Logo of Search a Plumber
Hero background

Find the Best Sump Pump Installation & Repair Companies for Your Business

No obligation • Fast responses • Nationwide coverage

Search providers near you

Best Sump Pump Installation & Repair Companies in Hawaii Ranked

For homeowners in Hawaii, a reliable sump pump system is a critical line of defense against water intrusion and flooding. The islands' unique environment, characterized by high water tables, intense tropical rainfall, and the ever-present risk of power outages during storms, makes these systems essential for protecting basements, crawl spaces, and home foundations from costly water damage. This guide provides a detailed overview of sump pump types, installation considerations, and maintenance for the Hawaiian climate, helping you understand your options and connect with qualified local professionals who can assess your specific needs.

Waialae Plumbing & Construction

Waialae Plumbing & Construction

825 Halekauwila St # D, Honolulu, HI 96813

Waialae Plumbing & Construction has been serving Honolulu, HI, and the entire island of Oahu since 1994. They provide a wide range of plumbing services including sewer camera inspections, water heater repair and installation, sump pump repair, drain cleaning, sewer line repair, leak detection, repiping, and toilet repair. In addition to plumbing, they are a licensed general contractor offering renovation and new construction services, allowing them to coordinate plumbing work efficiently with construction projects. Their team is experienced in handling both residential and commercial jobs, and they utilize advanced diagnostic tools for leak detection and other plumbing needs. Waialae Plumbing & Construction operates during regular business hours and does not offer after-hours or emergency services.

4.9
263 Reviews
Pro Pacific Plumbing

Pro Pacific Plumbing

95-390 Kuahelani Ave #5011, Mililani, HI 96789

Pro Pacific Plumbing is a full-service plumbing company serving Honolulu, HI, and the broader Oahu area. They provide a wide range of residential and commercial plumbing services including water heater installation and repair, tankless water heater services, drain cleaning, sewer line repair, trenchless sewer replacement, sump pump repair, leak detection, repiping, gas line installation, and garbage disposal repair. The company is equipped to handle emergency plumbing needs and offers 24/7 availability. Pro Pacific Plumbing also specializes in septic system maintenance and replacement, ensuring compliance with environmental regulations. Their team is committed to thorough diagnostics and clear communication before starting any work. Serving the Honolulu area, Pro Pacific Plumbing has established a reputation for comprehensive plumbing solutions including advanced capabilities like trenchless sewer repair and solar water heater installation. They emphasize careful workmanship and minimal disruption during service. The company is available around the clock to address urgent plumbing issues, making them a resource for emergency repairs as well.

4.0
9 Reviews
Ali'i Plumbing LLC

Ali'i Plumbing LLC

honolulu

Ali'i Plumbing LLC provides a wide range of plumbing services in Honolulu, HI, including sewer camera inspections, water heater repair and installation, drain cleaning, hydro jetting, and trenchless sewer repair. They also handle leak detection, repiping, gas line installation, and sump pump repair. Established in 2017, Ali'i Plumbing LLC offers 24/7 availability for emergency plumbing needs, ensuring prompt service any time of day or night. Their plumbers come equipped to complete most repairs on the first visit, minimizing disruption for customers.

3.3
6 Reviews
See more providers in Hawaii

Why Sump Pumps Are Essential in Hawaii

Hawaii's geography and climate present distinct challenges that elevate a sump pump from a convenience to a necessity. Coastal properties and homes in low-lying areas are particularly vulnerable to a high water table, where the ground is permanently saturated with water close to the surface 1 2. During periods of heavy rain, common with tropical storms, this groundwater can rise rapidly, exerting hydrostatic pressure on foundation walls and seeking entry into your home. Without a system to collect and eject this water, flooding is almost inevitable.

Furthermore, power outages frequently accompany the severe weather that causes the most significant flooding risk. A standard electric sump pump is useless during a blackout, which is why experts consistently emphasize the non-negotiable need for a backup system in Hawaii 1 3 4. Investing in a robust primary and backup sump pump setup is a proactive measure to safeguard your property's structural integrity and prevent mold growth and interior damage.

Types of Sump Pumps for Island Homes

Understanding the different pump types is key to selecting the right system for your Hawaiian home. Each has advantages suited to specific situations.

  • Submersible Pumps: The most common and quiet option, a submersible pump sits directly inside the sump pit, submerged in water. This design is efficient for handling higher water volumes and is often preferred for living areas near the basement due to its lower noise profile 1 5 6.
  • Pedestal Pumps: In this design, the motor is mounted on a pedestal above the sump pit, with only the intake pipe extending into the water. Pedestal pumps are generally less expensive, easier to service, and a good fit for smaller, narrow pits where a submersible unit won't fit. The trade-off is that they tend to be noisier during operation 3 7.
  • Battery Backup Pumps: This is a critical component for any Hawaii installation. A battery backup pump operates independently of your home's electrical grid, kicking in during a power failure or if the primary pump fails. It ensures continuous protection during storms when you need it most 1 5.
  • Water-Powered Backup Pumps: These innovative backups use your home's municipal water pressure to create a suction that pumps water out. They require no electricity or batteries, offering a reliable alternative, though they depend on a functioning water supply and can increase water usage during operation 6.
  • Combination Systems: Many homeowners opt for a unit that integrates a primary submersible pump with a built-in battery backup, providing a compact, all-in-one solution for primary and emergency pumping 7.

Key Components of a Sump Pump System

A functional system involves more than just the pump itself. Proper installation integrates several key components:

  1. The Sump Pit: This is a basin (typically 18-24 inches in diameter and 24-36 inches deep) dug at the lowest point of the basement or crawl space floor. It is often lined with a durable plastic or concrete liner and surrounded by gravel to prevent soil clogging the pump 8 9.
  2. Drainage System: To effectively channel water to the pit, perimeter drain tiles are installed around the interior (or exterior) edge of the foundation. These perforated pipes collect incoming groundwater and direct it toward the sump pit 3 2.
  3. The Pump and Discharge Pipe: The pump is placed in the pit. When the water level rises and activates a float switch, the pump turns on, forcing water out through a discharge pipe. This pipe must be properly routed to drain the water a safe distance away from your home's foundation to prevent recirculation 8 4.
  4. Check Valve: Installed on the discharge pipe, this one-way valve prevents ejected water from flowing back into the pit once the pump shuts off 10.
  5. Backup Power Source: This includes the battery backup pump unit, a deep-cycle battery, and a charger, or the connections for a water-powered backup system 1.

Installation Process and Hawaiian Considerations

Professional installation is highly recommended to ensure the system is correctly sized, properly located, and compliant with local codes. The process generally follows these steps:

  • Assessment and Planning: A technician will evaluate your home's flooding risk, the water table, and the best location for the sump pit. In Hawaii, special attention is paid to homes near the coast or in flood zones 1 4.
  • Excavation: The sump pit is dug, and if needed, drainage channels are created for perimeter drains.
  • Pit Lining and Base Preparation: The liner is set, and a base of gravel is added for stability and filtration.
  • Pump Placement and Plumbing: The pump is secured in the pit, and the discharge piping is installed with a check valve. For battery backups, the necessary electrical connections are made.
  • System Testing: The entire system is tested by pouring water into the pit to ensure the pump activates, discharges properly, and the backup system engages as intended.

For homes with crawl spaces-common in Hawaii-specialized systems like crawl space sump pumps are often required. These are designed to handle the unique configuration and access challenges of a crawl space 3.

Find the perfect sump pump installation & repair companies for your needs

Get personalized recommendations and expert advice

Understanding Costs for Sump Pump Services in Hawaii

Costs can vary based on the complexity of the installation, the type of equipment selected, and local labor rates. While the following are general U.S. estimates, Hawaii prices may be influenced by shipping and specific island costs 11 12.

  • Pump Unit Cost: A basic primary pump can start around $80, while high-end submersible models or combination units with integrated backups can range from $500 to $1,200 or more 11 7.
  • Installation Labor: Simple replacement of an existing pump may cost as little as $200. A new, complete system installation involving digging a new pit, adding drainage, and complex electrical work for backups can range from $1,200 to $2,500 or higher 11 10 12.
  • Total Installed Cost: On average, homeowners can expect a total installed cost for a new system to fall between $800 and $2,500, with more complex jobs exceeding this range 7.
  • Maintenance Costs: Annual inspection and servicing are crucial, especially in a demanding environment like Hawaii. Routine maintenance visits typically cost between $50 and $250, covering testing, cleaning, and part replacement if needed 10.

Maintaining Your Sump Pump for Reliable Performance

Regular maintenance is the key to ensuring your system works when a crisis hits. A simple checklist should be performed quarterly and before the rainy season:

  • Visual Inspection: Check that the pump is upright and free of debris in the pit.
  • Test the Pump: Pour a bucket of water into the sump pit to raise the float and trigger the pump. Ensure it turns on, pumps out the water vigorously, and turns off automatically.
  • Test the Backup: Unplug the primary pump or simulate a power outage to verify the backup system activates.
  • Check the Discharge Line: Ensure the outdoor discharge point is clear of leaves, dirt, or ice (though less relevant in Hawaii), and that water flows freely away from the foundation.
  • Clean the Pit: Remove any silt, gravel, or debris that has accumulated, as it can clog the pump intake.
  • Professional Inspection: Have a licensed plumber conduct a thorough annual inspection, which should include checking the check valve, testing the battery and charging system, and verifying all electrical connections 10 4.

Frequently asked questions

Sources

Footnotes

  1. Sump Pump Installation in Hawaii - Foundation Support of HI - https://www.foundationsupporthawaii.com/basement-waterproofing/products/sump-pumps.html 2 3 4 5 6

  2. Basement sump pump installation: 7 Powerful Steps for Success 2025 - https://basementwaterproofingscientists.com/basement-sump-pump-installation/ 2

  3. The Ultimate Guide to Sump Pumps for Basements - https://www.wholesalesepticsupply.com/blogs/guides/the-ultimate-guide-to-sump-pumps-for-basements-protecting-your-home-from-water-damage 2 3 4

  4. Sump Pump Installation and Maintenance: Protecting Your ... - https://justcallheritage.com/blog/sump-pump-installation-and-maintenance-protecting-your-basement-from-flooding/ 2 3 4

  5. Sump Pump Repair & Installation in Oahu & Maui | Allens Plumbing - https://www.allensplumbinghi.com/plumbing-services/sump-pump/ 2

  6. Sump Pump Installation & Setup - Tri-County Water Services - https://tricowater.com/sump-pump-servicing-installation/ 2

  7. Sump Pump Installation Cost Guide | 2026 Prices & Factors - https://modernize.com/foundations/basement-waterproofing/sump-pump-installation-cost 2 3 4

  8. Install a Sump Pump: A Step-by-Step Guide - https://www.effectivewaterproofing.com/how-to-install-a-sump-pump-step-by-step-guide/ 2

  9. Sump Pump Installation: How it Works - https://www.aquaguard.net/resources/basement-waterproofing/sump-pump-installation/

  10. Your Guide to Sump Pump Installation: Tips from the Pros - https://basementwaterproofingscientists.com/sump-pump-installation-guide-2025/ 2 3 4

  11. Basement Sump Pumps: Types, Costs, and Maintenance - https://www.arkbasementservices.com/basement-sump-pumps-types-costs-and-maintenance/ 2 3

  12. How Much Does Sump Pump Installation Cost? 5 Factors - https://freedomplumbingmidwest.com/sump-pump-installation-cost/ 2