10 Denver roofs flagged after the 2026-06-01 storm.

3015 East Colfax Avenue

Denver, CO 80206

visibly worn. Large commercial flat roof showing apparent membrane discoloration, dark staining patches, visible seam lines with possible lifting or separation, and at least one area of concentrated damage or ponding near the center-left section.

• · Large dark stained patch near center of roof, possibly ponding water damage or membrane failure
• · Multiple visible seam lines running vertically across the membrane surface
• · Dark streaking and discoloration across the lower half of the roof surface

2401 Glenarm Place

Denver, CO 80205

moderately worn. Large commercial flat-roof structure with a predominantly white membrane surface showing apparent tonal variation, possible ponding areas, and some discoloration consistent with mid-life membrane wear.

• · Darker sections visible in interior roof valleys and low points, possibly consistent with ponding water or membrane discoloration
• · Tonal variation across the white membrane surface — some areas noticeably darker or grayer than others
• · Multiple HVAC or mechanical units visible on the roof surface adding numerous penetration points

250 Pearl Street

Denver, CO 80203

moderately worn. Large commercial flat roof with a tan/buff membrane showing scattered darker spots and tonal variation consistent with moderate aging and possible minor ponding or surface degradation.

• · Numerous small dark circular spots scattered across the membrane surface, possibly consistent with punctures, surface blisters, or drain areas
• · Tonal variation across the membrane surface — lighter tan in some areas, darker patches in others — possibly indicating moisture-related discoloration or uneven aging
• · Rooftop HVAC and mechanical equipment visible on the upper section, each representing flashing and penetration maintenance points

2455 Franklin Street

Denver, CO 80205

moderately worn. Multiple residential structures visible with mid-to-mature age asphalt roofs showing apparent tonal variation, light discoloration, and general weathering consistent with 15-20 year old shingles.

• · Uneven tonal variation across multiple roof planes suggesting possible granule loss or differential weathering
• · Darker patches visible on north-facing slopes of center structures, consistent with algae or moisture retention
• · Ridge lines appear intact but show some color differentiation from field shingles

East 20th Avenue

Denver, CO 80264

moderately maintained. Multiple flat commercial/institutional roofs visible in good-to-fair condition with generally uniform light-colored membrane surfaces and scattered penetrations, showing minor tonal variation but no overt catastrophic damage.

• · Tonal variation on portions of the large northern flat roof, possibly indicating minor membrane discoloration or aging
• · Multiple HVAC units and roof penetrations visible across all structures
• · Apparent seam lines consistent with TPO/EPDM panel layout visible on central building sections

1505 East 13th Avenue

Denver, CO 80218

moderately aged. Large flat-roof commercial or mixed-use structure with white membrane roof surface showing some tonal variation and possible minor soiling, but no obvious catastrophic damage visible from this altitude.

• · White membrane surface shows uneven tonal patches, possibly dirt accumulation or minor ponding residue
• · Blue rectangular object or equipment visible on lower roof section — possibly HVAC unit or stored material
• · Tree canopy partially overhangs roof edges on multiple sides, increasing debris and moisture risk

1077 Race Street

Denver, CO 80206

moderately maintained. Large commercial/institutional flat roof with predominantly white membrane surface showing some tonal variation and discoloration in sections, with a darker patched or different-age membrane section visible near the center, overall appearing functional but with areas warranting i

• · Darker gray rectangular section near center of roof — possible older or different membrane section, consistent with a prior repair or addition
• · Uneven tonal variation across the white membrane surface, possibly dirt accumulation or mild weathering
• · Multiple rooftop mechanical units and penetrations visible across the roof field

2300 Court Place

Denver, CO 80205

well-maintained. Large multi-section commercial flat roof complex appearing generally intact with uniform dark membrane surface, multiple rooftop HVAC units, and no obvious signs of major distress or membrane failure.

• · Multiple large rooftop HVAC/condenser unit banks visible across all roof sections — typical commercial load
• · Roof membrane appears uniformly dark with consistent coloration across primary sections
• · White perimeter coping or parapet edging visible along roof boundaries

551 East Colfax Avenue

Denver, CO 80203

well-maintained commercial. Large commercial flat-roof building with a predominantly white membrane surface in apparent good condition, covered extensively with solar panels and numerous HVAC/mechanical units with no obvious signs of membrane failure or major deterioration.

• · Large-scale solar panel arrays covering the majority of the roof surface across multiple sections
• · Numerous rooftop HVAC and mechanical units distributed across the roof
• · One lower interior roof section with a tan/beige membrane that appears older or a different material than the white outer sections

500 East 19th Avenue

Denver, CO 80203

well-maintained. Large commercial or institutional building with a light gray coated roof membrane and multiple hip-roof sections that appear to be in generally good condition with no obvious major distress visible from satellite.

• · Uniform light gray color across the majority of the roof surface, consistent with an intact reflective coating or membrane
• · Multiple large HVAC/mechanical units visible on the flat roof sections, appearing to be in organized rows
• · Several smaller penetrations and rooftop vents distributed across the flat portions