General Contractor in
Port Severn.
The southern gateway to Muskoka and Georgian Bay.
Local builds, local knowledge.
Port Severn is the southern entry to Muskoka and Georgian Bay, with a strong renovation market on older cottages and a growing four-season community.
What we build here.
Every service we run in Muskoka, scoped for Port Severn. Click through for full details, pricing signals, and past work.
Custom Cottage Builds
Ground-up lakefront homes built for Muskoka winters and four-season living.
Custom Cottage Builds in Port Severn
Cottage Renovations
Full gut renos, additions, and tasteful modernizations of legacy cottages.
Cottage Renovations in Port Severn
Masonry & Stonework
Self-performed fieldstone, granite, and natural-veneer masonry.
Masonry & Stonework in Port Severn
Fireplaces
Floor-to-ceiling fieldstone hearths designed as the room's centerpiece.
Fireplaces in Port Severn
Kitchen Renovations
Lake-view kitchens with stone counters and millwork built for entertaining.
Kitchen Renovations in Port Severn
Bathroom Renovations
Spa-style ensuites with tile, stone, and natural light.
Bathroom Renovations in Port Severn
Decks & Outdoor Living
Composite and cedar decks engineered for shoreline grade and exposure.
Decks & Outdoor Living in Port Severn
Pergolas & Covered Decks
Cedar shade structures over fieldstone patios, built to weather decades.
Pergolas & Covered Decks in Port SevernRetaining Walls
Armour stone terraces that hold a shoreline and look like they were always there.
Retaining Walls in Port Severn
Boathouses & Docks
Two-storey boathouses and crib docks permitted to MNRF standards.
Boathouses & Docks in Port Severn
Landscape Construction
Interlock driveways, natural stone walkways, grading, drainage, and lighting.
Landscape Construction in Port Severn
Patios & Interlock
Fieldstone, flagstone, and Techo-Bloc patios built on engineered base.
Patios & Interlock in Port Severn
Repairs & Handyman Service
Cottage-side fixes done right, with the same crew that builds for our larger clients.
Repairs & Handyman Service in Port SevernBased in Muskoka. Building in Muskoka.
Northern Oaks is a Muskoka-based general contractor and masonry firm. Live crew, one project manager, one contract, weekly photo updates.
More about usHow a Port Severn project runs.
A clear six-step path so you always know what comes next, no surprises, no scope creep.
Inquire
Send us the project details through the form, email, or a phone call.
Connect
We reach out to learn more about your goals, timeline, and budget range.
Site walk
We meet you on site, walk the property together, and take measurements.
Fixed quote
You receive an in-depth, fixed-price proposal covering the complete project.
Approval & deposit
Confirm final changes, sign off, and pay the deposit to get booked in.
Build day
When your scheduled start date arrives, our crew shows up and the work begins.
"They handled every trade, every permit, and every change order without us flying up once. The stonework is unreal."
Trusted across Port Severn.
Named #1 by the Quality Business Awards for craftsmanship, transparency, and on-time delivery across Muskoka.
Award · 2025
We also build in.
Building in Port Severn. Let's talk.
Walk the site with us. We follow up with a fixed-price proposal, usually within two weeks.