Home Addition Framing Mississauga — Licensed, Insured & 5-Star Rated

Addition framing costs in Mississauga depend on the type of addition, square footage, and structural complexity.

A rear addition frame is typically the most straightforward and cost-effective option. Second-floor additions cost more because the existing foundation and first floor must support the new load — reinforcement may be required on older Mississauga homes.

Garage conversions and in-law suites vary based on the scope of structural work involved.

The best way to get an accurate number is to contact Timberr Framing for a free, detailed written quote. We assess your plans and existing structure before pricing — no ballpark guesses.

Yes. Timberr Framing is fully licensed to operate as a framing contractor across Ontario, including all types of home addition framing in Mississauga.

We carry $5M in liability insurance, are registered with WSIB, and operate in full compliance with Ontario Building Code on every project. Our licensing and insurance documentation is available on request.

We frame all types of home additions in Mississauga:

• Second-floor additions — full upper storey builds View details
• Rear additions — bump-outs, kitchen extensions, family room builds View details
• Side additions — extending into your side yard View details
• Garage conversions and additions — garage-to-living conversions, new attached garages
• In-law suites and secondary suites — separate dwelling units within your home

If your project involves structural framing for a home addition anywhere in Mississauga, contact us to discuss.

Timeline depends on scope. A standard rear addition frame typically takes one to two weeks. A full second-floor addition takes two to four weeks depending on the size and complexity.

Timberr Framing provides a clear project schedule during the quoting process and keeps you informed from start to finish.

In most cases, yes. Any addition that involves load-bearing changes, new foundation work, or a second-floor build requires structural engineering. The City of Mississauga will require engineered drawings as part of the permit process.

Timberr Framing coordinates directly with structural engineers throughout the project and frames to the engineer's specifications.

Yes — this is one of the most critical aspects of addition framing. A poor tie-in leads to structural issues, water intrusion risks, and problems for every trade that follows.

Timberr Framing specializes in structural tie-ins between new additions and existing homes. We assess your existing framing, identify load paths, and connect the new structure properly — whether it is a rear bump-out, a side extension, or a full second floor.

Yes. Any home addition in Mississauga requires a building permit from the City of Mississauga before construction begins. This applies to second-floor additions, rear additions, side additions, garage conversions, and in-law suites.

Timberr Framing builds every addition to Ontario Building Code and ensures all framing is inspection-ready at handoff.

Yes. Timberr Framing regularly works as a framing subcontractor for general contractors managing home addition projects in Mississauga.

We understand the scheduling demands of residential construction and coordinate with other trades. If you are a GC looking for a reliable addition framing sub in Mississauga, contact us to discuss your upcoming work.

Timberr Framing provides home addition framing in Mississauga and nearby areas including Etobicoke, Oakville, and Milton.

If your project is in an area not listed, use the form below and we are happy to discuss.

Yes. Ontario Building Code has specific requirements for secondary suites including fire separation, sound transmission ratings, separate egress, and minimum ceiling heights. The framing must account for all of these from the start.

Timberr Framing understands the code requirements for secondary dwelling units and frames accordingly — including fire-rated wall assemblies, sound isolation framing, and proper egress window framing. All work is left inspection-ready.