Glass Company on Mercer Island, WA

When you need a glass company on Mercer Island, Herzog Glass sends crews from our Seattle facility across I-90 for repair calls, project glazing, and residential installation, from a failed office entrance on 78th Avenue SE to a steam shower in a lakefront remodel. Every island job is held to the standard of workmanship our glaziers bring to projects across the Greater Puget Sound: accurate field measurements, careful handling, and a clean, finished installation.

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Service division

Service & Repair on Mercer Island

Commercial glass repair on Mercer Island centers on professional offices, medical and dental suites, Town Center retail, and the ground floors of mixed-use apartment buildings. Property managers, engineers, and tenants call us for planned hardware work and for breaks that need immediate attention. As a commercial glazier serving the island, we handle both through our glass repair and service department. No glazing contractor in the Puget Sound region has a larger dedicated service team.

Cracked storefront glass on a commercial building at night

24-Hour Emergency Glass Repair on Mercer Island

Emergency glass repair on Mercer Island takes two visits. On the first, our crew removes the broken glass, secures the opening with plywood or a temporary panel, and takes measurements for the permanent glass. On the second, we install the finished glass. We respond to break-ins, vandalism, storm damage, and vehicle impacts. If glass breaks at any hour, call our 24-hour emergency service, and we will give you an arrival estimate that accounts for the bridge.

24-Hour Emergency Glass Service

Black-framed glass entrance doors into an office lounge

Commercial Glass & Door Repair on Mercer Island

Most requests for commercial glass door repair on Mercer Island come from professional offices, medical suites, and Town Center shops, where a single entrance serves every patient, client, and customer. When a door drags, will not latch, or slams because of a worn closer, the business is affected. We service pivots, locks, panic hardware, and alignment. For automatic doors, we repair sliding and swing operators, sensors, and activation and safety settings. When a Town Center storefront lite breaks, we replace it with tempered or laminated safety glass, depending on the opening.

Commercial Glass Door Repair

Window and curtain wall work at the Stryker building, with glazed elevations looking onto the trees outside.

Glass Replacement on Mercer Island

Mercer Island is largely built out, so glass replacement here usually means installing new glass in an existing opening. For homes, that may be a fogged insulated unit in a mid-century slider or a picture window that has clouded the lake view. For businesses, it is commercial window replacement in office buildings whose frames still have years of service left. Insulated glass replacement on Mercer Island addresses failed seals, cracked lites, and distortion without removing sound framing.

Glass Replacement

Commercial division

Commercial Glazing on Mercer Island

Architects, general contractors, building owners, and developers bring island project glazing to our commercial division. As a commercial glazing contractor on Mercer Island, we also complete tenant improvements and renovations, such as a new office suite entrance or an updated retail storefront near the Town Center.

Commercial Glazing

Curtain wall going in at the King County Children and Family Center.

New Construction on Mercer Island

Commercial projects on Mercer Island are limited, and each one requires careful coordination: tight sites, nearby neighbors, and deliveries that all cross the bridge. New construction glazing on Mercer Island depends on a thorough submittal process. We settle scope in preconstruction, get shop drawings and submittals approved before ordering, and close out the punch list before leaving the site. Each day, the general contractor gets a written log from our project manager, so small issues are caught early.

New Construction Glazing

LuxWall Glass on Mercer Island

LuxWall vacuum insulated glass on Mercer Island is a good fit for custom homes and multifamily residences. Herzog was the first company in Washington State to become an authorized LuxWall representative. Because so much island glass work is retrofit, that gives homeowners a local source for upgrading the glass in homes that are already built. For lakefront homes, the main benefit is comfort near large windows. The product carries a 20-year limited warranty, and you can find performance details on our product page.

LuxWall Vacuum Insulated Glass

Residential division

Residential Glass on Mercer Island

Homeowners, builders, architects, and designers come to us as a residential glass company on Mercer Island. From a new shower in a remodeled bathroom to glass railings on a lakefront deck, our residential team measures, fabricates, and installs each piece for the home it goes into.

Residential Glass Services

A frameless glass shower enclosure in a tiled bathroom.

Shower Enclosures on Mercer Island

Shower enclosures on Mercer Island often call for the styles that require the most planning. Steam enclosures need glass that runs to the ceiling and seals tightly, and neo-angle units must fit an angled corner precisely. We also install frameless and framed doors, door-and-panel and single-door layouts, and tub and corner sliders. For every style, we check the walls for plumb, select the right glass thickness and hardware, and measure the opening ourselves.

Shower Enclosures

Custom antique mirror glass set into painted casework

Custom Glass Fabrication on Mercer Island

In waterfront and view homes on Mercer Island, glass is often a defining feature of the room. Custom glass fabrication on Mercer Island includes interior and exterior glass railing that preserves the view, mirror walls and fabricated mirrors, table tops and glass shelves, cabinet glass, and decorative pieces. For a kitchen backsplash or feature wall, OPACI-COAT back-painted glass adds color behind a clean glass surface. Each piece is fabricated to measurements taken on site.

Custom Glass Fabrication

Across Mercer Island

Working on Mercer Island

Mercer Island sits in the middle of Lake Washington, and that location shapes almost every glass job here. It is primarily a residential community with a small commercial core, and nearly every building is already standing. Four factors affect most of our island projects, from a single storefront door to a full waterfront remodel.

The I-90 Bridges

I-90 is the only route on and off Mercer Island, so every crew, truck, and piece of glass crosses a bridge. Oversized glass requires the right racks, crating, and delivery timing before installation can begin. If traffic, weather, or a closure delays the crossing, we tell the client early so the installation window does not slip. Emergency calls use the same route, so our arrival estimates account for the bridge.

A Retrofit Market

Mercer Island's mix of mid-century homes and newer builds creates steady retrofit work. Sliders and window walls from the 1960s and 1970s often still have single glazing or early insulated units, and their openings rarely match today's standard sizes. We fabricate replacement glass to field measurements, which is especially important when older openings have shifted over time. Replacing the glass in a sound frame keeps the home's original look while fixing fogging, drafts, or cracks. Older single-glazed sliders are also common candidates for an insulated glass upgrade.

Waterfront and View Homes

Along the east and west shores, and on hillsides overlooking Seattle or Bellevue, glass is often central to the home's design. Haze in an insulated unit, scratched railing glass, and other flaws are easy to notice when the view is the focus. These projects require careful handling, protection of finished surfaces, and fabrication that matches the existing installation. Deck railings facing the lake are exposed to weather, so we select glass and hardware with that exposure in mind. Large view windows also take careful measuring, since their openings are often bigger than standard stock sizes.

Town Center and 78th Avenue SE

Mercer Island's commercial core is centered on the Town Center, with offices, medical practices, restaurants, and shops along 78th Avenue SE. Many businesses depend on a single storefront and entrance, so broken glass or failed door hardware can disrupt the entire operation. Limited parking and nearby residents can make after-hours service the most practical option. A door that will not lock at closing time needs immediate attention, even when no glass has broken. Many of these businesses also open early, so we plan entrance repairs around their hours.

Who we are

Why Herzog

North American Contractor Certification (NACC) came to Herzog before any other glazing contractor in Washington State. Our union-trained journeyman glaziers install glass that has been cut, edged, and finished in our Seattle facility. Insulated units come from qualified vendors. The company is led by a team with over 60 years of combined leadership experience.

See who we are, or browse residential projects in our gallery.

Questions

Frequently Asked Questions About Glass Services on Mercer Island

How quickly can a crew get to Mercer Island after a break-in or storm?

We respond to glass emergencies 24 hours a day throughout the Greater Puget Sound. Every crew reaches Mercer Island by the I-90 bridges, and arrival time also depends on the job's location, crew availability, weather, traffic, and the type of damage. When you call, we will tell you realistically how long it will take.

Should a Town Center office or shop door be fixed or replaced?

Usually it can be repaired. Town Center doors typically fail at the closer, pivots, lock, or panic device long before the glass does. We diagnose the problem first, repair what we can, and recommend a new door only when the frame or glass cannot be saved.

My shower glass has spots that will not clean off. Can that be fixed?

Sometimes. If the spots are mineral buildup sitting on the surface, the right cleaner can often remove them. If the minerals have etched into the glass itself, the damage is permanent, and replacing the panel is the real fix.

Start a Mercer Island Project

Tell us about your door, remodel, or project through our contact form, and we will route it to the right team: service and repair, commercial glazing, or residential. Nearby, we also serve Bellevue. For other cities we cover across the region, see our service areas page.

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