Best garage builders in Ottawa

★★★★★4.8 (126 reviews)score 89/100

Magnolia posts a 4.8 rating across 126 reviews, one of the deepest review bases on this list, and reviewers describe a team willing to excavate bedrock, underpin foundations, and reroute plumbing without walking away from a hard site. Owner Joey and named staff like Richard, Faraz, and Kevin get called out repeatedly for weekend responsiveness and holding quoted prices even when conditions get complicated.

• Owner and staff respond to calls even on weekends
• Quotes held firm despite tough site conditions like bedrock
• Handles structural work: underpinning, dig-outs, plumbing reroutes
• Keeps worksites clean and organized daily

Services: detached garage construction, garage additions conversions, custom finishes heated garages

★★★★★5 (60 reviews)score 89/100

FJA has a perfect 5.0 rating across 60 reviews with every single review giving five stars, a rare consistency on this list. Owner Anas and his team are singled out for listening closely to clients and building long-term relationships across repeat projects.

• Perfect five-star record across 60 reviews
• Owner Anas known for long-term client relationships
• Fast turnaround with transparent communication
• Attention to detail and quality finish work

Services: detached garage construction, garage additions conversions

★★★★★5 (32 reviews)score 85/100

Roj building holds a perfect 5.0 rating across all 32 reviews, with clients consistently praising punctual delivery and attention to detail. Communication comes up as a defining strength, which matters on longer garage projects where scope can shift.

• Perfect five-star record across 32 reviews
• Strong project communication throughout
• Detail-oriented, quality craftsmanship
• Reliable on-time completion

Services: detached garage construction

★★★★★4.7 (155 reviews)score 85/100

The Assembly Experts have the largest review count on this list outside Garage Living and Ottawa General Contractors, at 155 reviews and a 4.7 rating. Staff like Jeff and Shane are described completing full gazebo and shed builds in hours, with repeat customers pointing to durable results that hold up across seasons.

• Fast, efficient work on outdoor structures
• Durable craftsmanship that holds up over multiple seasons
• Flexible scheduling and willingness to fit clients in
• Personable, organized crews on site

Services: detached garage construction, garage additions conversions, garage permits design, custom finishes heated garages

★★★★★5 (27 reviews)score 85/100

PR Builder carries a perfect 5.0 rating across 27 reviews, with Pawan and his team praised for detailed written estimates and finishing ahead of schedule. They're licensed and insured across Ottawa, Nepean, Barrhaven, Kanata, and Orleans.

• Transparent, detailed written estimates with no hidden costs
• Finishes ahead of schedule in most reviews
• Clean worksites maintained daily
• Licensed, insured, and serves the greater Ottawa region

Services: detached garage construction

★★★★★5 (24 reviews)score 84/100

Best Handy Solution has a perfect 5.0 rating across 24 reviews with not a single complaint on record. Said and his crew are described finishing large builds, including a 14x12 gazebo, in a single day, while adjusting scope on the spot when parts run late.

• Perfect five-star record across 24 reviews
• Prompt response and reliable scheduling
• Completes complex builds like a 14x12 gazebo in one day
• No-charge follow-up if parts arrive late

Services: detached garage construction, carriage house laneway garage

★★★★★5 (18 reviews)score 83/100

Ottawa Contractors holds a perfect 5.0 rating across 18 reviews, with clients highlighting custom framing, trim work, and daily progress updates. Reviewers confirm labour rates of $45-$85 an hour with no surprise costs, and the crew manages permits and inspections directly.

• Perfect five-star record across 18 jobs
• Finish on schedule and on budget
• Daily progress photos and updates
• Handle permits and inspections in-house

Services: detached garage construction

★★★★★4.9 (46 reviews)score 81/100

Perfect Work Done posts a 4.9 rating across 46 reviews, with Anas (B.Eng, PMP) and his father praised for on-time or early finishes and fair, transparent pricing. Review depth is strong here at 96% five-star.

• On-time or early completion in most reviews
• Fair and transparent pricing
• Attention to detail and quality finish
• Strong communication throughout projects

Services: detached garage construction

★★★★★4.8 (19 reviews)score 81/100

RND Construction brings over three decades of experience and a 4.8 rating across 19 reviews, with a reputation built on Net Zero and energy-efficient design work. Reviewers point to meticulous detail both on and off site, along with dedicated follow-up after the job wraps.

• Net Zero and energy-efficient design expertise
• Meticulous attention to detail on- and off-site
• Transparent communication and straightforward pricing
• Dedicated post-project follow-up

Services: detached garage construction

★★★★★4.5 (101 reviews)score 81/100

OakWood carries the deepest history on this list, building in the region since 1956, with a 4.5 rating across 101 reviews. Named project managers like Mike Ortis and designers Drew Mason and Alicia Genyn walk clients through detailed 3D renderings before construction starts, backed by a workmanship warranty.

• Named project managers involved from start to finish
• In-house architects and designers deliver 3D renderings
• Workmanship warranty and transparent cost management
• Long operating history with multi-year client relationships

Services: detached garage construction

★★★★★5 (21 reviews)score 79/100

Malok Build holds a perfect 5.0 rating across 21 reviews, with owner Evgeniy praised for staying involved in planning and adjusting on the fly. Reviewers highlight fair pricing relative to quality and proactive follow-up on any post-completion issues, at no extra charge.

• Completed projects on time and on budget
• Fair pricing relative to quality delivered
• Proactive follow-up and warranty fixes
• Owner involvement in planning and problem-solving

Services: detached garage construction

★★★★★5 (23 reviews)score 78/100

C Tech Builders has a perfect 5.0 rating across 23 reviews, with owner Shiyas praised for spotting problems other contractors miss and keeping projects on budget. Work spans basements, kitchens, bathrooms, flooring, and plumbing.

• Owner Shiyas diagnoses problems others miss
• Transparent pricing and budget adherence
• Fast turnaround with hands-on project management
• Clean, professional work practices

Services: detached garage construction

★★★★★5 (12 reviews)score 76/100

Ottawa Carleton Construction holds a perfect 5.0 rating across 12 reviews, with owner Frank Porcari praised for hands-on leadership and deep knowledge of Ottawa building codes. Reviewers point to an in-house architecture and design team and responsive support after projects wrap.

• Owner Frank Porcari's hands-on involvement and code expertise
• Consistent on-time, on-budget delivery
• In-house architecture and design team
• Responsive post-project support

Services: detached garage construction, garage additions conversions, custom finishes heated garages, garage permits design

★★★★★5 (208 reviews)score 94/100

Garage Living carries the highest composite score on this list, backed by a perfect 5.0 rating across 208 reviews, the deepest review base of any builder here. Ryan and his crew are repeatedly credited with fixing botched prior work, grinding out failed floor coatings properly and installing lifts even on challenging slopes, while named technicians Samson, Nick, and Max get individual praise.

• Fixes poor prior work with proper grinding and finishing
• Named, skilled technicians praised by clients
• Punctual completion and clean job sites
• Hands-on demos and explanations throughout the job

Services: detached garage construction, garage doors openers, garage additions conversions, garage permits design

★★★★☆4.4 (240 reviews)score 75/100

Ottawa General Contractors has the largest review base on this list at 240 reviews, with a 4.4 rating reflecting a mixed but mostly positive track record. Project managers Murad and George earn praise for pace and problem-solving on major renovations, though sentiment here runs more mixed than the rest of this list.

• Dedicated project managers for every job
• Quality finishes and attention to detail on recent work
• Quick turnaround on projects
• End-to-end design and planning services

Services: detached garage construction, garage additions conversions, garage permits design, custom finishes heated garages