COMMERCIAL / RESIDENTIAL PLUMBING

From new construction to complex retrofits, we handle plumbing projects of every scale. Our expert team installs and repairs water, waste, gas, and fire systems – plus a wide range of pumps, interceptors, fixtures, and piping – for both commercial and residential properties.

TYPES OF PROJECTS

Core Construction Services

New Construction

Renovations

Tenant Improvement Projects

Additions

Water & Waste Systems

Domestic Water, Waste, Vent, Storm Drain

New Water Lines

Sewer Lateral Lines

Chlorination

Pipe Inspections & Snaking

Leak Detection

Specialized Equipment & Installations

Grease interceptors

Sump, Booster & Circulating Pumps

Backflow Preventers

Emergency Eye Wash / Shower Stations

Vibration Isolation & Seismic Restraints

Fixtures & Water Heating

Plumbing Fixtures

Gas/Electric Tank & Instant Water Heaters

Solar Hot Water Systems

Fuel Piping

Natural & Propane Gas Piping Installations

Life Safety & Fire Protection

Fire Sprinkler Systems

Fire Alarm Systems

WHY CHOOSE HPG?

As a fully licensed general contractor, we manage every phase of your project—from permitting to close-out—with a single point of contact and a team built for execution. Whether you’re navigating tight timelines, specialized system requirements, or complex logistics, HPG delivers with precision, safety, and aloha.

BUILT FOR COMMERCIAL SCALE

With deep expertise in multi-unit buildings and commercial facilities, HPG is equipped to handle large-scale plumbing projects of any complexity. We meet bonding requirements, navigate strict regulations, and deliver solutions that keep your operations running smoothly.

COMPLIANCE YOU CAN COUNT ON

We’re fully licensed and insured, with strict adherence to local codes and safety standards. Our team follows proven compliance procedures so property managers and owners can trust that every job is done right the first time.

CONSISTENT COMMUNICATION

Every commercial client is assigned a dedicated plumbing coordinator—your direct line for scheduling, on-the-ground updates, and reliable follow-through. With HPG, you’ll always know who to call - and they’ll always be ready to respond.

QUALITY WORK, LASTING RESULTS

Our team uses durable materials, modern technology, and best-practice installation methods to reduce future issues and ensure long-lasting performance.

INTEGRATED PROJECT DELIVERY

Our in-house team manages every trade—from piping and drywall to painting and final cleanup—so you don’t have to juggle multiple contractors or schedules.

RESPECT FOR YOUR PROPERTY

We treat every business and residence with care—protecting floors, counters, and fixtures before work begins, and maintaining a clean, respectful jobsite throughout the process.

Contact Us

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We’re your all-in-one-solution—serving with aloha. Reach out and let’s get your system running smoothly.