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Keystone Developments

Keystone Developments

Home Builders
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About Us

Locally owned
Offers Custom Work
Published locally
Refined spaces crafted with precision, care, and timeless quality.
Keystone Developments is a full-service custom home builder and general contractor serving the Greater Toronto Area and Muskoka, specializing in luxury custom homes, multiplex construction, home additions, whole-home renovations, and aging-in-place remodeling. Known for exceptional craftsmanship, meticulous attention to detail, and transparent project management, the company delivers high-quality residential construction from concept to completion. Keystone Developments provides comprehensive design-build services, including design coordination, permit management, construction planning, budgeting, project management, and expert construction. Every project is tailored to the client's goals, whether building a custom home, creating income-generating multiplex properties, expanding an existing residence, or transforming a home through luxury renovations. The company has extensive experience in custom home construction, legal basement and multiplex development, structural additions, kitchen and bathroom remodeling, interior and exterior renovations, and accessible home modifications. Keystone also specializes in aging-in-place solutions, incorporating universal design principles, barrier-free layouts, and custom residential elevator integration to create safe, functional homes that adapt to homeowners' changing needs. By combining innovative building practices with premium materials and skilled craftsmanship, Keystone Developments creates beautiful, durable, and energy-efficient homes designed for modern living and long-term value. Their collaborative approach ensures clear communication, accurate timelines, and quality workmanship throughout every stage of the construction process. Homeowners and real estate investors across the Greater Toronto Area and Muskoka choose Keystone Developments for personalized service, reliable execution, and outstanding results. Whether constructing a luxury custom home, developing a multiplex investment property, completing a major home addition, or renovating for accessibility, Keystone delivers expertly built spaces that combine timeless design, functionality, and lasting quality.

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Business Details

Business Name

Keystone Developments

Phone Number

(416) 998-7504

Address

53 Woodstream Blvd
Unit 1
Vaughan, Ontario L4L 7Y8
Canada

Typical Job Cost

CAD 25,000 - CAD 1,500,000

CAD 25,000 - CAD 1,500,000

Followers

2 Followers

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Services Provided

New Home Construction

Custom Homes

Home Remodeling

Home Additions

Home Extensions

Energy-Efficient Homes

Multigenerational Homes

Guesthouse Design & Construction

Accessory Dwelling Units (ADUs)

Green Building

Project Management

Pool House Design & Construction

Garage Building

Home Restoration

House Framing

Barn Design & Construction

Sustainable Design

Historic Building Conservation

Site Planning

Handicap-Accessible Design

Modular Home Additions

General Contracting

Bathroom Remodeling

Kitchen Remodeling

Basement Remodeling

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Areas Served

Aurora

East York

Etobicoke

Markham

Mississauga

Muskoka District Municipality

North York

Northyork

Oakville

Richmond Hill

Toronto

Vaughan

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Credentials

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Frequently Asked Questions

Yes, we absolutely handle permitting and inspections for new home construction. Our comprehensive services include design coordination, securing all necessary permits, and full project management to ensure your build progresses smoothly and compliantly from start to finish.

Yes, building fully custom homes is one of our core specialties. We work closely with homeowners, architects, and designers to bring your unique vision to life, ensuring a personalized approach to every detail of your dream home.

Absolutely, we specialize in new home construction from the ground up. Our expertise covers custom homes, multiplex construction, and full-service residential projects, delivering high-quality, sustainable buildings that stand the test of time.

Yes, we absolutely assist with site evaluation and planning. Our services include comprehensive site planning, and our process begins with thorough analysis to ensure the optimal foundation for your new home or project.

Yes, we specialize in building luxury and high-end homes, as well as luxury renovations. We are known for our detail-driven approach and commitment to quality, ensuring every project is delivered with precision and meets the highest standards of craftsmanship and enjoyment.

FAQ content may be generated based on the Pro's Houzz profile and website.

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Keystone Developments
Average rating: 5 out of 5 stars
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