Basement Renovation Richmond Hill: 2026 Cost & Process Guide
Basement renovations in Richmond Hill cost from $30,000 (family-use rec room finish) to $200,000+ (legal basement apartment with underpinning and separate exterior entrance). Ceiling height, waterproofing scope, and whether you’re building a legal rental suite are the biggest cost drivers. Country Renovations works across Richmond Hill including Oak Ridges, Bayview Hill, Mill Pond, Jefferson, Westbrook, South Richvale, Richvale, Crosby — with City of Richmond Hill permit experience and the HCRA + Tarion compliance stack required for new builds and substantial additions.
Why Country Renovations. Building across Toronto and the GTA — including Richmond Hill — since 2014. HCRA-registered, Tarion-enrolled for qualifying projects, WSIB-cleared, $5M general liability insured. Free written fixed-price quote in 5 business days. Book a free site visit →
Key Takeaways for Richmond Hill Homeowners
- Refresh / Good tier: $31,500 – $47,250
- Mid-range / Better tier: $66,937 – $90,562
- Premium / Best tier: $147,000 – $210,000+
- City of Richmond Hill plan review: 15–20 business days service standard for residential permits
- Richmond Hill market tier: premium
Basement Renovation Services in Richmond Hill
- Family-use finished basement — $30,000 – $120,000
- Legal basement apartment — $85,000 – $300,000+
- Underpinning to gain ceiling height — $400 – $700 per sq ft of basement
- Egress window cut & install — $5,500 – $9,500 per window
- Basement bathroom rough-in & build — $14,000 – $28,000
- Sump pump + backwater valve install — City of Toronto subsidies available
- STC 50 sound separation (legal apartments) — $3,500 – $8,500
Richmond Hill Permit & Process Reality
Properties north of Bloomington fall under Oak Ridges Moraine regulation — environmental constraints on excavation and septic. Bayview Hill and South Richvale see the highest renovation budgets in the city.
Basement renovation permits in Richmond Hill are required for any new plumbing, structural work, egress windows, electrical service changes, or creating a new dwelling unit (legal apartment).
For second-suite specifics: second suites are permitted as-of-right post-Bill 23. Country Renovations pulls all permits on your behalf as part of every project — including stamped drawings, structural engineering letters where required, and the AST or municipal portal submission.
Richmond Hill Basement Renovation Cost Table (2026 CAD)
| Tier | Total Cost (CAD 2026) | Richmond Hill Notes |
|---|---|---|
| Good / Refresh | $31,500 – $47,250 | Like-for-like scope; minor cosmetic changes |
| Better / Mid-Range | $66,937 – $90,562 | Full scope, mid-range materials, common in Richmond Hill |
| Best / Premium | $147,000 – $210,000+ | Custom finishes, structural changes, premium materials |
The Country Renovations Process in Richmond Hill
- Free Site Visit (Day 1). We measure the space, assess existing conditions, and discuss scope at no charge.
- Written Fixed-Price Quote (within 5 business days). Line-itemed proposal — materials, labour, permits, contingency, timeline.
- Design & Selections. Floor plans, finish selections, 3D renderings for premium projects.
- Permits & Engineering. City of Richmond Hill permit submission, structural engineering if required, ESA filing for electrical scope, TSSA for gas.
- Build. Daily check-ins with your project manager. Single accountable point of contact throughout.
- Final Inspection & Handover. Building inspection, ESA pass certificate, complete site clean.
Frequently Asked Questions — Basement Renovation Richmond Hill
How much does a basement renovation cost in Richmond Hill in 2026?
A family-use finished basement in Richmond Hill costs $30,000 – $120,000. A legal basement apartment runs $85,000 – $300,000+ depending on whether underpinning and a separate exterior entrance are required.
Are legal basement apartments allowed in Richmond Hill?
Yes — second suites are permitted as-of-right post-Bill 23. Compliance with Ontario Building Code Part 9 and Ontario Fire Code Section 9.8 is mandatory regardless of municipality.
How long does a basement renovation take in Richmond Hill?
A family-use finished basement takes 6 – 14 weeks on site. A legal basement apartment with underpinning takes 27 – 50 weeks total from design to final inspection.
Get a Free Quote in Richmond Hill
Country Renovations has been delivering basement renovation projects across Richmond Hill and the GTA since 2014. HCRA-registered. Tarion-enrolled for qualifying projects. WSIB-cleared. $5M insured. Book a free site visit and you’ll receive a written, fixed-price quote with credentials attached in 5 business days.