Basement Renovation
in Ajax, Ontario
Ajax basement renovations average $22,000–$65,000+. Ajax families love finished basements for added living space and rental income. Free AI estimate in minutes.
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Ajax Basement Renovation Costs
Open-Concept Finish
$22,000 – $36,000
Insulation, drywall, LVP flooring, pot lights, electrical. One open living area — rec room, home gym, or family space.
With Bedroom & Bathroom
$32,000 – $50,000
Open-concept finish plus one bedroom and 3-piece bathroom. Most popular Ajax basement project for growing families.
Legal Rental Suite
$42,000 – $65,000+
Secondary suite with kitchen, 3-piece bathroom, and separate entrance. Requires Town of Ajax permit. Generates rental income.
Ajax Basement Renovation FAQ
How much does it cost to finish a basement in Ajax?
Finishing a basement in Ajax costs $22,000–$65,000+ depending on scope. An open-concept finish runs $22,000–$36,000. A full finish with bedroom and bathroom costs $32,000–$50,000. A legal rental suite runs $42,000–$65,000+. Ajax rates are approximately 14–16% below Toronto core.
Is Ajax a good city for basement rental suites?
Yes. Ajax has a strong rental market — two-bedroom basement suites rent for $1,500–$1,800/month. With a legal suite costing $42,000–$65,000, a well-executed project can break even in 2.5–3.5 years through rental income alone. Ajax's strong family demographics also mean strong demand from people looking for in-law suites.
What is the most popular basement project in Ajax?
The most popular Ajax basement renovation is a full finish with a bathroom and at least one bedroom — the $32,000–$50,000 range. This gives families an additional bedroom for guests, a home office, and a 3-piece bathroom that makes the space fully functional. Ajax families with teenagers especially value this configuration.
Do I need a permit for a basement renovation in Ajax?
Yes. Town of Ajax Building Services (905-619-2529) requires permits for basement finishing work. This includes framing, electrical, and plumbing. Secondary suite permits require additional approvals. Budget $600–$1,800 for permits and 3–5 weeks for approval.
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