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Rental Income Suites in Mississauga - Design, Permits, Construction
Rental Income Suites in Mississauga, Ontario: design, permit and build on a single contract. A typical 700 sq ft unit estimates at $273,500-$367,000 (about $391/sq ft), with $6,500-$11,000 in municipal approvals and a April-November construction season.
Homeowners across the GTA who want a second dwelling that pays for itself. We size, permit and build a legal rental suite on your existing lot so the unit meets Ontario Building Code fire separation and egress rules and can be tenanted from the day occupancy is signed off.
Service area
Mississauga, Ontario
Peel Region
Typical build estimate
$273,500-$367,000
about $391/sq ft in Mississauga
Municipal approvals
$6,500-$11,000
quoted separately from the build
Build season
April-November
112 cm snow · -3.4°C winter avg
Frost depth
1.2 m
footing depth, OBC Part 9
Local market
717,961
residents · walkability 58/100
Rental Income Suites in Mississauga: local conditions
Mississauga's ARU by-law caps accessory structures at 10% rear-yard coverage, which on a typical Erin Mills lot works out to roughly 645 sq ft - enough for a two-bedroom garden suite but not for the three-bedroom units clients often ask about first. We size the concept to that percentage before drawing anything. Mississauga permits additional residential units under its 2022 ARU by-law - up to two units in the main dwelling plus one in an accessory structure, subject to a maximum 10% rear-yard coverage.
Large 1970s-90s subdivision lots with attached garages; garage conversions and rear coach houses are both common outcomes.
Rental Income Suites on a Mississauga lot: what's involved
A unit built to rent is designed around durability and turnover: finishes that survive tenancies, a laundry hookup inside the suite, and metering arranged so utilities are not argued about later. We register the unit properly with Peel Region so it is a legal second dwelling from day one - an unregistered suite in Mississauga is uninsurable and unenforceable against a tenant. Mississauga's 717,961 residents and employers including Pearson International Airport and Trillium Health Partners set the realistic rent, which is the number the whole build budget should be tested against.
Detached garden suite rented as a self-contained one-bedroom
Legal basement apartment with separate entrance and egress window
Laneway house tenanted year-round for long-term rental income
Second-suite registration and fire-code retrofit on an older home
Frequently Asked Questions
Everything you need to know about our services.
A typical 700 sq ft build in Mississauga estimates at $273,500-$367,000 - about $391/sq ft, set by $6,500-$11,000 in approvals, a 1.2 m frost-depth footing requirement and 112 cm of annual snow load. Final pricing follows the site visit.
Related service: Our ADU services
Mississauga permits additional residential units under its 2022 ARU by-law - up to two units in the main dwelling plus one in an accessory structure, subject to a maximum 10% rear-yard coverage. Approval costs in Mississauga run $6,500-$11,000, quoted separately from construction so the permit stage holds no surprises.
Related service: Secondary Suites
Large 1970s-90s subdivision lots with attached garages; garage conversions and rear coach houses are both common outcomes. Mississauga scores 58/100 on walkability, so many tenants here do not need the extra parking space - that frees rear-yard area for the unit itself. We work regularly in Port Credit, Streetsville, Cooksville.
Related service: Garage Conversions
Yes - a second dwelling has to be a legal, permitted unit with Peel Region before it is tenanted. An unregistered suite in Mississauga typically voids the property insurance, cannot be enforced under the Residential Tenancies Act, and becomes an open liability at resale.
Related service: Our ADU services
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In this municipality
ADU types available here.
Accessory Dwelling Units→Laneway Homes→Garden Suites→Basement Suites→Secondary Suites→ADU Construction→ADU Building Permit→Garage Conversions→ADU Plans→Detached ADU→Laneway House Design→Prefab ADU→Rental Income Suites→In-Law and Multigenerational Suites→Aging in Place→Backyard Home Offices→Real Estate Investors→Guest and Visitor Suites→Student and Young-Adult Housing→Short-Term Rental Hosts→Accessible and Barrier-Free Units→Garage Conversions→Prefab and Modular Buyers→Custom Architect-Led Builds→