Diamond H&A Builders

Welcome to

Diamond H&A Builders

Renovate | Innovate | Elevate

Residential & Commercial Construction. Done Properly.

 

We deliver residential & commercial renovations, and design-build projects across the GTA, from single-family homes to multi-unit apartments and active commercial spaces.
Our focus is straightforward: clear scope, solid execution, and results that hold up long after handover.

Who we are

Diamond H&A Builders is an Ontario-based contractor delivering residential construction, commercial renovations, and scoped design-build work across the GTA. We work with homeowners, architects, developers, and alongside general contractors, providing reliable execution on projects ranging from private homes and home extensions to multi-unit residential and active commercial and industrial spaces.

What we do

Diamond H&A Builders delivers residential construction, commercial renovations, and scoped design-build work accross the GTA. From private homes and additions to multi-unit residential buildings and active commercial spaces, we focus on clear scope, disciplined execution, and dependable results.

Built for Real Projects

Our work spans residential, commercial, and institutional environments where coordination matters and mistakes are costly. We work directly with homeowners, developers, architects, and general contractors, either leading construction or supporting a larger project team, depending on the project’s needs.

We’re often brought in for projects that require:

  • defined scopes,

  • reliable site management,

  • and crews that can work efficiently in occupied or time-sensitive spaces.

Residential & Community Living Services

We undertake residential construction and renovation projects ranging from private homes to larger residential buildings and community-focused environments.

Custom Homes & Home Extensions
Ground-up homes and residential additions, including architect-designed extensions and structural expansions.

Interior Renovations & Additions
Kitchens, bathrooms, full-home renovations, and interior reconfigurations delivered with attention to detail and long-term durability.

Multi-Unit Residential Projects
Renovations and construction work in apartment buildings, stacked townhomes, and multi-residential environments.

Senior Living & Community Housing Projects
Renovations and interior fit-outs designed to meet regulatory, accessibility, and operational requirements.

Exterior & Site Enhancements

Decks, exterior finishes, and related site improvements tied into broader construction scopes.

Commercial & Institutional Services

We deliver commercial construction and renovation services across a range of sectors, including retail, hospitality, offices, community facilities, and public-facing buildings.

Interior Fit-Outs
Office, retail, restaurant, and hospitality renovations delivered with attention to sequencing, finishes, and operational continuity.

Commercial Renovations & Tenant Improvements
Scoped upgrades to leased and owner-occupied spaces, including layout modifications, millwork, finishes, and services coordination.

Design-Build
When appropriate, we provide design-build delivery in collaboration with architects and consultants, focused on constructability, budget control, and execution.

Franchise & Multi-Location Rollouts
Consistent execution across multiple locations, with repeatable scopes and predictable timelines.

Structural Repairs & Modifications
Framing, concrete, and structural reinforcement work coordinated with engineering requirements and existing conditions.

Flooring Installations
Commercial-grade flooring systems including vinyl plank, epoxy, rubber, and high-traffic finishes.

Back-to-Base Fit-Outs
Demolition and restoration of units to base condition for tenant turnover or redevelopment.

Construction Management & GC Support

Site supervision, scheduling, trade coordination, and execution support for owners and general contractors.

Project Experience

We take pride in our diverse portfolio, delivering high-quality projects across multiple sectors. Our commitment to excellence has led us to successfully complete projects such as:

Commercial Projects

Pizza Pizza

Over 55 locations across Ontario, involving full-scale interior and exterior renovations, remodeling, and custom millwork.

Hero's Barbershop

A complete barbershop transformation, including demolition, fit-out, custom millwork, and custom furniture.

Business Centre

Full interior decoration and fit-out, integrating timber finishes and custom millwork for workspaces.

Lavazza Coffee Shops

Interior design and fit-outs for multiple locations, ensuring brand consistency and high-end aesthetics.

CIBC SQUARE, Drake Hotel & Hullmark Centre

Delivered site improvements, protection and safety measures, material handling, and finishing work for high-profile commercial developments.

McDonald's Kitchener & Elora

Completed floor and wall tiling renovations, including demolition and installation, for two McDonald’s locations in Kitchener and Elora.

El Jefe de Pollo

Interior refresh for a Toronto-based restaurant including painting, ceiling tile replacement, lighting enhancements, and décor adjustments to improve ambience with minimal disruption.

Dolan Foods

Structural and cosmetic restoration of a commercial facility following transport truck damage, including framing, concrete repairs, siding replacement, and interior/exterior finishing to restore functionality and curb appeal.

Metal Top Trench Drain

Completed installation of a new trench drainage system, part of Phase I Exterior Maintenance at MIC. Work included precision concrete cutting, trench drain placement, reinforced downspout connections, and fresh concrete finishing.

Curb, Speed Bumps & Line Painting

Completed repainting of curbs, speed bumps, and traffic lines as part of Phase I Exterior Maintenance at MIC. Scope included surface preparation, safety coatings, multiple coats for durability, and careful sequencing to minimize disruption to daily activities.

MIC Phase I

Comprehensive exterior maintenance completed, including concrete curb repairs, stucco repairs, drainage pipes, glass block replacements, speed bump grinding, welding, window and door sealing, and façade touch-ups. 

Full Apartment Building Renovation

Comprehensive renovation of a multi-residential building. The project scope includes upgrades to residential units for a 20-storey apartment building, along with improvements to common spaces such as hallways and the lobby.

Residential Projects

Townhouse Community

1,891 townhouses with complete design solutions and high-end finishes.

House Renovation, Richmond Hill

Full-scale home transformation, including new interiors, deck construction, and landscaping.

Home Extension & Renovation, St. Catherines

A complete overhaul of interior spaces, focusing on modern finishes, enhanced layouts, and improved functionality to create a more spacious and contemporary home.

House Renovation, Ajax

Comprehensive remodeling of multiple properties to modernize interiors and exteriors.

Cottage Exterior Improvements, Blue Mountain

Landscaping, interlocking, and deck construction to elevate outdoor living spaces.

Garage Epoxy, Waterdown

Durable garage upgrade featuring a flake epoxy coating for a modern, low-maintenance finish. Includes shelving installation, and storage solutions.

Why choose us?

Clear Scope.
Clean Execution

Built for
Active Sites

Reliable
Execution

Easy to
Work With

Residential & Commercial
Experience

Practical, Cost-Aware
Solutions

Contact us

Location

Toronto | Mississauga
Canada

Email

info@diamondhabuilders.com

Phone

(647) 802-0439 | (647) 803-3381

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