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Top-Rated Sump pump or interior foundation drains installers in Lakewood - Updated Nov 2026

Drain Unlimited, LLC
4.6(
31
)
Sump Pump or Interior Foundation Drains - Install

Serving Lakewood, CO and surrounding areas

Approved

In business since 2001

Emergency services offered

Warranties offered

Welcome to Drain Unlimited, LLC. From toilets to faucets and waterheaters to all phase of draining system, you can expect Drain Unlimited, LLC, to provide fast economical quality service for your business or home. Drain Unlimited, LLC, is simply the best Denver plumbing company. When homeowners and businesses in Denver area need plumbing work, they can rely on Drain Unlimited, LLC, to provide the highest quality and quickest service in the area.

Response time7 hrs
Recommended by93%of homeowners
Avatar for Rocky Mountain Plumbing & Drains LLC
Rocky Mountain Plumbing & Drains LLC
4.9(
26
)
Sump Pump or Interior Foundation Drains - Install

Serving Lakewood, CO and surrounding areas

Approved

In business since 2016

Free estimates

Emergency services offered

"I knew I needed my sewer to be done. I had 3 estimates and this company was fantastic! The quote was fair. Rocky Mountain is professional and trust worthy. Thought it was going to be a few day project. They got it done in one day and back in service! If you?re having drain or plumbing issues. Please call Rocky Mountain plumbing!"
Interior Sewer replaced
Interior Sewer replaced
Interior Sewer replaced
Interior Sewer replaced
Interior Sewer replaced

+1

1 neighbors recently requested a quote
Avatar for Rooter Guy, LLC
Rooter Guy, LLC
4.6(
3,131
)
Sump Pump or Interior Foundation Drains - Install

Serving Lakewood, CO and surrounding areas

Approved

Super Service Award Winner

In business since 1995

Free estimates

Emergency services offered

"correctly diagnosed the problem and proved it by tracking the camera through the drain and completely clearing it with his water roto rooter. Showed pictures of the result and proved that an expensive dig out and installation of a clean out unit was not needed."
sewer cleaning
1313 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Bordner Home Improvement Company
Bordner Home Improvement Company
4.6(
72
)
Sump Pump or Interior Foundation Drains - Install

Serving Lakewood, CO and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"Mike was our installer for 2 different bathrooms. We had a tub shower redone as weill as another shower done. Mike took everything down to the bare stud so we could inspect for any damage. The house 53 yrs old so it was time to inspect these area. Mike would always keep us posted on the status of the remodel. Whenever I had a question about about how he was doing something he was willing to explain things to me. When we asked for his thought of things he was always willing to give us advice. Mike is an awesome to work with and be around."
Shower to shower
Bath to bath
second story window
Living room view
New Entry door

+11

Response time20 mins
Response rate100%
Recommended by95%of homeowners
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FAQs for sump pump or interior foundation drains installation projects in Lakewood, CO

Most residential pumps draw approximately 1,300 to 2,900 watts when they first start, then settle at roughly 800 to 1,050 watts during normal operation. The exact number depends on the motor’s horsepower and how often the float switch tells the pump to run. Even at the high end, the electricity cost is minor compared with the expense of cleaning up a flooded basement.

Grab a ruler and an empty 18‑inch‑wide pit. During a steady rain, time how much the water rises in one minute. Multiply that depth (in inches) by 60 to calculate gallons per hour, then add 50% for safety. If the result tops 2,100 gallons per hour—about 35 gallons a minute—you’ll need a 3/4‑horsepower unit. Anything lower, and a 1/3- or 1/2-horsepower pump should do the trick.

Loud rattling, constant cycling, or shuddering vibrations are the pump’s way of telling you it’s on its last legs. Musty smells, higher electric bills, and visible rust are other red flags. If the unit is 10 years old or older and exhibits any of these symptoms, replace it before the next heavy rain turns your basement into a wading pool.

You don’t have to hire a licensed plumber, but you should still bring in someone who installs sump pumps for a living—whether that’s a plumber, basement‑waterproofing specialist, or experienced handyman. They know the local codes, can wire the pump safely, and will test the system before they leave. Skipping professional help might void the warranty and could leave you with a pump that fails when you need it most.

Not every basement needs a pump, but if your home sits in a floodplain, has a high water table, or has ever taken on water during a storm, a sump pump is inexpensive insurance. For basements that only struggle with condensation or the occasional damp spot, sealing cracks and improving drainage may be all that is needed.

The Lakewood, CO homeowners’ guide to sump pump or interior foundation drains installations

From average costs to expert advice, get all the answers you need to get your job done.