Plumber in Longmont, CO

The 2013 St. Vrain flood reshaped how Longmont thinks about basements, and homes in the low-lying areas near the river and Left Hand Creek still rely heavily on sump pumps and backflow protection during spring melt and heavy storms. A pump that fails during runoff can flood a finished basement in hours, so we treat sump and backwater work here as core, not optional.

Beyond the flood zones, mid-century homes around Old Town carry hard-water damage that quietly kills water heaters years early, coating tanks and elements with scale. Freeze bursts are the other recurring theme: uninsulated crawlspace runs and exterior spigots split when temperatures drop hard overnight. We repipe, replace and protect these lines so the same failure does not repeat every winter.

Hard water shows up in Longmont long before a water heater quits. Homeowners near Prospect and Southmoor Park call about a whistling toilet fill valve, a kitchen faucet that has slowed to a dribble, or a shower that runs lukewarm because scale has armored the heating elements. We descale or replace the fouled part and flush the tank, but we also point out when a mid-life heater is scaling faster than it is worth repairing.

The other steady Longmont complaint is water where it should not be. In the low blocks near the St. Vrain Greenway and Left Hand Creek, a sump that has not been tested since last spring is the weak link, and a stuck float floods a finished basement overnight. Seized main shutoffs are the quiet companion problem: when a supply line lets go, the old gate valve behind it will not turn, so we replace it with a quarter-turn ball valve.

Longmont’s plumbing calendar has two hard edges. January cold snaps split the exterior spigots and uninsulated crawlspace runs on Old Town homes, while March and April snowmelt off the foothills lifts groundwater into low basements. Both catch owners who were focused on the other season. Because Longmont is a scheduled trip up from our Littleton base, the smart move is a fall check of freeze-prone lines and a spring test of the sump before either problem arrives.

A practical tip for Union Reservoir-area homes on this hard water: flush your water heater once a year and lift the sump lid to pour a bucket of water in, confirming the pump kicks on. Ten minutes of both heads off the two failures we see most. If your heater is already rumbling or popping, that is sediment boiling under the scale, and it is a sign to schedule service before the tank fails cold.

Longmont residents choose us because we treat the town’s real risks as core work, not add-ons. In the flood-prone flats near the St. Vrain, sump and backwater protection matter, and after a hard freeze split lines need fast, lasting repair. Fifteen-plus years on the northern Front Range means we have seen both, and we price them up front.

From Old Town to the subdivisions near Union Reservoir, hard water and cold winters drive most failures here. We fix the cause, not just the symptom, insulating freeze-prone runs and sizing heaters for scaling water. Licensed, insured and backed by 480-plus satisfied customers, we show up when scheduled and answer 24/7 when a basement is filling.