Coquitlam Secondary Suite Guide: Rules & Costs 2025
Secondary Suites in Coquitlam
The City of Coquitlam permits secondary suites in all RS (Residential Single Detached) zones. As housing costs rise, suite conversions have become one of the most popular renovation projects in Coquitlam, with strong rental demand from SFU and Kwantlen students.
Coquitlam Secondary Suite Rules
- Allowed zones: RS-1, RS-2, RS-3, RT-1, and most single-family designations
- Maximum size: 90 sq m (968 sq ft) or 40% of gross floor area
- Minimum ceiling height: 1.95m (6’5″)
- Separate entrance: Required — must have direct exterior access
- Fire separation: 1-hour fire-rated assembly between suite and main unit
- Parking: 1 additional parking space required
Permit Requirements
Apply through Coquitlam’s eServices portal. Required documents: site plan, floor plan, electrical and plumbing details. Permit processing: 4–8 weeks.
Construction Cost Ranges
| Suite Scope | Cost Range |
|---|---|
| Basic (existing basement) | $48,000–$90,000 |
| Standard renovation | $85,000–$130,000 |
| Premium finish | $120,000–$175,000 |
Rental Income
Coquitlam basement suites rent for $1,700–$2,300/month. ROI payback period: 4–7 years.
VGC serves Coquitlam and surrounding areas. View all renovation services in Coquitlam →
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