Built to plan
Framed from your architectural and engineered drawings, to the plan and the Ontario Building Code, not by rule of thumb.
Framing in Ajax
Fourplex Framing in Ajax
Fourplex framing in Ajax and across the GTA, built to your drawings and the Ontario Building Code. Timberr Framing is licensed, insured and WSIB-covered, rated 5.0 on Google, with a workmanship warranty behind every job.
- Licensed, Insured & WSIB-Covered
- Backed by our workmanship warranty
- 5.0 on Google
Get your Ajax framing quote
Send the drawings, or just the address and what you are building. We will tell you what is missing before we price it.
5.0 on Google
Workmanship warranty, we stand behind our work Licensed, Insured & WSIB-Covered Completed to code & Ontario requirements Custom-framed to your plans Serving the GTA & surrounding area
What You Get
What to expect from fourplex framing in Ajax
Built to last
Engineered lumber, LVL/PSL beams, and connectors chosen for the spans and loads on the plans.
Quote-ready
Send specs, drawings, or photos and get a free, no-obligation site visit and estimate with no guesswork.
Code-conscious
Installation and site work completed in accordance with Ontario requirements.
Our Process
How our fourplex framing process works
Ready to price fourplex framing?
Send the drawings, or just the address and what you are building. We will tell you what is missing and what happens next.
What GTA clients say
5.0 · Verified reviews on Google B Brookevia Google
★★★★★
Timberr Framing did an excellent job with our commercial units! We'll definitely be using them again for future projects!
T Trudyvia Google
★★★★★
We have worked with Timberr Framing on a few projects, and they continue to impress with their great workmanship and reliable service in our commercial unit. We highly recommend them for all your metal stud framing needs!
W Williamvia Google
★★★★★
Highly recommend to anyone with a stacked townhome project! Outstanding craftsmanship once again Timberr Framing.
S Sokratisvia Google
★★★★★
I was impressed by Timberr Framing’s skilled craftsmanship during our commercial framing project. They delivered high-quality work and maintained strong structural integrity in our commercial development that required metal framing.
E Ericavia Google
★★★★★
Timberr Framing’s team was not only punctual and dependable but also demonstrated exceptional skills in both addition and commercial framing projects. We'll definitely hire them again!
C Cesarvia Google
★★★★★
Timberr Framing has an efficient process and always completes work on time. Their team is highly organized, and our team of developers are always satisfied with the final results.
Local Context
Fourplex Framing in Ajax
Understanding fourplex framing
What changes the site plan in Ajax
Ajax Building Approvals reviews plans, issues permits and conducts inspections. Construction drawings and specifications form part of the Town permit review. Pickering Village work can need heritage clearance before the building-permit process begins.
Ajax reviews construction drawings and specifications as part of the permit, so the fourplex frame follows the reviewed drawing set. Structural repairs to porches, roofs and walls in Pickering Village can require both building and heritage review. Commercial additions in Pickering Village can add site-plan approval to the building and heritage paths.
What belongs in the Ajax site scope
At the address, we verify unit layouts, bearing lines, openings and separation details. We also confirm the current municipal approval status and the route for lumber, engineered members and site access. That route is checked without assuming municipal road space is available.
The quote separates structural changes, unit layout, separations, openings, services and access, together with any road, grading, heritage or inspection condition triggered at this property. Timberr schedules the project from the GTA or York Region after those inputs are settled. Unresolved design and access conditions remain named rather than hidden inside the framing allowance.
The systems and conditions that change the work
Four units can be arranged one per level, two over two, side by side or in another approved configuration; the unit count does not prove the form. That means your engineer may need to settle the load path before material is ordered.
Residential suites generally require at least a 45 min separation from adjacent rooms and suites under Part 9, subject to the listed exceptions. That means your quote carries the matching member layout, connector schedule and site handling.
A dwelling unit containing two or more storeys, including a basement, generally requires a 1 h separation from the remainder of the Part 9 building, subject to the stated exceptions. That means you get the route supported by the drawings instead of a choice made from habit.
Public corridors generally require at least a 45 min fire separation from the rest of a Part 9 building, subject to exceptions. That means your following trades inherit that system's spacing, openings and limits.
The mistake we want found before the work begins
A fourplex wall can be correct as a unit boundary and wrong as a bearing line. Move it to simplify the suite layout and the upper load may land over an unsupported joist field. We resolve the architectural wall and structural support together before the floor system is released.
Plans, sequencing, and site decisions
Member and fastening decisions that affect the result
Loadbearing-stud grade and framing-lumber moisture requirements remain applicable to a Part 9 fourplex, which means your installed member must match the grade or product shown in the design. Stud size and spacing change with wall height and supported floor and roof loads, which means you can verify the material condition before it is enclosed.
Joists require at least 38 mm end bearing unless supported by the permitted ribbon-board condition, which means your bearing and connection detail must preserve that capacity. Beam ends generally require 89 mm of even, level bearing, which means you can trace the fastening requirement to the actual assembly.
The hold point and the trades waiting after it
Part 9 notice is required when structural framing and heating and air-conditioning ductwork and piping are substantially complete. That means your sequence must reach that visible hold point before finishes. The permit holder requests inspection from the municipality, which means you can plan the following trade around the stated response.
The prescribed response after notice is two days, excluding weekends, holidays and closed-office days. That means your mechanical and electrical work may have to be complete before the framing review. Board, firestopping and mechanical trades inherit four sets of unit-boundary and service-opening conditions, which means you avoid reopening work the municipality needed to see.
What to send for a useful quote
Address, zoning confirmation, permit status and approved four-unit layout, which means you give the estimator the current design basis. Unit-boundary, corridor, stair, exit and fire-separation plans, which means your takeoff can include the scheduled members and openings. Add the address, permit status and target start window, so you can separate what is ready to price from what still needs a decision.
Comparing framing quotes?
Ours names what we frame, what another trade supplies, and what has to be settled before we mobilise. Compare the scope, not two totals built on different assumptions.
Finished On Site
Framed on site and built to last
Clean framing, tight sequencing, and a tidy site, coordinated with concrete, drainage, openings, and surrounding trades, and completed to code where site work is in scope.
- Coordinated with the surrounding build
- Code-minded framing for real-world use
- Quote-ready support from plans to inspection
FAQ
Fourplex Framing FAQ
Will Timberr take on fourplex framing in Ajax?
Yes, when the drawings, site access and schedule support the project. Timberr takes on suitable Ajax work from its GTA and York Region service base, with mobilisation tied to the booked address.
Does this work need a building permit from Ajax?
It depends on whether the proposed scope is permit work. Ajax Building Approvals, not Durham Region, administers the local permit and inspection.
What must be ready for the municipal inspection?
The issued permit package and the work assigned to that inspection stage must be ready. Present the work against the drawings and specifications reviewed by Ajax Building Approvals.
What can delay the crew start in Ajax?
Unresolved access approval or an incomplete material route can delay mobilisation. Confirm grading, erosion and heritage clearances at the address before fixing mobilisation. The quote also needs structural changes, unit layout, separations, openings, services and access.
Not sure the drawings are ready?
Most are not, and that is fine. Send what you have and we will tell you what is missing before it costs you a week on site.
Fourplex Framing in nearby areas
Explore our full Fourplex Framing service Our Work
View Our Projects See real projects across Toronto & Ontario
Custom homes, additions, renovations, and multiplexes, framed on site for builders, homeowners, contractors, and property teams.
Request a fourplex framing quote in Ajax
Send the current drawings, property address, permit status and target start. We will check the package around four units, so you can resolve a missing structural, access or coordination decision before it becomes a site delay.
Backed by our workmanship warranty, we stand behind every job · Licensed, Insured & WSIB-Covered
Send your project details
Send the drawings, or just the address and what you are building. We will tell you what is missing before we price it.
Fourplex Framing Near Ajax
View all service areas →Timberr Framing provides fourplex framing, built to plan with quote-ready support across Toronto and surrounding Ontario communities.
Companies We've Worked With
Trusted by Leading Organizations
Timberr Framing supports plan-based framing for commercial, institutional, property, and builder-led projects across Toronto and Ontario.
Tim Hortons 
Subway 
University of Toronto 
Madison Group 
RioCan 
Women's College Hospital 
Starbucks 
Mazda 
TD Bank 
City of Toronto 
Popeyes Tim Hortons Subway University of Toronto Madison Group RioCan Women's College Hospital Starbucks Mazda TD Bank City of Toronto Popeyes