OnSpec Building Solutions logo

Federally incorporated Canadian general contractor

On-spec.
On time.
On budget.

OnSpec Building Solutions delivers practical construction, renovation and hands-on project oversight across Ontario.

Request a free site visit Explore services
1-year workmanship warranty Clear scope, written quote and weekly progress reporting.
Residential + commercialOne accountable point of contact
48-hour written quoteAfter the complimentary site visit
Ontario-wide serviceBased in the GTA, projects across the province
01 — Services

Built work and project control, under one roof.

From exterior improvements to full interior and commercial upgrades, we coordinate the details that keep work moving.

01

Landscaping

Durable outdoor improvements planned around drainage, access and long-term use.

Driveway paversDecksFencesSodRetaining walls
02

Interior renovation

Functional upgrades with a clear sequence from demolition through finishes.

KitchensBathroomsBasementsFlooringPainting
03

Commercial renovation

Coordinated fit-outs and refreshes designed to reduce disruption to your business.

OfficesRetailRestaurants
04

Project management

Owner-side coordination that keeps scope, schedule, budget and quality visible from start to finish.

SchedulingBudget controlQuality checksTrade coordinationWeekly photo reports
02 — Process

A straightforward path from first visit to warranty.

You know what happens next, who is responsible and what the work should cost.

1

Free site visit

We walk the property, listen to your goals and identify the practical constraints.

2

Written quote in 48 hours

Scope, pricing and assumptions are documented for review.

3

Weekly progress report

Clear updates and photos keep progress visible throughout construction.

4

1-year workmanship warranty

Our workmanship is backed for one year after completion.

03 — Project gallery

Commercial interiors, custom home construction and finished outdoor spaces.

Commercial interior steel framing under construction
Commercial interior — steel framing in progress
Steel stud partitions in a commercial interior build-out
Commercial fit-out — steel stud partitions
Exterior of a custom detached home under construction
Custom home — exterior construction
Wide exterior view of a custom detached home under construction
Custom home — exterior in progress
Completed backyard pool and landscaping at twilight
Backyard pool + landscape — twilight
Completed backyard pool and patio paving in daylight
Backyard pool + patio — completed
04 — Service area

Serving Ontario, one well-managed project at a time.

Our service area spans the province, with a focus on the GTA and major Ontario cities. Reach out with your project address and scope.

Toronto
Mississauga
Markham
Richmond Hill
Vaughan
Ottawa
05 — Start a conversation

Tell us what you’re planning.

Share your project type, location and target timing. We’ll arrange a complimentary site visit to understand the scope.

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