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Construction & Facilities Services — Ronkonkoma, NY

Built on
integrity,
delivered with
precision.

With 20 years of experience, Sea Haven Industries provides responsive and reliable construction management solutions, ensuring every project meets the highest standards of quality and professionalism.

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2,500+
Projects Annually
1,000+
Customers
120+
Expert Technicians
40+
Branch Offices

What We Do

Comprehensive facilities expertise, under one roof.

We combine deep technical knowledge across multiple trades with a self-performing model — so you work with one trusted partner, not a rotating cast of subcontractors. No middlemen, no inconsistencies, just reliable results.

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Electrical installation work
01 — Electrical

Electrical Systems

Installation, maintenance, and repair for commercial and residential electrical systems.

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Professional plumbing services
02 — Plumbing

Plumbing

From minor repairs to major installations, our experienced plumbers are ready to handle all your plumbing needs.

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HVAC air conditioning service
03 — HVACR

HVACR Services

Expert installation, efficient repair, and maintenance of heating, ventilation, and air conditioning systems.

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Handyman services
04 — Handyman

Handyman Services

Our expert team handles a variety of repair and maintenance tasks, ensuring your facility always remains in prime condition.

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Garage door repair service
05 — Garage Door Repair

Garage Door Repair

Expert repair and maintenance services to ensure the smooth operation and extended longevity of your garage doors.

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Sea Haven Industries team on site
20 Years of
Experience

Who We Are

A contractor that treats your project like their own.

With 20 years of experience, Sea Haven Industries was built on the conviction that facilities work should be done right the first time. As a self-performing company, we maintain direct control over every project — no subcontractors, no surprises.

Every project, regardless of size, gets the same attention to safety, code compliance, and craftsmanship that our clients have come to expect.

Rapid Response

Emergency and standard crews dispatched at a moment's notice — minimal downtime, maximum efficiency.

Quality

Industry best practices and 120+ licensed technicians on every job.

Safety

OSHA-compliant processes and a zero-incident culture across all trades.

Innovation

Custom solutions — from retrofitting facilities with bespoke equipment to solving unique client challenges.

Our Story

How We Work

A proven process from first call to final inspection.

Discovery & Assessment

We listen first. A site visit or detailed consultation helps us understand scope, constraints, and your specific objectives.

Proposal & Planning

A clear, itemized proposal with realistic timelines. No vague estimates — just a detailed plan you can hold us to.

Execution

Licensed crews, managed schedules, and regular progress updates. We keep the site clean and communication consistent.

Sign-Off & Support

We don't consider a job done until you do. Walk-throughs, documentation, and ongoing support for any follow-up needs.

Client Feedback

What our clients say.

Work With Us
"Sea Haven Industries did an amazing job on our commercial addition. Their team was not only skilled but also very respectful of our space. They completed the project on time, and the result is stunning."
LG
Laura G.
Commercial Property Manager
"I was impressed with the professionalism and skill of the team at Sea Haven Industries. They managed our commercial renovation with minimal disruption and delivered exceptional results."
ES
Emily S.
Facilities Director

Start Your Project

Ready to get it done right?

Whether it's a repair call, a maintenance contract, or a full construction project — Sea Haven is ready to help. Get a detailed, no-obligation quote from our team.

Request a Free Quote
Or call us: (631) 776-5102