Commercial Window Cleaning
Window cleaning for commercial buildings and storefronts — planned around operating hours, visibility needs, and safe access conditions.
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Cleaning Services Designed for Window Cleaning
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.
How Commercial Window Cleaning Is Structured
Commercial window cleaning requires a controlled, access-aware workflow due to varied building heights, glass surface types, and operational constraints. Offices, storefronts, and multi-storey properties accumulate traffic film, fingerprints, and weather residue unevenly across exterior façades, interior partitions, and high-touch zones, making ad-hoc cleaning inconsistent.
Leronzo Cleaning Group structures commercial window cleaning around total glass area, access method, floor level, and surface condition. Each service follows a repeatable zone-by-zone workflow designed to clean glass, frames, tracks, and sills with predictable results while maintaining site safety and minimizing disruption. Cleaning intensity is adjusted by condition using Regular, General, or Deep service levels.
This service fits scheduled maintenance, appearance resets before inspections or events, and ongoing upkeep for active commercial environments where clarity and consistency matter.
Choose your window cleaning level
Pick the level based on your window condition — Regular, General, or Deep.
Regular Window Cleaning
Effortless Maintenance for Crystal-Clear Windows
Interior Windows & Glass Surfaces:
Light wipe & polish of glass and frames- Removal of fingerprints and light dust
- Streak-free finish
Exterior Windows & Entrances:
- Light exterior wash to remove dust, pollen, and rain marks
- Rinse & wipe-down of patio doors and balcony windows
- Frame and sill cleaning up to 20 cm (8 in)
Screens & Tracks:
- Dry brushing and surface dust removal
- Quick vacuum or wipe of accessible tracks
- Prevents surface dust buildup
maintained on a regular cleaning schedule.
Light daily use with no visible buildup- Regular maintenance every 1–2 months
- Windows with limited exposure to pollution or harsh weather
General Window Cleaning
Balanced Window Care for Noticeable Dirt and Mild Stains
Interior Windows & Frames:
- Removal of fingerprints, insect marks, and water streaks
- Visible dust and smudge buildup removal
- Wipe-down of frames, handles, and interior sills
Exterior Windows & Doors:
- Full exterior wash to remove grease residue, pollution, and road dust
- Partial track and edge cleaning (up to 20 cm / 8 in)
- Suitable for low-rise and street-level window access
Screens & Tracks:
- Light washing and vacuuming of screens
- Dust and debris removal from lower tracks
- Helps maintain smooth window operation between major cleaning cycles
or windows not cleaned for several months.
- Windows exposed to weather, traffic, or indoor humidity
- Areas with moderate daily use and visible buildup
- Maintenance between seasonal or deep cleaning cycles
Targets visible buildup in moderately high-use areas.
Deep Window Cleaning
Full Restoration for Heavily Soiled, Stained, or Neglected Windows
Glass, Frames & Sills:
- Full washing of interior and exterior glass
- Scraper and steam cleaning for sticky residue, grease, or heavy organic buildup
- Deep cleaning of frames, tracks, and corners (up to 0.7 ft / 20 cm)
Hard Stains & Buildup:
- Removes calcium, mineral, and rust deposits
- Eliminates paint, tape, glue, and construction residue
- Polishing for maximum clarity and glass transparency
High-Access & Commercial Windows:
- Suitable for post-construction sites and large commercial properties
- High-reach or multi-story glass cleaning where safe access is available
- Uses professional-grade tools and eco-safe cleaning solutions
of window clarity and hygiene after long-term neglect or construction.
- Post-renovation and move-in / move-out projects
- Restaurant, kitchen, or storefront windows with grease buildup
- Large commercial glass façades and high-exposure installations
Addresses heavy buildup, stains, and long-neglected areas.
Window & Glass Cleaning Services
Professional window cleaning services for commercial properties, covering interior and exterior glass, frames, and accessible window types.
View pricing instantly — no calls, no registration.
Window Cleaning for Commercial Properties
Designed for offices, retail spaces, storefronts, and commercial buildings with scheduled access and operational requirements.
Start using the pricing calculator to see your cost.
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500+ Happy Clients
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24/7 Customer Support
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Insured & Bonded
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Eco-Friendly Products
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100% Satisfaction Guarantee
Meet our cleaning experts
Professionally trained. Personally dedicated. 5.0+ rated.
Amaliya
Specialization:
Complex projects and deep cleaning. 
Mark
Specialization:
Systematic approach and attention to detail. 
Sara
Specialization:
Regular maintenance and eco-friendly care. 
Maria
Specialization:
Client-focused and ensuring your comfort. Top-rated Cleaning Professionals in Toronto & GTA
Our Leranzo Cleaning Group experts bring years of experience and hundreds of 5-star rated cleanings across the GTA. Each team memi- ber
is carefully trained, background-checked, and specializes in different
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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.
Basement Window Cleaning
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Dirt and residue removal
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Interior & exterior washing
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Frame and sill detailing
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Clear, polished finish
North York
6 hours
up to 8 windows
from $180
Apartment Window Cleaning
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Interior and exterior window cleaning
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Frame and sill washing
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High-access and hard-to-reach windows
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Glass door cleaning
Toronto, GTA
8 hours
up to 5 windows
from $280
House Window Cleaning
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Exterior glass washing
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Dirt and streak removal
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Frame and sill detailing
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Clear, polished finish
Toronto, GTA
5 hours
up to 10 windows
from $460
Solar Panel Cleaning
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Dirt and residue removal
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Gentle surface washing
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Frame and edge detailing
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Second-level high-access cleaning
Richmond Hill
8 hours
12 large panels
from $690
Office Window Cleaning
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Exterior glass washing
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Dirt and streak removal
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Frame and sill detailing
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Clear, streak-free finish
Vaughan
5 hours
6 large windows
from $585
Window Cleaning
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Interior and exterior window cleaning
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Frame and sill washing
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High-access and hard-to-reach windows
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Glass door cleaning
Toronto, GTA
8 hours
up to 20 windows
from $980
What Our Clients Say
Daniella Foster
GTA The team did an amazing job with our window cleaning. All windows, even the hard-to-reach ones, are spotless and streak-free. Professional and efficient service
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Julia Moren
Greater Toronto Area Outstanding house cleaning service! The team Leronzo cleaned the entire home, including kitchen, bathroom, and living areas, leaving everything spotless and fresh. Professional, efficient, and highly recommended
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Oskar Brecker
Ontario Professional and friendly. Very impressed with the attention to detail. The cleaners were polite, fast, and left our office spotless.
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Leo Vanguard
Ontario Fantastic home cleaning service! The Leronzo team did a thorough job cleaning my house after a minor renovation, paying special attention to the kitchen and a heavily soiled refrigerator. Everything, from floors to appliances, was left spotless and fresh. Highly professional and efficient I’m very satisfied and will definitely use their services agai
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Maria Elerton
GTA Reliable and efficient! I love that I can schedule regular cleanings and always get the same excellent service.
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David Harten
Greater Toronto Area Goog job! The team arrived on time and did a thorough deep clean of our carpets and sofa. All stains were removed, and everything smells fresh and looks brand new. Professional friendly and efficient highly recommend Leronzo Cleaning Group!
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Commercial Window Cleaning in Toronto & GTA
Professional Window Cleaning for Offices, Storefronts & Commercial Properties
Clean windows are a direct reflection of how a business operates. Clear glass improves natural light, enhances visibility, and creates a strong first impression for clients, customers, and employees. Dirty or streaked windows, especially in high-traffic areas, can undermine even the most professional brand image.
Leronzo Cleaning Group provides professional commercial window cleaning services across Toronto and the GTA. We work with offices, retail spaces, storefronts, and large commercial properties, delivering consistent, streak-free results while respecting business operations, safety regulations, and access requirements.
Why Professional Window Cleaning Matters for Commercial Properties
Commercial windows are exposed daily to traffic exhaust, fingerprints, construction dust, mineral deposits, and weather-related buildup. Over time, this not only reduces visibility and dulls storefront displays, but also accelerates glass wear and frame deterioration.
Professional window cleaning helps maintain a polished, professional appearance, improves employee comfort through increased daylight, and protects your glazing investment by preventing long-term damage caused by mineral etching and corrosion.
Our Commercial Window Cleaning Process
Site & Access Assessment
We assess building layout, window types, height, access points, and operational constraints before any work begins.
Safety & Workflow Planning
Each project is planned to minimize disruption to staff, customers, tenants, and daily business operations.
Certified High-Access Methods
For multi-storey and complex buildings, we use the appropriate method based on site requirements — boom lifts, water-fed pole systems, or rope access (industrial alpinism).
Professional Tools & Purified Water Systems
Commercial-grade equipment and purified water ensure streak-free, spot-free results without chemical residue.
Interior & Exterior Glass Cleaning
Glass, frames, sills, and high-touch areas are cleaned thoroughly for a clear, professional finish.
Final Quality Inspection
All windows are inspected to ensure consistent clarity across the entire property.
What’s Included in Commercial Window Cleaning
- Interior and exterior window cleaning
- Storefront glass and display windows
- Office and common-area windows
- Window frames and sills
- Streak-free, residue-free finish
- Safe solutions for elevated and hard-to-reach areas
- Final quality control inspection
Ideal for Commercial Properties
Office Buildings & Corporate Campuses
Consistent window cleaning that supports a professional work environment.
Retail Stores, Shopping Malls & Chains
Centralized service across multiple locations, delivered on a unified standard and schedule.
Medical Facilities & Laboratories
Careful cleaning using methods suitable for controlled and hygiene-sensitive environments.
Restaurants, Cafés & Hospitality
Crystal-clear storefronts, panoramic windows, and patio glass that enhance guest experience.
Property Management & Multi-Unit Buildings
Reliable service across multiple tenants and common areas.
Why Businesses Choose Leronzo
Industry Certifications & Full Insurance
Our technicians are trained for work at height, and our company carries comprehensive liability insurance. Certificates of insurance are available upon request for property managers and facility operators.
Minimal Operational Disruption
Quiet workflows and flexible scheduling, including early morning or after-hours service.
Consistent, Documented Results
Every window cleaned to the same professional standard across all locations.
Transparent, Scalable Pricing
Clear pricing based on scope, access, and frequency — suitable for single sites or portfolios.
Get Your Fast, Transparent Estimate with Our Commercial Window Cleaning Calculator
Calculating the cost of commercial window cleaning in Toronto and the GTA can be complex. Pricing depends on property type, window quantity, glass size, building height, access requirements, service frequency, and overall cleaning complexity.
Our free, easy-to-use Commercial Window Cleaning Calculator provides a clear, itemized estimate in under 60 seconds, based on real commercial service conditions.
How it works
Select your property type, enter window quantity, access details, and preferred service frequency to receive an instant price range.
Transparent pricing
Estimates are calculated using real-world commercial factors — no generic averages.
No hidden fees
What you see reflects our standard commercial rates. Final details are confirmed before service.
Plan with confidence
Professional window cleaning helps extend the lifespan of glass and frames, reducing long-term maintenance and replacement costs caused by mineral damage and corrosion.
Go to Window Cleaning Calculator
What Affects Commercial Window Cleaning Cost
- Property type and building layout
- Number of windows and glass size
- Height and access requirements
- Service frequency and maintenance programs
- Scheduling constraints and operational access
Frequently Asked Questions
Do you offer scheduled commercial window cleaning?
Yes. We provide both one-time and recurring window cleaning programs.
Do you offer discounted rates for ongoing maintenance contracts?
Yes. Businesses that commit to quarterly, bi-annual, or annual service programs receive preferential pricing and priority scheduling.
Can you clean windows outside business hours?
Yes. Early morning, evening, and flexible scheduling is available.
Do you handle multi-storey or high-access buildings?
Yes. We use certified equipment and trained specialists for elevated and complex access work.
Will there be streaks or water spots?
No. Our professional systems are designed for streak-free, spot-free results.
Other Window Cleaning Services
Serving Toronto & the GTA
We provide commercial window cleaning services across Downtown Toronto, North York, Etobicoke, Scarborough, Mississauga, Vaughan, Markham, Richmond Hill, and surrounding GTA communities.
Book Commercial Window Cleaning Today
Schedule a free commercial property assessment.
Our specialist will review access, safety requirements, and scope of work, then provide a detailed commercial proposal tailored to your business.
Call +1 647 258 1161 or book online with Leronzo Cleaning Group.
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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