Repair guide
Drywall repair in Ottawa: what it costs, and why the patch still shows after painting
Published Ottawa figures with the date attached to every one, the finish standard that decides whether a repair disappears under paint, and what Ontario's own guidelines call normal.
Short answer. HomeStars puts an average Ottawa drywall project at $2,619, with a range of $200 to $11,000, from 49 verified homeowner reviews collected as of March 2022. Its Ottawa drywall listing page gives a narrower figure for the job most people actually want: $75 to $150 per hour to patch and repair small holes or cracks. Both were read on 2026-09-20. The bigger surprise is not the price. It is that a patch can be flat, sanded and invisible in daylight, and still appear as a pale ghost the day after the wall is painted. That is a known, documented finish problem with a name, and it is the reason drywall repair and painting should not be treated as two separate trades.
What drywall repair costs in Ottawa
Nobody on the first page of Google for this search publishes a dated price. Three of the results are company home pages, two are directories, and one is a Reddit thread. So here is what the published sources actually say, with the age of each figure attached, because a 2022 number quoted in 2026 without its date is worse than no number.
| Figure | What it covers | Publisher | As of |
|---|---|---|---|
| $2,619 average | Any drywall project in Ottawa, installation and repair mixed together | HomeStars, Ottawa drywall cost guide | March 2022 |
| $200 to $11,000 | The full reported spread behind that average | HomeStars, Ottawa drywall cost guide | March 2022 |
| $75 to $150 per hour | Patching and repairing small holes or cracks | HomeStars, Ottawa drywall specialists | read 2026-09-20 |
| $8,000 to $25,000 | Full-home drywall installation, not repair | HomeStars, Ottawa drywall specialists | read 2026-09-20 |
| $150 to $300 | A real completed job listed as "Patching, 2 rooms" | HomeStars job quotes | read 2026-09-20 |
| $1,400 to $1,800 | A real completed job listed as "Drywall patch/repair from poly b job, 2 rooms" | HomeStars job quotes | read 2026-09-20 |
Read the middle two rows together and the picture gets clearer than the average does. A single hole behind a door handle is an hourly job. A ceiling opened up after a plumbing repair is a day or more, plus priming and paint. The $2,619 average is dragged upward by whole-room installation work, so it is close to useless as a guide to patching a wall.
Sources: HomeStars Ottawa drywall contractor cost guide and HomeStars Ottawa drywall specialists. These are national market figures published by a third party. They are not a quote from us, and a quote for your house will differ.
The part the estimate does not mention: the patch has to disappear under paint
Walk up to a finished repair and it looks perfect. Roll paint over it and a soft light patch appears exactly where the compound went. This has a technical name, joint photographing, and the standard that governs it is published by the Gypsum Association as GA-214, Recommended Levels of Finish for Gypsum Panel Products. The 2022 edition is the current one.
GA-214 sets six levels. Two of them matter in a house:
- Level 4is the normal finish for smooth walls painted flat. GA-214 says it is specified “in appearance areas where smooth wall designs are decorated with flat paints, light textures, non-continuous textures, or wallcoverings.” It then adds the sentence almost nobody reads before choosing a paint: “Non-flat or dark/deep tone paints are not recommended; refer to Level 5.”
- Level 5is Level 4 plus one more step, a surface treatment, which GA-214 defines as “a thin skim coat of joint compound or a material manufactured especially for this purpose applied to the entire surface.” It is specified where walls get “non-flat paints (i.e. sheen/gloss) or other glossy decorative finishes, dark/deep tone paints are applied, or critical lighting conditions occur.” GA-214 calls it “the most effective method to provide a uniform surface and minimize the possibility of joint photographing and/or fasteners showing through the final decoration.”
So three things make a repair show: sheen, deep colour, and raking light. A bathroom in semi-gloss, a navy dining room, a hallway with a window at one end. Those are the rooms where a Level 4 patch is the wrong finish and a skim coat over the whole surface is the right one.
There is a mechanical reason underneath it. Bare drywall paper and dried joint compound soak up paint at different rates. USG’s own finishing instructions for its setting-type compounds say the fix is priming the whole prepared surface, and that “where final appearance is critical, the application of a flat drywall primer with high pigment solids tends to minimize most decorating problems.” Spot-priming only the patch does not achieve this. The primer has to go wall to wall.
Ontario already has this written down, and it says the variation is normal
Tarion administers Ontario’s statutory new home warranty and publishes the Construction Performance Guidelines, updated 2024-06-06. Section 9.7 covers exactly what this guide has been describing:
“Wall and ceiling surfaces of gypsum wallboard consist of paper and joint compound. These materials accept paint finishes differently. Variations in texture of the final paint finish in the area of joints and fasteners may result and are normal.”
The warranty listed against that section is None. In other words, Ontario’s own reference document treats a visible difference at joints and fasteners as expected behaviour of the materials, not as defective work. If you want it not to happen, it has to be designed out of the job at the finishing stage, not argued about afterwards.
Two more numbers from the same document are worth knowing, because they give you a fair test instead of an argument. Tarion assesses a painted surface “from a minimum perpendicular distance of 1,500 mm under normal lighting conditions and from a normal viewing position.” Drywall blemishes such as screw pops are judged at 1,800 mmfrom the wall. Roughly a metre and a half back, in the room’s ordinary light. Not with a work light held flat against the plaster.
These guidelines apply to builders under the new home warranty. They are quoted here because they are the clearest published description of how drywall and paint behave in Ontario, not because any warranty applies to a repair on an older house.
Why Ottawa walls and ceilings crack in the first place
Ottawa runs a wide indoor humidity swing. Health Canada advises keeping indoor relative humidity between 30% and 50%, and in a cold snap most houses sit at the bottom of that range or below it. Framing lumber gives up moisture and shrinks, taped joints move, and fasteners work their way proud of the board.
The clearest seasonal version of this is the crack that opens along the top of an interior wall every winter and closes again in the spring. Tarion names it in section 9.5, “Ceiling/wall joint separation commonly referred to as truss uplift”, and describes it plainly: “Truss uplift may occur when outdoor temperatures are considerably colder than indoor temperatures. It can appear as a minor crack or a larger gap.”
Its acceptance line is a real number you can measure with a ruler. “Cracks resulting from normal shrinkage are acceptable; crack width in excess of 4 mm is not acceptable.”
And its advice is the opposite of what most people want to hear: “Repairs should be deferred until such time as the truss returns to its original position.” Tarion says the same thing about shrinkage cracks and screw pops generally, that “often these repairs are best left until the framing has settled.”
That is genuinely useful if you live here. A hairline crack at the wall and ceiling line in February, in the same spot as last February, narrower than 4 mm, is the house breathing. Mudding and taping it in the cold will not hold, because the truss is going to come back down in April and the new compound will tear. The move is to book it for spring, or to have the joint detailed so it can move without cracking. A crack that keeps widening, a crack that is not seasonal, or water staining around it is a different problem and needs looking at properly.
Ceilings are not walls, and they are a separate decision
Ceiling repair is harder than wall repair for reasons that have nothing to do with skill. You are working overhead, gravity is against the compound, and every ceiling in the room shares one uninterrupted plane under one light source, which is close to the definition of critical lighting in GA-214. Tarion’s section 9.1 even notes that an isolated bulge or waviness in a ceiling “may appear more severe at night when artificial lighting washes across the ceiling.”
Textured ceilings add a second decision on top of the repair. Patching stipple or popcorn means matching a spray texture, and a patched texture almost never matches perfectly. For many Ottawa homeowners the repair becomes the moment to take the texture off entirely instead of chasing a match.
- Ceiling repair in Ottawa covers cracks, water damage and holes in flat ceilings.
- Popcorn ceiling removal is the other route when the texture is the problem rather than the damage.
- Not sure which texture is on your ceiling, or how old it is? Stipple versus popcorn ceilings explains the difference and the age question that changes the job.
- What ceiling removal costs sets out published Canadian ranges for taking it off.
- For the repair itself, drywall repair and surface preparation is the service page.
How long a repair actually takes
The honest answer is that the mud dictates the schedule, and the mud has published numbers.
Repairs are usually done with setting-type compound, which hardens chemically rather than by drying out. USG sells its Easy Sand range in five working times, and the number in the product name is the approximate working time in minutes. Easy Sand 20 has a setting time of 25 to 35 minutes. Easy Sand 90 sets in 95 to 120 minutes. USG notes that setting time “can be affected by temperature, relative humidity and wet-thickness.”
A typical repair is a prefill, a tape coat, then two more coats each feathered about 2 inches past the one before, with sanding, then primer, then paint. A small hole with a fast-setting compound can be a same-day job. A wide ceiling repair in a cold house is not. USG’s instructions require the building to be held at a minimum of 13 °C during joint finishing, with ventilation to carry off the moisture, which in an Ottawa January is a real scheduling constraint rather than a footnote.
The step people skip is the last one. The compound must be “thoroughly dry, dust free and not glossy before decorating.” Painting over compound that has set but not dried is how a repair fails twice.
What to ask before you hire anyone
The Ottawa Reddit threads on this search are full of the same two complaints: nobody wants the small jobs, and the back and forth on scheduling gets exhausting. Both are fair, and both are answerable up front.
Does this price include painting, or only the patch? This is the single biggest source of surprise. A drywall specialist may hand back a perfectly finished repair that is still bare compound.
What level of finish are you giving me, and does it suit my paint? If the room is semi-gloss, a deep colour, or has strong side light, ask specifically about a skim coat.
Will you prime the whole surface or just the patch? Spot priming is the usual cause of a flashed repair.
Is this crack seasonal? If it opens every winter and closes every summer, ask whether the repair should wait.
Who cleans up the dust? Sanding drywall compound produces a lot of it, and USG's own safety notice recommends a sander with vacuum attachment or wet sanding.
Drywall repair in Ottawa: common questions
HomeStars publishes $75 to $150 per hour for patching small holes or cracks in Ottawa, read 2026-09-20, and an average of $2,619 across all Ottawa drywall projects from 49 verified reviews as of March 2022. The hourly figure is the better guide for repair work; the average includes whole-house installation.
Because paper and joint compound absorb paint differently. The Gypsum Association calls the result joint photographing, and Tarion's guidelines describe the resulting texture variation at joints and fasteners as normal. Sheen, dark colours and strong side lighting all make it more visible, which is why GA-214 recommends a skim coat over the whole surface in those rooms.
Often yes, corner to corner, because a touch-up over a primed patch rarely matches the surrounding sheen. Painting the full wall to its natural breaks is what makes the repair disappear.
That pattern matches truss uplift. Tarion describes it as occurring when outdoor temperatures are considerably colder than indoor temperatures, and advises deferring repairs until the truss returns to its original position. Mudding it in midwinter usually tears again.
Tarion's published line for seasonal ceiling and wall joint separation is that cracks from normal shrinkage are acceptable and a crack wider than 4 mm is not. Cracks that widen over time, run diagonally from door and window corners, or show water staining are worth a proper look.
Yes, though the building has to be held at 13 degrees Celsius or warmer during finishing with enough ventilation to carry off the moisture, per USG's instructions for setting-type compound. Cold, damp conditions slow the whole schedule down.
Getting a number for your own house
Ottawa Luxe Painting has been painting and repairing interiors in Ottawa, Ontario and Gatineau, Quebec since 2015, and we do the drywall and the paint as one job rather than two. That matters most on the part of this page nobody else publishes: the finish level, the primer and the sheen match are decisions made during the repair, not after it.
Send a photo of the damage and tell us what the room is painted in, flat or sheen, light or dark. That is usually enough to tell you whether you are looking at an hourly patch or a wall that needs skim coating and repainting.
Call (613) 799-5057 or email info@ottawaluxepainting.ca.
Every figure on this page is somebody else’s published market range. Yours comes from looking at the actual wall, free and in writing.