most labour intensive tile patterns that we have tasked to out tile installer.....worth every minute. Design by @sophieclappertondesigns - - - - - - #jscustombuilders #muskoka #tile #interiordesign #interiordecorating #customhomes #cot
View fullsize Another beautiful room from our Topajo build - - - - - - - #jscustombuilders #lakejoseph #muskoka #customhomes #architecture #interiordesign #interiordecorating #lakehouse #cottagelife #cottagestyle #architecturephotography #luxuryhomes #luxuryreal
View fullsize Winter wonderland at one of our lake Muskoka island builds from a few years back - - - - - - - #jscustombuilders #muskoka #cottage #island #cottagelife #lakemuskoka #customhomes #interiordesign #architecturephotography #builder #construction
View fullsize Gable end wall framing at our lake Joseph boathouse - - - - - - - #jscustombuilders #muskoka #cottage #cottagelife #framing #customhomes #builder
View fullsize Can’t wait to see this kitchen come to life Design by - @jaimedrohandesigns Listing info - @gettingbarrelled - - - - - - - #muskoka #jscustombuilders #lakejoseph #cottage #cottagelife #forsale
View fullsize This 16’ tall window 🙌 - - - - - - - #jscustombuilders #muskoka #lakejoseph #cottage #cottagelife #customhomes #realestate #toronto #architecture #interiordesign

LET’S get started.

CONTACT US.

Jamie Steele: (705) 773-8774

John Schmalz: (705) 773-3479

​jamie@jscustombuilders.com

john@jscustombuilders.com

28 Clear Lake Road
Seguin, Ontario
P2A 2W8