Crafted.
Engineered.
Delivered.
Premium custom home building, framing & renovations across York Region, Simcoe & Muskoka. Fixed-cost guarantee. On time, every time.
Full-service contracting,
end to end.
From the first sketch to the final walkthrough, Callaghan handles every trade, every permit, every detail — so you don't have to.
Custom Home Building
From blueprint to keys, dream homes built with uncompromising craftsmanship and modern design.
- Architectural design
- Full construction
- Project management
Residential Framing
Precision structural framing built to spec — the bones of every great home.
Renovations
Transform existing spaces. Kitchens, bathrooms, basements — old made new.
Additions
Seamless additions that expand your home and elevate its value.
Decks & Outdoor
Custom outdoor living spaces engineered for Canadian winters.
The work speaks for itself.
Every photo is a real Callaghan project — no renderings, no stock images. This is what we build.
Showing 9 of 13 completed projects
View full portfolioA process that
respects your time.
Four clear stages. No surprises, no scope creep. We commit milestones in writing and hold ourselves accountable.
Discovery Call
30-minute conversation to understand your vision, site, and budget. No pressure, no obligation.
Custom Proposal
Detailed transparent quote with material specs, timeline, and a fixed-cost guarantee.
Build Phase
Our team executes with weekly progress updates, photos, and a dedicated project lead.
Final Walkthrough
Detailed inspection ensures every line, joint, and finish meets the Callaghan standard.
Promises we put
in writing.
We're a small enough team to care, and big enough to deliver. Here's what working with us actually looks like.
Fixed-Cost Guarantee
Your quoted price is your final price. No surprise overages, no change-order games.
On-Time or It's Free
We commit to your timeline in writing. Miss it without cause and we eat the overage.
Weekly Photo Updates
Stay in the loop with a private project portal — photos, milestones, and budget tracking.
5-Year Workmanship Warranty
Every structure we touch comes with an industry-leading workmanship warranty.
One Dedicated Lead
You get a single project manager from kickoff to keys — no shifting points of contact.
Premium Finishes
Standard for us is luxury for most builders — we partner only with top-tier trades and suppliers.
Words from the
homeowners we built for.
"Callaghan exceeded every expectation. Their attention to detail and commitment to quality turned our dream home into reality. Truly professional from first call to final handover."
"Hired them for our kitchen renovation and couldn't be happier. The team kept us informed throughout, finished on time, and the quality is outstanding."
"The framing work for our new build was impeccable. They worked seamlessly with our architect and other trades. Real craftsmanship shows in the final product."
"Transformed our dated cottage into a stunning modern retreat. From day one they treated our home like their own. True professionals end to end."
"Built our two-storey addition during a tough winter and still came in on schedule. Communication was constant and the workmanship is flawless."
"I've worked with a lot of contractors over the years. Callaghan is different — fast, transparent, and the finishes are next level. Wouldn't go anywhere else."
Tell us about
your project.
Two ways to start: walk through our 60-second estimator, or just leave your details and we'll reach out.
- Detailed itemized quote
- Fixed-cost guarantee included
- Direct response from a project lead
- No spam, ever — promise
How would you like to start?
Both routes land in front of the same person — pick what's easiest for you.
Service areas.
Proudly serving York Region, Simcoe County, and Muskoka. Same-day or 24-hour quote response across our entire territory.
Newmarket
Aurora
Barrie
Innisfil
Bradford
Muskoka
Orillia
King City
Common questions.
Can't find what you're looking for? Reach out — we'd love to chat about your project.
Let's talk about
your next build.
Let's build
something great.
Free consultation. Transparent quote within 48 hours. Fixed-cost guarantee. That's the Callaghan way.