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Sunroom addition in Wasaga Beach by Mighton Construction

Additions & Garages · Wasaga Beach

Home Additions and Garage Builds in Wasaga Beach

Expand your Wasaga Beach home with a custom addition or garage build that integrates seamlessly with your existing structure and enhances your property.

  • 2026 Canadian Choice General Contractor of the Year
  • Building in South Georgian Bay since 1992
  • Certified Nudura & Foxblocks ICF builder

Why Wasaga Beach Clients Choose Mighton

30+
Years Building Here
4–6
Months, Typical Addition
5.0★
27 Google Reviews
$5M
Liability Coverage
2026 Canadian Choice General Contractor of the Year 2025 Wasaga Beach Chamber Trades Business of the Year

Home Additions and Garage Builds in Wasaga Beach

When your Wasaga Beach home no longer fits your needs, an addition is often the smartest investment you can make—gaining the space you need while preserving your established neighbourhood, your proximity to the beach, and the equity you have built. Mighton Construction designs and builds home additions and garages in Wasaga Beach that integrate seamlessly with existing structures, using quality materials and construction methods that ensure the new space matches the character and performance of your home.

Whether you need an extra bedroom for a growing family, a spacious garage to protect your vehicles and recreational equipment, or a sunroom that captures Georgian Bay light, our team handles the project from initial concept through final finishing. We manage all aspects of the build—structural engineering, foundation work, framing, roofing, siding, insulation, and interior finishing—so the addition feels like a natural extension of your home, not an afterthought.

Wasaga Beach's sandy soils and municipal zoning requirements add specific considerations to any addition project. We engineer foundations appropriate for local soil conditions, ensure setbacks and lot coverage comply with town bylaws, and coordinate building permits and inspections. Our goal is to deliver an addition that enhances both your living experience and the long-term value of your Wasaga Beach property.

Home Additions & Garage Builds by Mighton Construction in Wasaga Beach

What Additions and Garages Cost in Wasaga Beach

Plan on $350 to $650+ per square foot for a properly built addition — the range reflects foundations, structural tie-ins, exterior matching, and mechanical extensions that a simple interior renovation never carries. Because we price open-book, you will see exactly where the money goes before we ask you to spend it.

  • Additions — $350 to $650+ per square foot, covering foundation, structural tie-ins, exterior matching, and mechanical work.
  • Detached garages — $75,000 to $250,000+ depending on size, slab and foundation design in our sandy soils, insulation, and whether you want heat, a loft, or workshop power.
  • Open-book pricing — see exactly where the money goes; our additions and garages page covers the full planning process.
Home addition build in Wasaga Beach by Mighton Construction

Adding On Without Losing the Beach-Town Feel

Wasaga Beach lots are often more generous than their original cottages, which makes them ideal for growing in place — a primary-suite wing instead of a move, a garage that finally shelters the boat and the snowblower, or a sunroom aimed at the evening light. Our team is based in town, so the crew managing your addition knows the Town of Wasaga Beach permit counter, the local trades, and the neighbourhood character your addition should respect. Many clients pair an addition with a kitchen renovation or a new deck so the whole project lands as one coherent home.

Garage build addition in Wasaga Beach by Mighton Construction

Why Mighton

The Same Team, From First Call to Final Walkthrough

We take on a limited number of projects each year so Jeff and Adam Mighton are personally involved in every one — including yours in Wasaga Beach. With open-book, cost-plus budgets you see every trade and material invoice, and the builder who signed your contract is the one who answers the phone for the life of the project.

  • Open-book, cost-plus pricing — every invoice visible
  • Jeff and Adam personally involved in every project
  • Every project permitted and inspected
  • Serious enquiries answered within 1–2 business days
Jeff Mighton

Jeff Mighton

Founder & President

Adam Mighton

Adam Mighton

COO & Project Manager

Home Additions & Garage Builds by Mighton Construction

Recent Home Additions & Garage Builds Photos

Real photos from the Mighton project gallery.

Home Additions & Garage Builds project photo 1 by Mighton Construction

Home Additions & Garage Builds

From the Mighton project gallery

Home Additions & Garage Builds project photo 2 by Mighton Construction

Home Additions & Garage Builds

From the Mighton project gallery

Investment

Budget & Planning Guidance

Home additions typically range from $350–$650+/sqft depending on complexity. Detached garages range from $75k–$250k+ depending on size, finishes, and whether living space is included above.

Costs vary by design, site conditions, materials, drawings, and approvals. These planning ranges are not quotes.

Our Home Additions & Garage Builds Process

01

On-Site Assessment

We evaluate your existing home's structure, foundation, and mechanical systems to determine the best approach for your addition. We also review zoning setbacks, lot coverage limits, and septic capacity.

02

Design & Engineering

Working with your architect or our design partners, we develop plans that integrate structurally and aesthetically with your existing home. Engineering drawings are prepared for permit submission.

03

Permitting & Approvals

We handle building permit applications, conservation authority submissions if required, and any site plan or committee of adjustment processes.

04

Construction

Our crew manages demolition, foundation work, framing, roofing, and all mechanical and finish trades. We take care to protect your existing living space throughout construction.

05

Integration & Completion

We ensure the addition connects seamlessly to your existing home — matching rooflines, siding, and interior finishes so the new space feels like it was always part of the house.

Start Your Addition or Garage in Wasaga Beach

Your information is secure and will never be shared. We respond to serious enquiries within 1–2 business days.

What happens next?

  1. 1We review your project details within 1–2 business days.
  2. 2We schedule a call or meeting to understand your goals.
  3. 3If it's a good fit, we provide early guidance and next steps.

Initial consultation: Free

Response time: Within 1–2 business days

Phone: 705-809-5809

Email: [email protected]

Mighton Construction is best suited for larger residential, cottage, and church projects. We are not a handyman or small-repair service.

Client reviews

What Clients in the Area Say

They just finished our ICF basement in Wasaga Beach, and the results are incredibly solid and perfectly executed. Jeff and Adam were exceptional, overseeing every detail with expertise. It’s a huge piece of our new home, and knowing it’s built with such care gives us so much peace of mind.

Matthew Svoboda · Wasaga Beach · ICF Basement Google review

From our first conversations with Jeff and Adam, we knew they understood our vision for a multi-generational cottage. The skilled team demonstrated remarkable craftsmanship in every detail of our 3,500 sq ft home, and the quality is evident throughout. They built more than a cottage — they built the foundation for countless family memories.

Nick Alvarez · Wasaga Beach · Multi-Generational Cottage Google review

Common questions

Frequently Asked Questions

What types of additions are most common in Wasaga Beach?
Popular additions in Wasaga Beach include primary bedroom suites, sunrooms and three-season rooms, expanded kitchens and living areas, and second-storey additions. Detached and attached garages are also in high demand as many Wasaga Beach properties were built without adequate covered parking.
Will an addition match the look of my existing Wasaga Beach home?
Absolutely. We carefully match rooflines, siding materials, window styles, and architectural details so the addition looks like it was always part of the home. When exterior materials are no longer available, we source the closest match or recommend updating the entire facade for a cohesive appearance.
What setback and lot coverage rules apply to additions in Wasaga Beach?
The Town of Wasaga Beach has specific zoning bylaws governing setbacks from property lines, maximum lot coverage, and building height. We review these requirements early in the design process and, if necessary, assist with minor variance applications to accommodate your project.
How much does a home addition cost in Wasaga Beach?
Additions typically run $350 to $650+ per square foot because they carry a foundation, structural tie-ins, exterior work, and mechanical extensions. Detached garages typically range from $75,000 to $250,000+ depending on size, foundation, insulation, and finishes. We provide an open-book budget for your specific project before construction begins.
Do older Wasaga Beach cottages make good candidates for additions?
Often, yes — but the existing structure decides. Many older beach-area cottages sit on block or pier foundations that need assessment before carrying a tie-in. We evaluate the foundation and framing first, then tell you honestly whether an addition, a second storey, or a rebuild delivers better value for your lot.
Do we need an architect for our addition?
It depends on scope. Structural additions need engineered drawings for permit; larger or design-sensitive projects benefit from an architect or designer. We can work with professionals you have already engaged or coordinate design through our own trusted partners.
Will an addition trigger a septic system review?
Adding bedrooms or plumbing fixtures often does, especially on rural and waterfront properties. We assess septic capacity early in planning so an upgrade — if one is needed — is priced into the budget rather than discovered mid-build.
Can you build a suite above the garage?
Where zoning permits, yes — garage lofts and secondary suites are increasingly popular for home offices, guests, and rental income. Suites carry additional code requirements for fire separation, egress, and HVAC, all of which we design in from the start.
How do you keep the rest of our home liveable during construction?
We isolate the work zone from your living space, seal openings against dust, maintain safe access, and schedule the noisiest work predictably. Most addition clients live at home comfortably for the entire project.
How does your open-book, cost-plus pricing work?
You pay the actual cost of materials, labour, and subcontractors, plus a clearly defined management fee — and you see every invoice along the way. There are no hidden markups or padded allowances. It keeps our interests aligned with yours: we have no incentive to cut corners, because we do not profit from the difference.
Do you handle building permits and inspections?
Yes. Depending on the project scope, we coordinate or fully manage permits with the municipality, arrange required inspections, and handle conservation authority applications where properties in Wasaga Beach need them. Every project we build is permitted and inspected.
Can you work from plans we already have?
Absolutely. We regularly price and build from completed architectural drawings. If you are earlier in the process, we can also coordinate design and pre-construction planning with architects, designers, and engineers we trust.
Are you licensed and insured?
Yes. Mighton Construction Limited carries $5 million in aggregate liability coverage and maintains WSIB coverage for applicable work, with clearance information available on request. All work is built to Ontario Building Code and inspected by the local building department.
What happens after I submit the contact form?
We aim to respond to serious project enquiries within 1–2 business days. The first step is a free phone conversation about your goals, timing, location, and rough budget. If the project is a good fit, we arrange a site visit and provide early guidance and a ballpark estimate.
How far in advance should we get in touch?
Earlier than you think. We intentionally take on a limited number of projects each year so Jeff and Adam stay personally involved in every one — which means our calendar fills ahead of the season. Talking early also gives design, permits, and material lead times the room they need.

Let’s Talk About Your Wasaga Beach Project

Book a no-obligation consultation about your goals, timing, and budget. We aim to respond to serious project enquiries within 1–2 business days.