Types of Window Installations Landmark Offers
Our commercial window installation process
1. Site assessment & consultation
We start with a free on-site evaluation of your building to assess existing window conditions, structural requirements and your goals for energy efficiency, security or aesthetics.
2. Measurements & permitting
Our team takes precise measurements and handles any required permits, ensuring your installation meets Los Angeles building codes and Title 24 energy standards.
3. Removal & installation
Our licensed crew removes existing windows and installs your new commercial windows with attention to weatherproofing, sealing and structural integrity.
4. Final inspection & walkthrough
Every installation is inspected before we consider the job complete, and we walk you through the finished work to confirm it meets your expectations.
5. Warranty & support
All of our commercial window installations are backed by our 100% satisfaction guarantee, with ongoing support if issues arise.
100% SATISFACTION GUARANTEE
At Landmark Construction, we pride ourselves on being a top Los Angeles glass company. That’s why ALL of our projects are backed by a promise of satisfaction guaranteed. We are committed to doing whatever it takes to ensure you are thrilled with our work. That’s the Landmark guarantee!
What our clients say
Commercial Window Installation for Every Property Type
Office building Windows
Educational Institutions
Healthcare Facilities Windows
Commercial & Industrial Window Retrofits
Executing a major building envelope upgrade requires technical accuracy and reliable field leadership. As premier commercial window installers in Los Angeles, Landmark Construction replaces outdated, inefficient window units with high-performance commercial glass windows built to handle Southern California’s climate and urban noise.
Our installation process centers on advanced commercial window glazing techniques that meet strict California Title 24 energy mandates. From boutique hotels to sprawling logistics hubs, our technicians install energy-efficient industrial building windows and curtain wall systems tailored to your property’s structural design.
Partnering with professional commercial window installers protects your capital investment from costly delays and installation errors. Upgrading to high-efficiency commercial glass windows, modern commercial window glazing, and reinforced industrial building windows improves tenant comfort, lowers monthly HVAC expenses, and elevates your property’s market value. Reach out to our engineering team to schedule a site evaluation.
Over a DECADE of commercial window installations
Partner With LA’s Trusted Commercial Glass Contractor
We partner with commercial contractors across Los Angeles to deliver precise, code-compliant window and glazing work on time and on budget. Whether you need a standalone installer or a long-term subcontracting partner, our licensed team is ready. Get in touch with our local team today for a FREE, no-obligation design consultation and estimate.
FAQs
We install storefront framing, structural curtain walls, architectural window systems, ribbon windows, and specialized glass including low-E energy-efficient, shatter-resistant, and bullet-resistant glass.
Landmark Construction proudly serves the entire Los Angeles area, including Beverly Hills, Santa Monica, Hollywood, DTLA, Glendale, the San Fernando Valley, and Orange County.
Yes. We offer fast assessments and emergency repairs for businesses that have experienced break-ins, accidents, or weather damage. We also work with major insurers to help streamline the repair process.
Yes. We offer flexible evening and weekend scheduling to ensure zero operational downtime or disruption for your tenants, staff, and customers.
We offer a variety of durable frame materials to suit your aesthetic and functional needs, including aluminum, fiberglass, vinyl, and traditional wood.
Absolutely. We supply and install high-performance thermal break frames and dual-pane Low-E glass engineered to comply fully with local building codes and Title 24 energy standards.
Our experts can perform a detailed inspection to look for signs of excessive pressure, seal failure, or hidden cracks. Generally, if you notice rising energy bills, visible drafts, or recurring leaks, it may be time to upgrade to modern, energy-efficient commercial glass.
You can schedule a free consultation by calling us at (818) 319-4970 or by filling out the contact form on our website to discuss the size and scope of your project.