SMI Builds

Legal Duplex & Triplex Conversions

Turn a single-family home or duplex into a compliant income property. SMI Builds manages design, permits, fire separations, egress, and full construction — delivering safe, legal, rentable suites.

Discuss Your Conversion

Typical Conversion Paths

  • Bungalow → Duplex: add a self-contained secondary suite
  • Duplex → Triplex: create a new third unit where zoning allows
  • Basement Suites: code-compliant layouts with proper egress and fire ratings

Compliance & Code Items We Handle

  • Design drawings, engineering coordination, permit submissions
  • Fire separations, sound ratings, and smoke/CO requirements
  • Emergency egress, ceiling heights, natural light/ventilation
  • Electrical/plumbing upgrades and inspections

Why Investors Choose SMI Builds

  • We know the approvals process and keep it moving
  • Clear timelines, transparent costs, and tidy job sites
  • Modern, durable finishes suitable for rentals
  • End-to-end service: design → permits → build → final inspection

Next Step

Tell us what you’re aiming to achieve (unit count, target rent, budget, and timeline). We’ll confirm feasibility, outline the permit path, and map the fastest route to a legal, rentable suite.

Request a Consultation