A Larkspur sump pump that quits usually has a float that will not rise, a check valve that leaks back, a power problem or a motor that has worn out. A plumber can test each part and make sure the discharge drains to the yard instead of the Town sewer. Call the number on this page to be connected with a local plumber in Larkspur.

What to expect when you call
You will reach an independent plumber who serves Larkspur and southern Douglas County. They will ask whether water is rising now, where the pit is, how old the pump is and whether you are on Town water or a private supply outside town limits. On site, the plumber checks the power, lifts the float, runs a full cycle and listens for return flow through the check valve. Then they trace the discharge to its outlet. You can then choose between a part, a new pump and a backup.
What sets the price
- A single part versus a new pump
- Pump capacity for valley runoff
- Basin condition and access
- A longer or freeze-protected discharge
- Battery backup or alarm
- Travel to an address outside town
Larkspur conditions
Larkspur is a small town in the East Plum Creek valley of southern Douglas County along I-25, about 11 miles south of Castle Rock and home of the summer Colorado Renaissance Festival. The Town's Public Works Department runs water and wastewater inside town limits, overseen by a Water and Sewer Board, with the water system operated under contract by Semocor. Drinking water comes from Denver Basin aquifer wells. The Town sewer is meant for household wastewater, so a sump line into a floor drain or laundry sink should be moved outdoors.
Inside town, water emergencies go to Town Hall during business hours and to Semocor after hours. Areas of the 80118 ZIP outside town limits were not covered; homes there on private wells should use a battery backup, since a water-powered unit loses pressure when the power fails, and homes not on municipal sewer should keep the discharge away from the onsite system. No town backflow program was found, so ask the plumber before adding a water-powered backup on Town water.
Inside town limits, building permits go through the Town of Larkspur Building Department, not Douglas County, with SAFEbuilt doing inspections.
Checklist before the plumber arrives
- Switch off the pump circuit if water is near the outlet
- Clear storage away from the pit
- Know whether you are on Town water or a well
- Find where the discharge exits and drains
- Clear snow from the outdoor outlet
Sump Pumps questions in Larkspur
Who do I call if water is coming up through a floor drain instead?
Do I need a permit to replace a sump pump?
Will a water-powered backup run if my house is on a private well?
Why does my sump pump keep running when it hasn't rained?
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