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Cobourg Construction

 
 

Our Services

Every trade.
One team.
Zero gaps.

We handle design, drafting, permits, and construction under one roof. You deal with one accountable team from first conversation to final walkthrough.

1999

Founded

1,000+

Projects

50

People

4.8★

Google

Customhome Dorris Twilight Exterior
01

Custom Home Builds

Your land, your floor plan, your home, designed and built by one accountable team from first sketch to final walkthrough. We handle design, drafting, permits, and construction so you never have to coordinate between multiple contractors. We also take on custom home builds in Durham Region, from Oshawa and Whitby to Ajax, Pickering and Clarington.

●Custom floor plans & 3D visualization
●Full permit applications & approvals
●Complete construction management
●From $300/sqft: Northumberland County
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Home Additions

More space without moving. Second storeys, room additions, and garage conversions built to match your existing home so seamlessly it looks like it was always there. We handle the structural engineering, permits, and every trade involved.

●Second storey additions
●Room additions & sunrooms
●Garage conversions to living space
●Seamless material & roofline matching
●From $280/sqft: Northumberland County
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Full Build 2 2
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Kitchen Main Waterfall Island
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Kitchen Renovations

A kitchen renovation touches every trade: demo, structural, electrical, plumbing, cabinetry, tile, and finish carpentry. We manage all of it. One team, one schedule, one point of contact. No trade chaos, no delays, no surprises on your invoice.

●Layout redesign & space planning
●Custom & semi-custom cabinetry
●Electrical, plumbing & tile: all managed
●From $50K: Northumberland County
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Bathroom Renovations

Most bathroom problems trace back to poor waterproofing. We don’t cut corners on the work you can’t see, because that’s exactly where cheap renovations fail. Every bathroom we build is waterproofed properly before a single tile goes down.

●Full demo & waterproofing
●Custom tile, walk-in showers & freestanding tubs
●Heated floors & premium fixtures
●From $20K: Northumberland County
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Bathroom Reno 1 2
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Bathroom Reno 6 2
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ADUs & Garage Conversions

Accessory dwelling units are one of the smartest investments a homeowner can make. Rental income, multi-generational living, or resale value, we package the entire process from drawings and permits through to a fully finished, move-in ready unit.

●Detached garden suites & backyard cottages
●Garage conversions to living space
●Fully permitted & turnkey builds
●Financing introductions available
●From $280/sqft: Northumberland County
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Heritage Renovations

Northumberland County has some of Ontario’s finest 19th and early 20th century residential architecture. We’ve renovated heritage homes across Cobourg and Port Hope for 25 years. We know what’s inside the walls before we open them, and how to handle what we find.

●Heritage designation & permit navigation
●Period-accurate materials & millwork
●Modern systems integrated sensitively
●Georgian, Victorian & Edwardian expertise
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Bathroom Reno 15 2
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Full Build 2 2
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Commercial Construction

Commercial builds are different in one critical way: your business is often still running while construction is underway. We plan phased sequences, work around your hours when needed, and communicate consistently so you’re never guessing where the project stands.

●Medical & professional office buildouts
●Retail & hospitality renovations
●Mixed-use & light commercial builds
●Phased builds to minimize business disruption
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08

Deck and Porch Building

Decks, porches and outdoor structures built across Cobourg, Port Hope and Northumberland County. Around $50 per square foot, fixed price, footings below frost line.

●Covered porches and roofed structures tied into the existing house
●Composite, pressure treated and cedar decking, priced either
●Footings below the 48 inch frost line, every time
●Around $50 per square foot: Northumberland County
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09

Accessible Bathroom Renovations

Tub-to-shower conversions, walk-in showers and accessible bathrooms across Cobourg, Port Hope and Northumberland County. Fixed-price quotes from a builder with 25 years in the county.

●Tub-to-shower conversions, usually within the existing footprint
●Curbless and low-threshold showers for a walker or wheelchair
●Grab bars fixed into proper blocking, not drywall anchors
●$3,000 Federal Tax Credit Available
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Ready to Build

Not sure which service
you need?

Tell us about your project and we’ll give you an honest assessment of what’s involved and the best path forward. No obligation.

 

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