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.