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Find Second story addition builders in Holtsville

Avatar for Stone's Construction Corp.

Stone's Construction Corp.

4.74(
31
)
•Approved Pro

Stone's Construction Corp.

4.74(
31
)
•Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
432 local quotes requested

Stone's Construction has been in business since 1986. We are fully insured and have a clean record with Consumer Affairs. Our estimates are free and you deal with the owner. The company continuously provides customers with the best quality and value for the best prices out there. We specialize in Dormers,Extensions,Kitchens,Bathrooms,Basements,Siding, House Lifting, Porticos, Masonry

"I gave a deposit to start a job. A contract was never signed and work was never started. I decided to go in a different direction, Provider initially offered only a $250 refund, I deemed that unacceptable. Provider now has not responded to any attempted communication since approximately May 7."

vincent p on May 2025

Stone's Construction has been in business since 1986. We are fully insured and have a clean record with Consumer Affairs. Our estimates are free and you deal with the owner. The company continuously provides customers with the best quality and value for the best prices out there. We specialize in Dormers,Extensions,Kitchens,Bathrooms,Basements,Siding, House Lifting, Porticos, Masonry

"I gave a deposit to start a job. A contract was never signed and work was never started. I decided to go in a different direction, Provider initially offered only a $250 refund, I deemed that unacceptable. Provider now has not responded to any attempted communication since approximately May 7."

vincent p on May 2025

Avatar for SCI Construction Group

SCI Construction Group

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

SCI Construction Group

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
145 local quotes requested

Family owned business with over 20 years of experience handling all your Remodeling Needs for residential and commercial- Kitchen and Bathrooms, Room Additions, Basements, etc.

Family owned business with over 20 years of experience handling all your Remodeling Needs for residential and commercial- Kitchen and Bathrooms, Room Additions, Basements, etc.

Avatar for QC Construction

QC Construction

5.00(
2
)
•Approved Pro

QC Construction

5.00(
2
)
•Approved Pro
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1 years of experience

We specialize in interior finish work such as: kitchen and bath remodels, basements, crown molding, trim work, built-ins, and more! We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Install went according to plan. The contractor was clean, organized, and on time. I would definitely use him again for any of my contracting needs."

Liam K on October 2024

We specialize in interior finish work such as: kitchen and bath remodels, basements, crown molding, trim work, built-ins, and more! We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Install went according to plan. The contractor was clean, organized, and on time. I would definitely use him again for any of my contracting needs."

Liam K on October 2024

rams home improvement

No reviews yet

rams home improvement

No reviews yet
41 years of experience

work alone or with 1 or 2 helpers.charge by the hour or the amount of work

work alone or with 1 or 2 helpers.charge by the hour or the amount of work

Integrity Custom Carpentry and Remodeling

No reviews yet

Integrity Custom Carpentry and Remodeling

No reviews yet
19 years of experience

Finish Carpentry and Custom Woodworking, we have 5 finish carpenters, we seldom use subcontractors, Suffolk County Home Improvement license #46665-h, Fully insured with 2,000,000 General Liability policy and Workers Compensation insurance, we offer free estimates, Discounts offered for Angies list customers. We are clean cut, reliable, honest finish carpenters who can be trusted to take your vision for your home and make it a reality, or we can design it for you. All work is fully gauranteed!

Finish Carpentry and Custom Woodworking, we have 5 finish carpenters, we seldom use subcontractors, Suffolk County Home Improvement license #46665-h, Fully insured with 2,000,000 General Liability policy and Workers Compensation insurance, we offer free estimates, Discounts offered for Angies list customers. We are clean cut, reliable, honest finish carpenters who can be trusted to take your vision for your home and make it a reality, or we can design it for you. All work is fully gauranteed!

Project Management Inc.

No reviews yet

Project Management Inc.

No reviews yet
12 years of experience

Don't start your renovation project without consulting with Project Management Inc. We protect you against cost over runs, delays and contractor mistakes.

Don't start your renovation project without consulting with Project Management Inc. We protect you against cost over runs, delays and contractor mistakes.

CUSTOM SPRAYING AND REGLAZING

4.73(
33
)

CUSTOM SPRAYING AND REGLAZING

4.73(
33
)
Customers say: Super punctual
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets

Reglazing of bathtubs,sinks,tiles,electrostatic painting of metal surfaces,office furniture ,metal kitchen cabinets

ALL RENOVATION

4.00(
4
)

ALL RENOVATION

4.00(
4
)
Customers say: Quick response
20 years of experience

ADDITIONAL EMAIL ADDRESS: ALLRENOVATION@CS.COM

ADDITIONAL EMAIL ADDRESS: ALLRENOVATION@CS.COM

Compass Building Corporation

No reviews yet

Compass Building Corporation

No reviews yet
32 years of experience

A complete home improvement contractor. No job is too large or too small. We offer free estimates/quotes. For new construction we utilize our sister company, All-tech Carpentry Contractors LLC, the first NAHB certified framing contractor and silver award winner in the United States. Compass is a registered home improvement contractor in the states of New Jersey, Lic. No. 13VH03987500 and Pennsylvania, Lic. No. PA057811. licensed in NJ and PA

A complete home improvement contractor. No job is too large or too small. We offer free estimates/quotes. For new construction we utilize our sister company, All-tech Carpentry Contractors LLC, the first NAHB certified framing contractor and silver award winner in the United States. Compass is a registered home improvement contractor in the states of New Jersey, Lic. No. 13VH03987500 and Pennsylvania, Lic. No. PA057811. licensed in NJ and PA

Lighthouse Building Group

No reviews yet

Lighthouse Building Group

No reviews yet
25 years of experience
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FAQs for second story addition building service projects in Holtsville, NY

For many homeowners, building up is worth the expense because it provides the extra bedrooms or living areas that can’t be accommodated within the existing footprint. A larger, updated home often commands a higher resale price, recouping a sizable share of the project cost while allowing you to stay in the neighborhood you love. Run the numbers with a real estate agent and contractor to ensure the expected return and day-to-day benefits align with your goals.

Whether it makes more sense to build up or out depends on your lot, budget, and local code. Building up preserves yard space and involves less foundation work, but you may need to vacate the home during construction. Building out avoids staircases and can proceed while you stay put; however, it encroaches on the yard and may face setback limits. Compare both options with your contractor before making a decision.

A structural engineer will first inspect the existing foundation for cracks, footings, and load capacity. Depending on the findings, the crew may pour new concrete footings, install steel or concrete piers, add reinforced beams, or tie additional rebar into the slab. These upgrades redistribute the weight of the new floor and bring the structure up to code. Your contractor will outline the specific reinforcement plan and timeline once the engineering report is complete.

The Holtsville, NY homeowners’ guide to second story addition building services

From average costs to expert advice, get all the answers you need to get your job done.

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