General Contracting & Remodeling Services in Long Island, NY

From vision to execution, every detail matters. Our team approaches every project with care, combining quality workmanship and genuine professionalism to deliver results that reflect Long Island’s high standards. We focus on communication, precision, and trust, ensuring that every step runs smoothly and our clients always feel confident their project is in expert hands.

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The Monarch Experience

Monarch Contracting is a licensed, full-service general contractor specializing in Long Island’s diverse housing stock, from historic homes in Garden City and Great Neck to modern developments in Manhasset and beyond. With decades of experience, we understand the unique challenges that come with renovating and expanding properties in suburban communities. Our team expertly handles every aspect of construction, from design and permitting to execution and warranty.
Whether updating pre-war homes, adding spacious extensions to single-family properties, or enhancing commercial spaces, we ensure top-tier craftsmanship and attention to detail. Long Island’s larger homes and expansive lots offer endless renovation possibilities, and we bring those possibilities to life with precision. Our reputation for quality and reliability makes us the go-to choice for homeowners and businesses across Nassau County and Suffolk County.

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Common Projects in Long Island

● Suburban home renovations – Updating and modernizing older homes, including kitchen, bathroom, and living space expansions.● Home additions – Expanding living areas with second-story or rear additions to increase space and functionality. ● Finished basement conversions – Transforming basements into functional living spaces, such as home offices, additional bedrooms, or entertainment rooms.● Outdoor living spaces – Designing and building outdoor kitchens, pools, patios, and decks for more usable yard space.● Multi-family property renovations – Updating multi-family units with modern amenities, including kitchens, bathrooms, and energy-efficient systems.

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Our Services

Suburban Home Renovations

Renovations for larger suburban homes, including colonials, split-levels, ranches, and capes. We specialize in modernizing older properties and expanding living space with thoughtful, efficient designs.

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Full Home Additions

Comprehensive home additions that enhance space and functionality. From expanding existing layouts to adding new levels, we bring your vision to life with precision and craftsmanship.

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Basement Finishing & Upgrades

Standard finished basements for extra living space or entertainment areas. We handle all aspects, from layout planning to final finishes, making the most of your home’s potential.

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Outdoor Living Spaces

Design and build outdoor kitchens, pools, and patios that turn your backyard into a functional, relaxing retreat. We handle everything from the foundation to final landscaping.

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Renovations for Aging Homes

Upgrading homes built in the 1950s–70s to meet modern standards. Our services focus on updating electrical, plumbing, and structural elements while maintaining the home’s charm.

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Local Permit Navigation

We navigate the town-specific permit process for suburban areas, ensuring all necessary approvals are secured for your project, so it stays on track without delays.

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Efficient Logistics & Staging

With more space for staging materials and easier access, we streamline construction logistics for faster, more efficient project completion, no matter the scale.

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Nassau County
● Garden City: Known for its charming tree-lined streets and historic homes, we specialize in renovations that preserve classic architecture while updating systems for modern living.● Great Neck: With a mix of luxury homes and expansive estates, we focus on large-scale renovations and custom home additions to suit the needs of growing families.● Manhasset: Offering suburban elegance with proximity to New York City, our work often involves high-end home remodeling and basement finishing to maximize space.● Rockville Centre: A vibrant suburban community with historic homes, we handle everything from kitchen remodels to full home renovations to preserve its character while adding modern amenities.● Lynbrook Home to many traditional-style houses, we’re known for updating older homes and adding functional living space with extensions or basement conversions.● Valley Stream: A diverse area with a mix of single-family homes, we specialize in affordable renovations and updates, including energy-efficient solutions and kitchen remodeling.
Suffolk County
● Huntington: A blend of historic homes and newer properties, we work on everything from pre-war home restorations to contemporary additions that enhance livability.● Babylon: Coastal homes with unique challenges, we focus on weather-resistant renovations and waterfront property upgrades, including outdoor living spaces like patios and decks.● Smithtown: With larger homes and spacious lots, we handle everything from home additions to full home remodels, creating more functional spaces for families.● Islip: Known for its suburban atmosphere and diverse housing options, we offer renovations that improve energy efficiency and modernize older homes while respecting their charm.

Nassau county
● Garden City: Known for its charming tree-lined streets and historic homes, we specialize in renovations that preserve classic architecture while updating systems for modern living.● Great Neck: With a mix of luxury homes and expansive estates, we focus on large-scale renovations and custom home additions to suit the needs of growing families.● Manhasset: Offering suburban elegance with proximity to New York City, our work often involves high-end home remodeling and basement finishing to maximize space.● Rockville Centre: A vibrant suburban community with historic homes, we handle everything from kitchen remodels to full home renovations to preserve its character while adding modern amenities.● Lynbrook Home to many traditional-style houses, we’re known for updating older homes and adding functional living space with extensions or basement conversions.● Valley Stream: A diverse area with a mix of single-family homes, we specialize in affordable renovations and updates, including energy-efficient solutions and kitchen remodeling.

Suffolk County
● Huntington: A blend of historic homes and newer properties, we work on everything from pre-war home restorations to contemporary additions that enhance livability.● Babylon: Coastal homes with unique challenges, we focus on weather-resistant renovations and waterfront property upgrades, including outdoor living spaces like patios and decks.● Smithtown: With larger homes and spacious lots, we handle everything from home additions to full home remodels, creating more functional spaces for families.● Islip: Known for its suburban atmosphere and diverse housing options, we offer renovations that improve energy efficiency and modernize older homes while respecting their charm.

Why Clients Choose Monarch Contracting - the Leading Construction Company in New York

Monarch Contracting specializes in delivering top-tier construction services across Long Island, from the bustling commercial hubs of Route 110 to the growing communities of Huntington, Babylon, and Smithtown. Our licensed team brings unmatched expertise to every project, whether it’s residential renovations or large-scale commercial developments. We manage all phases of construction in-house, ensuring that every detail meets our high standards for quality, efficiency, and compliance. With the Monarch Method guiding us, we emphasize clear communication, on-time delivery, and cost control to keep your project on track and within budget. Trusted by clients throughout Long Island, we’re known for our professionalism, reliability, and commitment to results.

Transparent Proposals

Detailed, itemized scopes reviewed by our team, so you know exactly what you’re paying for, before we get started.

Payment in Phases

We follow a progress-based payment structure tied to actual milestones, keeping expectations aligned and your project on track.

Quality You Can Count On

Our licensed crews stand behind every detail. If something isn’t right, we make it right, no runaround, no excuses.

Dedicated Team & Ongoing Communication

You’ll never be left guessing. From timelines to updates, your project manager keeps you informed every step of the way.

Fully Licensed, Fully Insured

Ensures profesionnal standards and safety. Giving you peace of mind throughout the project.

On-Time Completion

We stay on schedule. Ensuring that your project is completed as promised without unnecessary delays.

Our trusted network of industry-leading partners

At Monarch Contracting, we believe collaboration drives success. Over the years, we’ve built strong partnerships with trusted suppliers, licensed trades, architects, engineers, and vendors. These connections enable us to source top-quality materials, access specialized services, and keep projects efficient, all while maintaining the highest standards of quality and compliance. Working with us means tapping into a network of industry professionals committed to delivering excellence.

What Our Clients Say..

What types of renovations are common on Long Island?
Common renovations in Long Island include updating suburban homes, basement conversions, home additions, and outdoor living space enhancements like pools and patios. Many homeowners also focus on expanding kitchens and remodeling bathrooms to meet modern needs.
What permits do I need for a Long Island home addition?
You’ll need a building permit for any home addition on Long Island. This typically includes zoning, structural, electrical, and plumbing permits, depending on the scope of work. Local municipalities require approval before starting construction to ensure compliance with building codes.
How long does it take to renovate a Long Island home?
The timeline for a home renovation in Long Island depends on the scope of the project, but typically, smaller renovations can take a few weeks, while larger additions or multi-room remodels may take several months. We ensure timely completion by managing each phase with precision and clear communication.
What are the common challenges of renovating a Long Island home?
Long Island renovations can face challenges such as navigating town-specific permit processes, dealing with aging housing stock that needs significant upgrades, and handling large-scale project logistics due to spacious lots. Our team is experienced in overcoming these hurdles efficiently.
How much does a second-story addition cost on Long Island?
A second-story addition on Long Island generally costs between $100,000 and $300,000. The price typically ranges from $150 to $300 per square foot, depending on the design and materials used.