Top-rated second story addition builders.

Get matched with top second story addition builders in Randolph, 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 Randolph

Avatar for Monk's Home Improvements

Monk's Home Improvements

4.73(
579
)
•Approved Pro

Monk's Home Improvements

4.73(
579
)
•Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1331 local quotes requested

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"Fair price, very thorough scoping and quoting, great management and communication, and very skilled and friendly workers. Will continue working with Monks on all future home improvement needs."

David R on November 2025

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"Fair price, very thorough scoping and quoting, great management and communication, and very skilled and friendly workers. Will continue working with Monks on all future home improvement needs."

David R on November 2025

Avatar for All Around Renovations LLC

All Around Renovations LLC

4.77(
75
)
•Approved Pro

All Around Renovations LLC

4.77(
75
)
•Approved Pro
Customers say: Quality work
123 local quotes requested
20 years of experience

We are a Home Improvement Contractor you can count on to get the job done, with quality services at affordable prices. All sub-contractors are licensed and fully insured. We are also a 203k construction loan approved contractor. To set up a free home or business estimate, please call Michael at 973-233-8162 (M-F 7AM-5PM) or email me at aarenovations@yahoo.com. Check out our website - www.allaroundrenovationsnj.com

"We hired Michael to renovate our 100-year-old farmhouse-style colonial, and the results were outstanding. He managed a full kitchen overhaul, including an addition that expanded the space and added a hallway—dramatically improving the home's flow. He also built a beautiful new deck, refinished the original oak floors, painted every room, and updated two bathrooms, including a custom shower with French stone tile. Michael’s communication was excellent—clear, timely, and always professional. His attention to detail and high-quality craftsmanship showed in every phase of the project. Most importantly, he took a truly consultative approach, offering thoughtful guidance while always respecting our vision. Highly recommend!"

Shawn R on July 2025

We are a Home Improvement Contractor you can count on to get the job done, with quality services at affordable prices. All sub-contractors are licensed and fully insured. We are also a 203k construction loan approved contractor. To set up a free home or business estimate, please call Michael at 973-233-8162 (M-F 7AM-5PM) or email me at aarenovations@yahoo.com. Check out our website - www.allaroundrenovationsnj.com

"We hired Michael to renovate our 100-year-old farmhouse-style colonial, and the results were outstanding. He managed a full kitchen overhaul, including an addition that expanded the space and added a hallway—dramatically improving the home's flow. He also built a beautiful new deck, refinished the original oak floors, painted every room, and updated two bathrooms, including a custom shower with French stone tile. Michael’s communication was excellent—clear, timely, and always professional. His attention to detail and high-quality craftsmanship showed in every phase of the project. Most importantly, he took a truly consultative approach, offering thoughtful guidance while always respecting our vision. Highly recommend!"

Shawn R on July 2025

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

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.

Avatar for AJ Perri

AJ Perri

4.31(
1,531
)

AJ Perri

4.31(
1,531
)
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

"We used to love this service and gave them glowing reviews on Google in the past, but something has changed. Their customer service sucks, they don't apologize, don't call back etc. We had a hot water heater installed 2 years ago. It is still under warranty. Yesterday, 11/9/25, it broke and started leaking badly - still under a warranty from them. A.J. Perri advertises as they are 24/7 company, but they would not come yesterday and would promise us that first thing this morning, at 8 am, they would be knocking on the door. They never came, never called and never apologized. In fact, they have an attitude for misleading us and at 10 am mo one is here. The technician (do they only have 1 technician?) Is over 1 5 h away at another job. Customer service sucks with them really badly and now I feel as because we called them and voiced our dissatisfaction, no one will reach out to us or help us, while we are covered by their warranty. We had to pay for another service last night to pump"

Vio L on November 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

"We used to love this service and gave them glowing reviews on Google in the past, but something has changed. Their customer service sucks, they don't apologize, don't call back etc. We had a hot water heater installed 2 years ago. It is still under warranty. Yesterday, 11/9/25, it broke and started leaking badly - still under a warranty from them. A.J. Perri advertises as they are 24/7 company, but they would not come yesterday and would promise us that first thing this morning, at 8 am, they would be knocking on the door. They never came, never called and never apologized. In fact, they have an attitude for misleading us and at 10 am mo one is here. The technician (do they only have 1 technician?) Is over 1 5 h away at another job. Customer service sucks with them really badly and now I feel as because we called them and voiced our dissatisfaction, no one will reach out to us or help us, while we are covered by their warranty. We had to pay for another service last night to pump"

Vio L on November 2025

Lita Roofing & Construction

No reviews yet

Lita Roofing & Construction

No reviews yet
20 years of experience

Lita Roofing & Construction is a family owned and operated company for nearly 20 years! We are dedicated to completing only the best, 5 star quality, 10/10 work. Why choose us? You can complete a job without the headaches and look back at the job and not regret it!

Lita Roofing & Construction is a family owned and operated company for nearly 20 years! We are dedicated to completing only the best, 5 star quality, 10/10 work. Why choose us? You can complete a job without the headaches and look back at the job and not regret it!

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 Countywide Tile

Countywide Tile

5.00(
2
)

Countywide Tile

5.00(
2
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

The Countywide Tile Experience: From Start to Finish From a simple bathroom vanities to doing a full-scale home renovation, Countywide Tile is the complete “one-stop” source for all your needs. We specialize in kitchens, baths, built-ins, butler’s pantries, wall units, bars, home office, mud and laundry rooms, fire place surrounds and so much more. We are a service driven team at Countywide Tile; we have an amazing reputation for our outstanding design team, quality and workmanship. Offering our clients a truly one of a kind experience with visual aids to truly bring your projects to life right before your eyes. We feature a wide range of cabinetry, counter top materials, the leading manufactures in fixture and hardware and products to suit every taste, project size and budget.

The Countywide Tile Experience: From Start to Finish From a simple bathroom vanities to doing a full-scale home renovation, Countywide Tile is the complete “one-stop” source for all your needs. We specialize in kitchens, baths, built-ins, butler’s pantries, wall units, bars, home office, mud and laundry rooms, fire place surrounds and so much more. We are a service driven team at Countywide Tile; we have an amazing reputation for our outstanding design team, quality and workmanship. Offering our clients a truly one of a kind experience with visual aids to truly bring your projects to life right before your eyes. We feature a wide range of cabinetry, counter top materials, the leading manufactures in fixture and hardware and products to suit every taste, project size and budget.

Schaffer Structural Systems

5.00(
4
)

Schaffer Structural Systems

5.00(
4
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Family own & operated.

"The old fence was removed; the ground regraded in several spots; the new rail post & rail fence installed including two gates. All the old fencing materials were taken away and a through cleanup performed. This all as per their price and performance quote."

Joseph S on April 2023

Family own & operated.

"The old fence was removed; the ground regraded in several spots; the new rail post & rail fence installed including two gates. All the old fencing materials were taken away and a through cleanup performed. This all as per their price and performance quote."

Joseph S on April 2023

ANNICCHIARICO CONSTRUCTION

No reviews yet

ANNICCHIARICO CONSTRUCTION

No reviews yet
40 years of experience

Annicchiarico construction Basement Waterproofing @ Mold remediation . Insured and Licensed. Construction Manager of residential and Commercial projects.

Annicchiarico construction Basement Waterproofing @ Mold remediation . Insured and Licensed. Construction Manager of residential and Commercial projects.

...
Showing 1-10 of 992
FAQs for second story addition building service projects in Randolph, 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 Randolph, 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.

See all articles