Sump Pump Repair & Installation in Thornton, CO
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Cost Range
$460–$1,725
Local Pros
62 available
Overview
Install, repair, or replace sump pumps that protect your basement from flooding. Includes primary pumps, battery backup systems, and discharge line installation.
Thornton Climate Considerations (mixed dry)
- • Frozen pipes from extreme cold
- • Hard water mineral buildup
- • Outdoor spigot freezing
Common Signs You Need Sump Pump Repair & Installation
- • Pump running constantly
- • Pump not turning on
- • Strange noises from pump
- • Water in basement despite pump
- • Pump cycling on and off rapidly
Sump Pump Repair & Installation Cost in Thornton
Low
$460
Average
$1,093
High
$1,725
DIY vs. Call a Pro
Replacing a sump pump in an existing pit is manageable. Disconnect the old pump, connect the new one to the discharge pipe, and test the float switch. Test monthly by pouring water into the pit.
Call a professional when:
Call a pro for new pit excavation, discharge line routing, battery backup installation, or if you're unsure about sizing the pump for your water table.
Plumbers in Thornton
C & J Plumbing and Heating
Lakewood, CO
(720) 612-8668Plumingo Plumbing & Heating
Lakewood, CO
(720) 724-3265
Sewer Lines Only
Lakewood, CO
(303) 562-9800Founding Member
Premium spot in Thornton
Ambassador
Lead the Thornton community
Founding Member
Premium spot in Thornton
Thornton Housing Market
Median Home Price
$499,900
Homes for Sale
152
Price per Sq Ft
$236
Local Pros
600
Home Service Professionals Near Thornton
Median Household Income
$100,985
Median Home Value
$482,200
Median Rent
$1,810/mo
Homeownership Rate
73.1%
Population
142,878
Median Year Built
1996
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track This in PropDoctor
Sump Pump Repair & Installation
Date
April 2026
Cost
$1,093
Vendor
Your local pro
Warranty
5-year material warranty
Thornton average: $460–$1,725
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
Warranty Details
5-year material warranty
Auto-Checkup Created
"Sump Pump Test" — every 3 months
Property Health Score
Good
plumbing category +12 pts(70 → 82)
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
Maintenance Plan for Thornton
Recommended Maintenance Plan — Thornton, Colorado
Key Risks
- • Frozen pipes from extreme cold
- • Hard water mineral buildup
- • Outdoor spigot freezing
- • Severe hailstorms
- • Heavy snow loads
Schedule
Visual inspection (DIY)(DIY)
Professional sump pump repair & installation
Estimated: $400–$1500
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J&R Home Services
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Related Services in Thornton
Basement Waterproofing
Prevent water intrusion in your basement using interior drainage systems, exterior waterproofing membranes, sump pump installation, and grading corrections. Protects your home from water damage and mold.
French Drain & Drainage Solutions
Install drainage systems to redirect water away from your home's foundation, eliminate yard flooding, and prevent basement water intrusion. Solutions include French drains, channel drains, dry wells, and grading corrections.
Water Damage Restoration
Emergency response and restoration after water damage from flooding, burst pipes, sewage backup, storm damage, or appliance failures. Includes water extraction, structural drying, dehumidification, mold prevention, and reconstruction of damaged areas.
Colorado Regulations
Building Code: IRC 2018
Seller Disclosure: Sellers must complete a Seller's Property Disclosure form. Colorado also requires specific lead-based paint, meth lab, and radon disclosures.
Natural Disaster Risks: Hailstorms, Wildfires, Blizzards, Flooding