Demar Plumbing Corporation

Whether you're dealing with a dripping faucet, a burst pipe, or planning a full fixture upgrade, Demar Plumbing Corporation provides comprehensive installation, repair, and replacement services for residential and commercial properties across New York City. Our licensed plumbers are equipped to handle everything from minor leaks to major system overhauls, ensuring your water, drainage, and gas lines function safely and efficiently.This service is essential for homeowners experiencing plumbing fa...

Demar Plumbing Corporation is a premier partner for new construction projects throughout New York City, offering complete plumbing, fire protection, and mechanical services from the blueprint stage through to final inspection. We specialize in seamless coordination with general contractors, architects, and other trades to ensure all systems are integrated perfectly and on schedule.This service is designed for developers, construction firms, and property owners undertaking ground-up builds or maj...

Transforming a space requires a plumbing partner who understands complex system modifications. Demar Plumbing Corporation excels in alterations, gut rehabilitations, and critical gas shutdown services for properties across New York City. We expertly reconfigure or completely replace plumbing and gas lines to match new layouts, whether you're renovating a single bathroom, converting a commercial space, or stripping a building back to its studs.This service is crucial for homeowners, landlords, an...

Demar Plumbing Corporation has been a licensed plumbing contractor serving homeowners, property managers, and developers across the city since 1972. Whether you have a leak that needs immediate attention or a system that needs a full review, our team starts by finding the root cause of the problem rather than just patching the symptom. We keep communication clear from the first call through to the final inspection, so you always know what is happening with your property. If your building needs d...

Fire protection is a core part of what we do alongside our plumbing and mechanical work. We design, install, and maintain the systems that protect your building, working to the current standards that New York City requires. Our team coordinates the layout with the rest of the building's systems so that everything fits together and passes inspection. For property owners and managers who need reliable fire protection handled by people who know local code well, we bring decades of hands-on experien...

A gas shutdown is a safety-critical step needed for appliance replacements, line repairs, and many renovation jobs. We carefully seal and isolate the gas lines before work begins, then test everything again before the system is returned to service. Our licensed team handles these shutdowns for homeowners, landlords, and commercial property owners across the city, with attention to safety at every stage. If you are planning work that requires shutting off gas, we can plan the shutdown so it cause...

As a family-owned plumbing contractor in New York City since 1972, we take on residential and commercial work of all sizes. Our crews handle installations, repairs, and full project management, and we coordinate with general contractors and other trades so that your job stays on schedule. We prepare the drawings, handle the required filings with local authorities, and manage the work through final inspection. If you need a contractor who knows how the city's permitting and building requirements...

New construction plumbing starts well before the first pipe goes in. We prepare detailed drawings and plan the layout so the plumbing and mechanical systems meet both the design and the building code from the start. Our team handles rough-in through finish work and manages the filing and expediting with city authorities. Each project is assigned a dedicated project manager who tracks timelines, budgets, and quality, so developers and builders have one point of contact throughout. We bring our lo...

Changing how a space is laid out means the plumbing has to change with it. We reconfigure or replace supply lines, drains, vents, and gas lines to fit the new design, whether the job is one bathroom or a building stripped back to its studs. Working inside existing walls requires careful planning, and we take that care on every rehab. Because we know the older building stock across New York City and the codes that apply to it, we manage the permits and inspections and aim to leave you with a syst...

Mechanical servicing keeps the systems in your building running efficiently and safely over time. We maintain and repair the mechanical components that support plumbing and fire protection, including equipment in multi-unit buildings and commercial spaces. Our approach is to assess the system first, identify what is wearing out, and recommend repairs or upgrades in order of priority. Property owners across the city rely on us to keep these systems dependable, and we are happy to look at your bui...