Window Cleaning in Toronto & GTA
Streak-free interior and exterior window cleaning — from routine maintenance to post-construction restoration.
Safe and Systematic Window Cleaning Standards
Work according to a checklist
Window cleaning is performed according to a structured checklist based on window type, access level, and cleaning scope.
Quality and safety inspection
Each service is checked to ensure windows are cleaned properly and all safety and access requirements are met.
Support & Experienced staff
Cleaning is carried out by trained teams experienced in residential and commercial window cleaning, including multi-level access.
Insurance and liability
All window cleaning services are fully insured, providing coverage for property, glass surfaces, and surrounding areas.
Window-safe cleaning solutions
We use streak-free, residue-free solutions suitable for glass, frames, and window hardware in indoor and outdoor conditions.
Fixed service scope
Window cleaning scope and pricing are defined based on window count, size, access level, and selected services — no hidden fees.
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Windows Cleaning Services
Window cleaning services cover a wide range of property types, access levels, and usage scenarios. Residential homes, condos, storefronts, office buildings, and high-rise properties all require different approaches based on window placement, height, exposure, and frequency of cleaning.
Leronzo Cleaning Group provides window cleaning services structured by property type and service scenario rather than a single universal method. Each category below addresses specific access requirements, safety considerations, and service scope to ensure consistent results across residential, commercial, and high-access environments.
Explore our window cleaning services by category to find the solution that matches your property, window type, and service needs across Toronto and the Greater Toronto Area.
Window & Glass Cleaning Services
Professional window cleaning services for residential and commercial properties in Toronto and GTA, covering interior and exterior glass, frames, and accessible window types.
View pricing instantly — no calls, no registration.
Meet our cleaning experts
Professionally trained. Personally dedicated. 5.0+ rated.
Timur
Specialization:
Complex projects and deep cleaning. 
Artem
Tetiana
Specialization:
Regular maintenance and eco-friendly care. 
Mia
Specialization:
Client-focused and ensuring your comfort. 
Kamila
Before & After Window Cleaning Results
We constantly monitor the quality of services provided.
Make sure of the professionalism of our employees by looking at the photos of the work performed.
What Our Clients Say
Window Cleaning Pricing Overview
Our window cleaning prices are based on window size, access level, and total glass area.
Residential window cleaning is calculated by window type (small, medium, large), while commercial window cleaning is priced by total glass surface area in square feet.
Use the calculator below to get an exact price for your property in seconds.
Residential Window Cleaning
Commercial Window Cleaning
Professional Window Cleaning Services | Leronzo Cleaning Group
Window Cleaning for Clarity, Safety, and Property Appearance
We provide professional window cleaning services for residential and commercial properties across Toronto and the GTA, including interior window cleaning, exterior glass washing, frame detailing, and high-access window maintenance.
Windows are constantly exposed to dust, pollution, mineral deposits, moisture buildup, and environmental contaminants. Over time, these factors reduce natural light, affect visibility, and can even damage glass surfaces and window hardware.
Routine wiping removes only surface dirt, while professional window cleaning is required to eliminate stubborn residues, restore transparency, and protect glass integrity.
Leronzo Cleaning Group delivers structured window cleaning solutions for houses, apartments, offices, retail spaces, and multi-story buildings — using professional equipment, purified water systems, and streak-free cleaning techniques adapted to each property type.
Types of Window Cleaning Services We Offer
Different properties and window configurations require different cleaning approaches depending on height, accessibility, contamination level, and glass type.
Our window cleaning services are designed to provide flexible solutions for both routine maintenance and intensive restoration cleaning.
Clients can choose from a range of specialized window cleaning options, including:
• House Window Cleaning
• Condo & Apartment Window Cleaning
• Commercial Window Cleaning
• Interior Window Cleaning
• Exterior Glass Washing
• Frame, Sill & Track Cleaning
• High-Access & Multi-Level Window Cleaning
• Post-Construction Window Cleaning
Each service is structured to ensure consistent results, safe cleaning methods, and predictable outcomes for every window type.
How Professional Window Cleaning Differs from Basic Cleaning
Cleaning windows properly requires specialized tools and techniques that go far beyond basic wiping or household cleaning methods.
Glass surfaces accumulate microscopic mineral deposits, airborne pollutants, grease particles, and hard-water stains that cannot be removed with standard cleaning solutions.
Professional window cleaning uses controlled water purification systems, streak-free detergents, and precise drying methods to safely remove contaminants without scratching glass, damaging seals, or leaving residue.
Our cleaning process focuses on glass assessment, stain treatment, safe access planning, and systematic cleaning procedures to ensure long-lasting clarity and surface protection.
Choosing the Right Window Cleaning Service
Selecting the correct cleaning level depends on window condition, exposure to weather, frequency of maintenance, and the presence of stains or buildup.
Routine maintenance cleaning helps preserve clarity and prevent dirt accumulation, while deep cleaning is recommended for neglected windows, construction residue, mineral deposits, or heavily exposed commercial façades.
Understanding these differences ensures the most effective cleaning method is chosen for each property.
Safe, Insured, and Professional Window Cleaning
Leronzo Cleaning Group provides fully insured window cleaning services performed by trained specialists using professional-grade equipment and safe cleaning solutions.
Our structured cleaning standards prioritize safety, consistent results, and protection of glass surfaces, frames, and surrounding areas.
Areas We Serve
Leronzo Cleaning Group provides window cleaning services throughout Toronto and the Greater Toronto Area.
We regularly serve clients in:
Downtown Toronto, North York, Scarborough, Etobicoke, Mississauga, Markham, Vaughan, Richmond Hill, Pickering, Ajax, Whitby, Oshawa, and surrounding communities.
Explore Our Window Cleaning Services
To learn more about specific window cleaning solutions, visit the individual service pages listed above.
Each page provides detailed information about cleaning methods, recommended use cases, and service scope based on property type, access conditions, and cleaning requirements.
Areas We Serve Across The GTA
Got Questions? Let’s Clear Things Up
We provide scalable services for businesses of all sizes, including office towers, retail storefronts, shopping malls, restaurants, medical facilities, warehouses, and institutional buildings. Our crews and equipment are equipped to handle anything from a small shop front to a multi-story façade.
We are experts in non-disruptive cleaning. We work with you to create a schedule—often during off-hours, nights, or weekends—that avoids peak customer or employee activity. For storefronts, we can work in short, efficient blocks. Our crews are efficient, professional, and mindful of your workspace.
We operate to the highest safety standards. We are fully licensed and insured with comprehensive general liability and WSIB coverage. Our teams are trained in fall protection, equipment use, and site-specific safety protocols to ensure every project is completed without incident.
Yes, we have the capability and partnerships to manage complex projects. For high-rise or complex façades, we employ or subcontract certified technicians using boom lifts, swing stages, or controlled descent (rope access) systems as required, always following strict safety regulations.
Yes, we specialize in creating customized maintenance programs. Regular scheduled cleanings (e.g., monthly, quarterly, bi-annually) are the most cost-effective way to maintain a pristine professional image, prevent buildup, and ensure your property always looks its best for clients and employees.
A standard cleaning focuses on the glass for clarity. A detailed or building restoration clean is more comprehensive, including window frames, metalwork, soffits, entrance canopies, and exterior light fixtures. We can provide a quote for either service level based on your property's needs.
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