Infrastructure, Institutions & Homes.
A veteran-led general contractor delivering public works, commercial facilities and custom residential construction across O‘ahu, Maui, Kaua‘i and the Big Island — planned precisely, built to last.
Four markets.
One standard.
From roadway and facility work for public agencies to the kitchen in a Kāne‘ohe home — the same discipline, documentation and safety culture applies to every job we take.
Public & Civic Works
- Government & municipal facilities
- Roads, paving & site improvements
- Schools & community buildings
- Federal & state contract work
Commercial & Industrial
- Office buildings & workplace fit-out
- Warehouse & light industrial
- Ground-up developments
- Tenant improvements
Hospitality & Retail
- Restaurants & commercial kitchens
- Storefronts & retail build-outs
- Hotel & resort renovations
- National-brand rollouts
Residential
- Custom home building
- Whole-home remodeling
- Additions & ADUs
- Kitchen & bath renovation
Full-service
construction.
Six core services covering everything from a single bathroom to a ground-up commercial build — each with in-home consultation, 3D design planning and a dedicated project team.
Kitchen Remodeling
Expert kitchen renovations and custom cabinet installation — modern layouts, granite countertops and finish work that lasts.
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Bathroom Remodeling
Walk-in showers, custom tile and full bathroom rebuilds — waterproofed and detailed for Hawai‘i’s climate.
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Complete Home Remodeling
Whole-house renovations handled end to end, with one team coordinating every trade and one schedule to track.
Inquire Now →Custom Home Building
Ground-up homes designed around how you actually live — from lot evaluation and permitting through final walkthrough.
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Custom Home Additions
Additions and ADUs that create the space you need while matching the structure and character of the existing home.
Inquire Now →Commercial Construction
Retail, office, restaurant and hospitality builds — delivered on time, on budget and to code, statewide.
Inquire Now →End-to-end,
under one contract.
Owners and agencies get a single point of accountability from first estimate through final walkthrough — with the schedule, cost and safety reporting to prove it.
Estimating that holds up at bid day
We scope, quantify and price the work before anyone breaks ground — so budgets survive contact with the field instead of unraveling into change orders.
- Constructability & drawing review
- Detailed quantity takeoff and cost model
- Permitting strategy and agency coordination
- Schedule development with critical-path milestones
One team from concept to keys
Design and construction under a single contract removes the gap where responsibility usually gets lost. Fewer handoffs, faster decisions, one number to hold.
- In-house design coordination and 3D renderings
- Value engineering before drawings are locked
- Single-source responsibility for cost and schedule
- Early trade partner involvement
Field execution, military discipline
Our founder brought the standards of the armed forces onto the jobsite: clean sites, briefed crews, documented days. That is the operating system, not a slogan.
- Dedicated superintendent on every project
- Daily reports, photo logs and progress updates
- Active safety program and site housekeeping
- Subcontractor coordination and quality control holds
Finished means finished
Punch list, documentation and handover treated as deliverables in their own right — because a project isn’t complete until the owner can actually operate it.
- Systematic punch list and final inspection
- As-builts, warranties and O&M documentation
- Owner orientation and care guide
- Post-completion warranty response
Built across
the islands.
A cross-section of the work — public and private, ground-up and restoration. Full project sheets available on request for prequalification packages.
Trusted by national brands
and local institutions.
National rollouts, franchise build-outs and Hawai‘i businesses — delivered to spec.
Built by a Marine.
Run like one.
Founded by Brandon Jarnesky after a decade of military service, United Construction Group runs on the standards he learned there — accountability, preparation and no surprises.
Veteran-Led Excellence
Founded by a proud U.S. veteran, our company embodies the values of discipline, integrity and dedication on every jobsite.
Comprehensive Services
Residential, commercial and restoration solutions — from flooring installation to whole-home remodels and ground-up builds.
Industry-Validated Expertise
Licensed, insured and experienced across every phase of construction, backed by more than a decade in the Hawai‘i market.
Client-Centric Approach
Open communication, transparency and collaboration — we aim to exceed expectations and build lasting partnerships.
Embracing Innovation
Modern technologies and sustainable practices applied to every project, ensuring efficiency and environmental responsibility.
Proven Track Record
Successful projects for Tesla, Buffalo Wild Wings and State of Hawai‘i departments, alongside hundreds of homeowners.
Honest, knowledgeable, and knows exactly what needs to get done to turn the vision into a reality.Kayla C. — Client
Plan. Design.
Build your dreams.
Whether it’s a public bid package or the kitchen you’ve been putting off — send us the scope. We’ll tell you honestly whether we’re the right contractor for it, and if we are, you’ll get a real number and a real schedule.
- ✓ Free in-home or on-site consultation
- ✓ Custom 3D design planning included
- ✓ Licensed & insured — all four islands
- ✓ Response within one business day