Top-rated second story addition builders.

Get matched with top second story addition builders in Union, NJ

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Second story addition builders in Union

Avatar for frascino Construction

frascino Construction

No reviews yet

frascino Construction

No reviews yet
18 years of experience

Frascino Construction is a family-owned company that operated for more than 25 years in NJ. We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.

Frascino Construction is a family-owned company that operated for more than 25 years in NJ. We work closely with each client to understand their unique needs and preferences, and our commitment to customer satisfaction means we won't rest until you are 100% happy with our work.


Avatar for Auto Transport - United Freight Of America

Auto Transport - United Freight Of America

4.84(
920
)

Auto Transport - United Freight Of America

4.84(
920
)
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021


Nastasi William Builders Inc

No reviews yet

Nastasi William Builders Inc

No reviews yet
Free onsite estimate

For over 30 years, William Nastasi Builders, Inc. has provided home and commercial property owners with outstanding construction and general contracting throughout central New Jersey. The company's experience and quality has been rewarded with winning numerous building awards for a variety of projects. Focusing on renovations, custom homes and other new construction projects, William Nastasi Builders, Inc. offers a variety of services, including general contracting and project management. Being detail oriented and hands on is the foundation of the project oversight you will receive. We pride ourselves in completing every project on time, on budget and with no checklists. By combining experience, cost effective ideas, quality materials and workmanship you will be as satisfied with your project as were the numerous past custom home owners and clients. William Nastasi Builders, Inc. handles everything from beginning to end on your New Jersey remodeling project. Our team of remodeling pros will get your job finished to your satisfaction. We proudly serve Clinton Township, Lebanon Township, Deleware Township, Far Hills, and Flemington Licenses / Credentials - • Registered Builder - State of New Jersey • Home Improvement License - State of New Jersey • Home Improvement License - State of Pennsylvania Call us today!

For over 30 years, William Nastasi Builders, Inc. has provided home and commercial property owners with outstanding construction and general contracting throughout central New Jersey. The company's experience and quality has been rewarded with winning numerous building awards for a variety of projects. Focusing on renovations, custom homes and other new construction projects, William Nastasi Builders, Inc. offers a variety of services, including general contracting and project management. Being detail oriented and hands on is the foundation of the project oversight you will receive. We pride ourselves in completing every project on time, on budget and with no checklists. By combining experience, cost effective ideas, quality materials and workmanship you will be as satisfied with your project as were the numerous past custom home owners and clients. William Nastasi Builders, Inc. handles everything from beginning to end on your New Jersey remodeling project. Our team of remodeling pros will get your job finished to your satisfaction. We proudly serve Clinton Township, Lebanon Township, Deleware Township, Far Hills, and Flemington Licenses / Credentials - • Registered Builder - State of New Jersey • Home Improvement License - State of New Jersey • Home Improvement License - State of Pennsylvania Call us today!


Avatar for Frank Mineo Electrical Contractor Inc

Frank Mineo Electrical Contractor Inc

4.83(
40
)

Frank Mineo Electrical Contractor Inc

4.83(
40
)
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers

Frank Mineo Electrical Contractor, Inc.has been in business 1988. Our work spans the gamut from small Homeowner installations, repairs, remodels, additions and new construction to industrial and Commercial facility remodeling, equipment and machinery installation and service. As a Certified Kohler Generators Dealer our customers are assured peace of mind that we will design and install a backup generator system that meets their needs and fits their budget. Whether a large corporation or a homeowner in a local neighborhood We give free estimates to all prospective clients. Our reputation is built on the quality of our work, reliability and our desire to address all of our clients' concerns in a most personable way. We occasionally offer special promotions. See our reviews to hear what customers say about Mineo Electric!

"Showed up on time. Performed a good job. Friendly."

Mark M on March 2020

Frank Mineo Electrical Contractor, Inc.has been in business 1988. Our work spans the gamut from small Homeowner installations, repairs, remodels, additions and new construction to industrial and Commercial facility remodeling, equipment and machinery installation and service. As a Certified Kohler Generators Dealer our customers are assured peace of mind that we will design and install a backup generator system that meets their needs and fits their budget. Whether a large corporation or a homeowner in a local neighborhood We give free estimates to all prospective clients. Our reputation is built on the quality of our work, reliability and our desire to address all of our clients' concerns in a most personable way. We occasionally offer special promotions. See our reviews to hear what customers say about Mineo Electric!

"Showed up on time. Performed a good job. Friendly."

Mark M on March 2020


Avatar for AJ Perri

AJ Perri

4.31(
1,533
)

AJ Perri

4.31(
1,533
)
Customers say: Super punctual
54 years of experience

For fast and exceptional service for all of your heating, cooling or plumbing needs, call us now: 732-333-3655! Since 1971, A.J. Perri has been proudly serving New Jersey homeowners and businesses across Bergen*, Essex, Mercer, Middlesex, Monmouth, Morris*, Ocean*, Somerset, Passaic*, Hudson*, Sussex*, and Union counties. With over 50 years of experience in heating, air conditioning, plumbing, and indoor air quality systems, A.J. Perri stands behind every installation, service and product with an unmatched 100% satisfaction guarantee. A.J. Perri offers you peace of mind and an established reputation for reliability, quality, and excellence in customer service. You can trust A.J. Perri to take care of your furnace, air conditioner or plumbing repair, service, or replacement. A.J. Perri can also help you with your heat pump, air handler, ductless split system, water heater or purification, sump pump, air cleaner, air filtration system, humidifier, and air ducts. Contact us if you have any questions about service in your area. Service offered 24/7/365. For more information: call or email us at info@ajperri.com. *Additional info: Not all services available in all areas. License# 19HC00103100, 36BI01256600, PA- PA126178

"I had these guys put in a heating and cooling system last June. My father is 86 years old with dementia living in this house with the nurse and the heat keeps dropping down to 58° and they tell me they can?t be out there for five days, today is Thursday and they can?t make it out there till Tuesday. I would have to say stay away from this company. "

Steve A on December 2025

For fast and exceptional service for all of your heating, cooling or plumbing needs, call us now: 732-333-3655! Since 1971, A.J. Perri has been proudly serving New Jersey homeowners and businesses across Bergen*, Essex, Mercer, Middlesex, Monmouth, Morris*, Ocean*, Somerset, Passaic*, Hudson*, Sussex*, and Union counties. With over 50 years of experience in heating, air conditioning, plumbing, and indoor air quality systems, A.J. Perri stands behind every installation, service and product with an unmatched 100% satisfaction guarantee. A.J. Perri offers you peace of mind and an established reputation for reliability, quality, and excellence in customer service. You can trust A.J. Perri to take care of your furnace, air conditioner or plumbing repair, service, or replacement. A.J. Perri can also help you with your heat pump, air handler, ductless split system, water heater or purification, sump pump, air cleaner, air filtration system, humidifier, and air ducts. Contact us if you have any questions about service in your area. Service offered 24/7/365. For more information: call or email us at info@ajperri.com. *Additional info: Not all services available in all areas. License# 19HC00103100, 36BI01256600, PA- PA126178

"I had these guys put in a heating and cooling system last June. My father is 86 years old with dementia living in this house with the nurse and the heat keeps dropping down to 58° and they tell me they can?t be out there for five days, today is Thursday and they can?t make it out there till Tuesday. I would have to say stay away from this company. "

Steve A on December 2025


Cervantes inc

5.00(
1
)

Cervantes inc

5.00(
1
)
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Cervantes Inc LLC is a full-service remodeling and building contractor. We offer a variety of services from and kitchen/bath to complete home remodels. At Cervantes Inc we strive to offer quality products in a timely manner to insure one-on-one service with the customer.

"Hector was very efficient and took his time. He did an amazing job and will definitely be using his services again."

Sierra B on May 2024

Cervantes Inc LLC is a full-service remodeling and building contractor. We offer a variety of services from and kitchen/bath to complete home remodels. At Cervantes Inc we strive to offer quality products in a timely manner to insure one-on-one service with the customer.

"Hector was very efficient and took his time. He did an amazing job and will definitely be using his services again."

Sierra B on May 2024


Avatar for FILIPE CUSTOM WOODWORK INC.

FILIPE CUSTOM WOODWORK INC.

4.60(
5
)

FILIPE CUSTOM WOODWORK INC.

4.60(
5
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Filipe Custom Woodwork, Inc. was founded in 1988 by Filipe Agostinho. With 24 years experience in the woodworking industry, Filipe Agostinho has become well known for his high quality standards in the fabrication of architectural woodwork, custom cabinets and furniture. From its modest start of 2 employees in a 200 square foot shop in 1988, to 16 employees and a spacious 16,000 square foot factory and showroom, Filipe Custom Woodwork, Inc., offers complete involvement from planning, designing, fabrication and installation of any woodwork project. It is this experience that has allowed some of our clients to experience substantial savings through proposed alternates for a given project. The advantage of using a firm with design and construction qualifications is especially important today. Filipe Custom Woodwork, Inc., can help you get the most for your project dollar.

Filipe Custom Woodwork, Inc. was founded in 1988 by Filipe Agostinho. With 24 years experience in the woodworking industry, Filipe Agostinho has become well known for his high quality standards in the fabrication of architectural woodwork, custom cabinets and furniture. From its modest start of 2 employees in a 200 square foot shop in 1988, to 16 employees and a spacious 16,000 square foot factory and showroom, Filipe Custom Woodwork, Inc., offers complete involvement from planning, designing, fabrication and installation of any woodwork project. It is this experience that has allowed some of our clients to experience substantial savings through proposed alternates for a given project. The advantage of using a firm with design and construction qualifications is especially important today. Filipe Custom Woodwork, Inc., can help you get the most for your project dollar.


SALERNO'S KITCHEN CABINETS INC

No reviews yet

SALERNO'S KITCHEN CABINETS INC

No reviews yet
62 years of experience

Salerno's Kitchens has been an industry leader in custom cabinetry with nearly 50 years of exemplary service, reputation and design. Luciano Salerno has been the inspiration for the hard work and devotion that our team of designers and skilled professionals look forward every day to turn your ideas and desires into reality. Today, and after 51 years members of the Salerno family take pride in continuing the "old world" tradition of personally handling every aspect in the creation of custom cabinets and wood furnishings for those who believe that quality, combined with beauty is priceless

Salerno's Kitchens has been an industry leader in custom cabinetry with nearly 50 years of exemplary service, reputation and design. Luciano Salerno has been the inspiration for the hard work and devotion that our team of designers and skilled professionals look forward every day to turn your ideas and desires into reality. Today, and after 51 years members of the Salerno family take pride in continuing the "old world" tradition of personally handling every aspect in the creation of custom cabinets and wood furnishings for those who believe that quality, combined with beauty is priceless


United Custom Made Furniture

4.75(
4
)

United Custom Made Furniture

4.75(
4
)
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

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

...
Showing 1-10 of 1012
FAQs for second story addition building service projects in Union, NJ

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 Union, NJ 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.