Cowper Construction, is a full service site work contractor for the Island of Oahu. We can take care of your project from grubbing and clearing to finish grading. Services include Demo, Oahu Lot Clearing, Rock Breaking, All site prep for building, Septic Systems, Treatment Plants, Leach fields, Trenching, Underground Utilities, Pumping Cesspools and Pumping Septic Tanks Island Wide and much more.

Cowper Construction,
Serving the island of Oahu from excavation and footings to cesspool upgrades and desingn and build ceptic tanks.

Cowper Cunstruction can do the heavy lifting and excavating of your lot. If you need to upgrade your cesspool on Oahu with a new septic tank or need a footing dug for a new retaining wall give us a call. We have years of experince and hundreds of satisfied customers. We are a qualified general contractor based out of the Waialua sugar mill on the North Shore of Oahu. Michael Cowper is the owner and has a solid team working hard to get the job right. With many cesspool upgrades in Hawaii completed and a new Pumping Truck for those older Septic Tanks that just need to be Pumped we have you covered.

Lot Grading, Septic Systems Hawaii, Cesspool Installation & Trench Digging

Pumping cesspools, Pumping Septic Tanks, Oahu lot clearing, Rock Breaking & more

Cowper Construction serving the Hawaiian Island of Oahu for 30 years

We have the right team on staff to get the job done and you will be happy to say you picked Cowper Construction for your Hawaii construction project.
Our equipment operators are very experienced in Hawaii conditions.