Your single source for commercial work
Full-service commercial construction, renovation, and facility maintenance throughout New Jersey, the Lower Hudson Valley, and the Philadelphia metro area.
One call, and we take care of the rest
Gemstar Contractors has delivered commercial construction, renovation, and facility maintenance since 1993. We manage every trade and scope a project requires.
Our clients include national health systems, Fortune 500 telecommunications operators, and national retail brands — organizations that cannot afford disruption, missed schedules, or a vendor who needs supervision.
One point of contact. One certificate of insurance. One team accountable for the work.
Commercial clients across three states
- Commercial Property Managers
- Facility Directors
- General Contractors
- Healthcare Facilities
- Office Buildings
- Retail Centers
- Industrial Facilities
- Hospitality
- Educational Facilities
- Multi-Site Operators
Full scope coverage
Construction & finish trades
Interior and exterior painting, carpentry, commercial doors and windows, drywall, acoustical ceilings, flooring, tile, non-structural framing, selective demolition.
Renovations & tenant improvements
Office renovations, bathroom remodeling, kitchen and cafeteria remodeling, tenant improvement.
Specialty flooring & coatings
Epoxy flooring systems, polyaspartic flooring systems.
Exterior improvements
Masonry, asphalt and paving, roofing, hardscaping, landscaping, weatherproofing, parking lot striping, sweeping and cleaning, pressure washing.
Building systems
Electrical, lighting, plumbing, HVAC — performed by licensed trade contractors under Gemstar's contract.
Facility maintenance
Quarterly and annual maintenance packages, restoration services, handyman services.
What you get that you don't get elsewhere
One call, no headaches
We coordinate every trade and scope, so you make one call and we handle the rest.
33 years in business
Founded 1993. We've been doing this longer than most of our competitors have existed.
Verified trade network
We verify licensing and insurance on every partner, on every project.
Rapid response
Fast estimates, fast scheduling, and same-day certificates of insurance. Calls and emails answered right away.
5-year limited warranty
Coverage on workmanship well beyond the industry norm, backed in writing.
Turnkey delivery
One contract, every trade, one point of contact from walkthrough to closeout.
Flexible scheduling
Nights, weekends, and occupied-space work scheduled around your operations.
Safety below baseline
Experience Modification Rate of 0.98 with OSHA-aligned jobsite practices.
Insurance & registration
| Coverage | Limits | Carrier |
|---|---|---|
| Commercial General Liability | $1,000,000 per occurrence / $2,000,000 aggregate / $2,000,000 products & completed operations | Merchants Insurance Group |
| Umbrella Liability | $2,000,000 per occurrence / $2,000,000 aggregate | Merchants Insurance Group |
| Combined limits available | $2,000,000 per occurrence / $4,000,000 aggregate | |
| Automobile Liability | $1,000,000 combined single limit | Merchants Preferred Ins Co |
| Workers' Compensation | Statutory (New Jersey) | NorGUARD Insurance Company |
| Employers' Liability | $1,000,000 each accident / $1,000,000 disease each employee / $1,000,000 disease policy limit | NorGUARD Insurance Company |
| NJ HIC Registration | 13VH07853100 | |
| Experience Modification Rate | 0.98 |
Certificates issued same day, per property or per contract. Additional insured, waiver of subrogation, and primary non-contributory endorsements available at no charge. Gemstar serves private-sector clients and does not bid public works projects.
Send it to whoever approves vendors.
The PDF is ungated and made to be forwarded. Or call and we'll answer whatever your prequalification process needs.