Business Details
50+ Years
experience
Emergency
services
Trusted Plumbing, Heating & Cooling Services in Locust Valley, NY
Established in 1973, L. Graziose Plumbing, Heating & Cooling has built a legacy of excellence on Long Island's North Shore. Our family-owned business combines four decades of expertise with a commitment to up-front pricing, ensuring transparency and trust in every project. We specialize in residential and commercial plumbing, heating, and cooling solutions, delivering meticulous service from minor repairs to full system installations.Our team of licensed professionals prioritizes cleanliness, efficiency, and customer satisfaction, serving both homes and businesses with the same dedication since our founding. With 24/7 emergency availability and a focus on cutting-edge technology like air purification systems, we remain a trusted partner for all climate and plumbing needs.
Services
Plumbing
Heating
Cooling
Preferred Service Plan
Air Purification
Details
- Year established: 1973
Highlights and features
- We offer 45+ years of family-owned plumbing and HVAC expertise
- Our up-front pricing guarantees no hidden costs or surprises
- 24/7 emergency service available for urgent plumbing and heating needs
- Licensed professionals trained in high-end residential and commercial systems
- Preferred Service Plan members receive priority scheduling and discounts
What people say
Job turned out fantastic
Left the house spotless
Saved money on repairs
Professional and friendly team
Reliable emergency service
Services
Plumbing
We provide comprehensive plumbing solutions from simple faucet installations to complex commercial systems. Our licensed technicians handle repairs, replacements, and new installations with precision and care. Our services include sewer and water line repairs, fixture installations, and emergency plumbing services available 24/7.
Heating
Our heating services cover oil-to-gas conversions, boiler repairs, and complete system installations. We service both residential and commercial properties with energy-efficient solutions that maintain comfort year-round. Our team also provides routine maintenance to extend system longevity and optimize performance.
Cooling
We offer residential and commercial cooling solutions including central AC installation, ductless mini-split systems, and hybrid heat pumps. Our technicians ensure proper system sizing and installation for maximum efficiency. Emergency repair services are available to restore comfort quickly during peak summer months.
Preferred Service Plan
Our Preferred Service Plan provides members with discounted rates, priority scheduling, and 24/7 emergency access. The plan includes annual system inspections and maintenance to prevent breakdowns and extend equipment lifespan. Members receive exclusive benefits that enhance system reliability and cost-effectiveness.
Air Purification
We install advanced air purification systems that reduce contaminants and improve indoor air quality. Our solutions include UV light purification and filtration systems that protect health while extending HVAC system life. These energy-efficient upgrades help lower utility costs through improved system performance.
People
Larry Graziose
Founder
Co-founded L. Graziose in 1973 with a vision for family-operated plumbing excellence. Established the company's commitment to integrity and quality craftsmanship that continues through three generations.
Marie Graziose
Founder
Co-founder who helped shape the company's customer-centric approach. Her dedication to professionalism and service excellence remains foundational to the company's culture and operations today.
Robert Graziose
Current Leader
Second-generation leader continuing the family tradition of excellence. Oversees daily operations while maintaining hands-on involvement in complex projects and client relationships across residential and commercial sectors.
Michael Graziose
Operations Manager
Manages technical operations and team training while upholding the company's standards for quality and service. Brings decades of field experience to ensure consistent delivery of promised results.
Daniel Graziose
Next Generation
Third-generation team member representing the future of the family business. Trained in modern plumbing and HVAC technologies while learning traditional values of craftsmanship and customer care.
Questions
What services do you offer?
We provide full-service plumbing, heating, and cooling solutions including emergency repairs, system installations, and maintenance plans for residential and commercial properties.
Do you offer 24/7 emergency service?
Yes, our team is available 24 hours a day, 7 days a week for urgent plumbing and HVAC emergencies on Long Island's North Shore.
What areas do you serve?
We primarily serve Long Island's North Shore communities including Locust Valley, Woodbury, Glen Cove, and surrounding areas for both residential and commercial clients.
How does your pricing work?
We use up-front pricing that tells you the exact cost before work begins - we never charge by the hour, only by the completed job.
Do you offer maintenance plans?
Yes, our Preferred Service Plan includes priority scheduling, discounts, and annual system maintenance to prevent breakdowns and extend equipment lifespan.
Are your technicians licensed?
All our service team members are fully licensed, insured, and trained in the latest plumbing and HVAC technologies and best practices.