Custom Home Builder in Mississauga
Jash Design & Build is a custom home builder in Mississauga with over 15 years of experience providing custom homes, semi-custom homes, full home renovations, home additions, and commercial renovations. From Port Credit and Lakeview to Lorne Park, Clearview, and other established neighbourhoods near the lake, our team manages planning, permits, design coordination, construction, and site care with one standard in mind: do it right the first time.
Jash Design & Build Company
Jash Design & Build was founded by Ash Moeini in 2009 and serves high-end residential and commercial clients across the GTA. As a licensed, WSIB-compliant, Gold Seal certified company with $5 million liability coverage, we bring experience, accountability, and strong construction management to every project. Ash leads with a hands-on approach, personally staying involved in site quality, planning, and execution.

What Our Trusted
Clients Saying
Highly rated by homeowners and property owners across the GTA.



Our Design-Build Services Mississauga
Our design build services in Mississauga support homeowners and property owners from the first site review to final walkthrough. We coordinate permits, drawings, materials, schedules, trades, site protection, and construction management for residential and commercial projects.

Custom Homes Mississauga
Our custom homes in Mississauga are built for clients who want greater control over layout, finishes, ceiling heights, and architectural details. We work with architects and engineers, review property conditions early, coordinate permits, and manage construction with experienced trades and steady oversight.

Semi-Custom Homes Mississauga
Our semi-custom homes in Mississauga offer a more cost-efficient new build option with a more structured construction process. Using pre-built or modular elements where appropriate, semi-custom homes can help reduce timelines while still allowing clients to make important design and finish decisions.

Full Home Renovations Mississauga
Our full home renovations in Mississauga are designed for homeowners updating older properties, improving layouts, or rebuilding major interior spaces. We manage demolition, structural work, kitchens, bathrooms, basements, flooring, finishes, and site protection so the renovation moves forward with control and clarity.

Home Additions Mississauga
Our home additions in Mississauga help families add space without leaving the neighbourhood they value. We manage additions, pop-ups, expanded kitchens, family rooms, and second-storey work with attention to permits, structure, exterior continuity, access, and daily site organization.

Basement Renovation Mississauga
Get more from your lower level with basement renovation services in Mississauga from Jash Design & Build. We coordinate layouts, permits, trades, flooring, lighting, bathrooms, and finishing details to create a comfortable, functional space that works for your family.

Commercial Renovations Mississauga
Jash Design & Build provides commercial renovations in Mississauga for business owners, landlords, and property managers who need organized construction and reliable communication. Our commercial renovation services include offices, restaurants, medical offices, dental offices, and shell-to-finish interiors.
Why Choose Jash Design & Build
For Mississauga homeowners planning a major renovation or custom build, Jash Design & Build brings the structure, trade relationships, and site discipline needed to move forward with confidence at home.

Doing It Right the First Time
Our approach to construction management in Mississauga is built on planning, education, and proper site oversight, helping clients avoid rushed decisions and preventable construction issues.
End-to-End Construction Management
We manage drawings, permits, materials, trades, schedules, site reviews, and final walkthroughs so homeowners are not left coordinating a complex project alone.
Hand-Picked Trades & Long-Standing Relationships
Our trades are licensed, experienced, and selected through long-term working relationships. This helps create consistency, accountability, and better workmanship across each project.
Your Investment is Protected
We use floor coverings, dust barriers, controlled demolition practices, and site preparation to reduce avoidable damage in finished homes and active commercial spaces.
Design-Forward Thinking
Our design-build process balances strong construction knowledge with thoughtful planning, helping Mississauga clients create homes that feel current, functional, and built to last.
Clear Communication
Clients receive progress updates, site photos, and a clear point of contact throughout the project, giving them better visibility during major renovations and new builds.
Browse Our Recent Projects
NORTON CUSTOM HOME ESTATE
TRANSITIONAL CUSTOM HOME
ASHLEY PARK CUSTOM HOME
How Much Does It Cost to Build a Custom Home in Mississauga?
The cost to build custom homes in Mississauga depends on lot conditions, square footage, structure, finishes, architectural detail, and permit requirements. As a general guide, fully custom homes are approximately $400 to $500 per square foot, while semi-custom homes are approximately $320 per square foot.
Serving Mississauga & the GTA
Serving Mississauga, Port Credit, Lorne Park, Mineola, Streetsville, Erin Mills, and Clarkson, Jash Design & Build manages full renovations, additions, and custom homes with careful local planning.
Schedule Your Feasibility Study
Planning a luxury home renovation in Mississauga, custom home, semi-custom home, addition, or commercial project? Schedule your feasibility study with Jash Design & Build and start with clear, experienced guidance.