In a Larkspur plumbing emergency, close the main valve, and if you smell gas, leave and call 911 and Black Hills Energy at the number on your gas bill. Then call the number on this page to be connected with a local plumber in Larkspur.

How the call works
The number on this page connects you with an independent plumber who serves Larkspur. Be ready to say what failed, whether the water is off and where the home is, including whether it is inside town limits. Ask about after-hours pricing before the plumber heads out. Arrival depends on the hour, the drive and the plumber's workload, so no specific time is promised.
Cost factors
- Timing. Night, weekend and holiday visits usually cost more.
- Distance. Larkspur is about 11 miles south of Castle Rock and 35 miles from downtown Denver, so travel can factor in.
- Access. A leak in an open basement is quicker than one behind finished walls.
- Permits. Inside town limits, the Town of Larkspur Building Department, not Douglas County, handles building permits, with SAFEbuilt doing inspections.
Local conditions in Larkspur
Larkspur is a small town in the East Plum Creek valley of southern Douglas County along I-25, best known as home of the summer Colorado Renaissance Festival. Inside town limits, the Town's Public Works Department runs the water and wastewater systems under a Water and Sewer Board, and the water system is operated under contract by Semocor. Drinking water comes from Denver Basin aquifer wells in the Denver and Arapahoe aquifers rather than surface water. For a water emergency inside town limits, call Town Hall at (303) 681-2324 on weekdays from 9 a.m. to 5 p.m.; outside those hours, call Semocor at (303) 681-2253.
Areas of the 80118 ZIP outside town limits were not covered by our sources, so check your bill if you are outside the town proper. We also did not find where the town's part of a service line ends, so ask before assuming a leak near the street is yours. Natural gas comes from Black Hills Energy; keep the emergency number from your gas bill handy. Valley nights get cold, and pipes in garages, crawl spaces and exterior walls are the first to freeze.
Before the plumber arrives
- Close the main valve and open a low faucet.
- Turn off the water heater's gas or power if it is leaking.
- Stop using drains during a backup.
- Photograph the damage.
- Make the water heater, main valve and cleanout easy to reach.
Emergency Plumber questions in Larkspur
Who do I call when a water main breaks in the street?
I smell gas near the furnace or water heater. What should I do?
Does an emergency repair still need a permit here?
The water heater is leaking from the bottom. How urgent is that?
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