Sonlight Window Cleaning delivers professional window cleaning to homes and businesses throughout Longmont, Colorado. Since 1978, we’ve been Northern Colorado’s trusted window cleaning team with 350+ five-star reviews and a satisfaction guarantee on every job.
Longmont has grown into one of Northern Colorado’s most vibrant communities, with a thriving downtown, diverse housing stock, and stunning mountain views. From historic Main Street homes to new construction in Prospect and the Vistas, clean windows are essential for enjoying Longmont’s incredible Front Range panoramas.
We serve all of Longmont including downtown, Prospect, the Vistas, Quail Ridge, Fox Hill, Somerset, and the surrounding communities of Erie, Firestone, Frederick, Niwot, and Hygiene. Our crew is experienced with every type of home from historic bungalows to modern energy-efficient builds.
Our Longmont services include full interior and exterior window cleaning, screen removal and cleaning, gutter cleaning, pressure washing, and solar panel cleaning. We’re fully insured with general liability and workers’ compensation coverage.
Longmont sits between Boulder and Fort Collins at the northern edge of the Denver metro, where plains meet mountains. This transition zone brings wind-driven dust from the east and mountain debris from the west. Longmont’s agricultural heritage means nearby farming can add seasonal dust. The city’s growing tech sector has attracted residents who value well-maintained homes and outdoor views.
Complete window cleaning inside and out, including sills and frames.
Screen removal, washing, and reinstallation included with full-service cleans.
Professional gutter and downspout cleaning to prevent water damage.
Exterior surfaces, driveways, patios, and siding cleaned and restored.
Safe cleaning to restore panel efficiency. Dust reduces output up to 25%.
Offices, storefronts, HOAs, and multi-unit buildings. Recurring contracts available.
Most Longmont residential jobs range from $200 to $550 depending on home size and window count. You can get an exact instant price on our website without waiting for a phone call.
Yes. We serve all of the Longmont area including Erie, Firestone, Frederick, Niwot, Hygiene, and Mead. No travel surcharges within our service area.
Late spring (after May pollen season) and early fall (September) are ideal for Longmont. These times avoid the worst of the wind, pollen, and dust while giving you clean windows for the seasons you’ll enjoy them most.
Yes. We serve commercial properties along Main Street, Ken Pratt Boulevard, and throughout Longmont including offices, restaurants, retail storefronts, and medical buildings. Recurring contracts with locked-in pricing available.
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