Expand with Purpose.
Add with Precision.
Basement Developments
& Home Additions
Unlock New Space Without Leaving Home
Whether you need more space for family, hobbies, guests, or income potential — a finished basement or thoughtful addition can transform your home. We help homeowners across Victoria, West Vancouver, and the Gulf Islands add space and value with minimal disruption.
Our designs consider light, function, flow, and code compliance — so your new space feels like it was always part of the plan.
_LE_upscale_balanced_x2_light_ai_40.jpg)
Engineered for Seamless Integration
Structure, Utilities & Style that Match
From tying into existing HVAC and plumbing to matching rooflines and exterior finishes, we ensure every addition feels intentional and cohesive. We also design basements for maximum headroom, natural light, and moisture control.
Our additions and lower-level spaces are built with the same attention to detail as new homes. No shortcuts, no mismatches.
Smart, Flexible Living Solutions
Suites, Studios, Offices & More
We build with adaptability in mind. Whether it’s a legal rental suite, aging-in-place design, home gym, or media lounge. Your expanded square footage is tailored to your lifestyle now and your needs down the road.
Permitting, zoning, inspections, we manage the entire process so your project stays on track and stress-free.
Why Choose MayneStream Solutions?
FAMILY-OWNED AND OPERATED, ROOTED IN LOCAL VALUES
DECADES OF CLIENT SATISFACTION AND WORD-OF-MOUTH REFERRALS
IN-HOUSE CREWS FOR CONSISTENT QUALITY CONTROL
DEEP EXPERTISE IN WEST COAST CONSTRUCTION AND CLIMATE
TRANSPARENT COMMUNICATION AND PERSON-TO-PERSON RELATIONSHIPS