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TRUSTED BY HOLLIS, NY HOMEOWNERS

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  • Verified reviews icon236
    Verified retaining wall installation services reviews

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Avatar for Rolling Suds of Long Island

Rolling Suds of Long Island

5.00(
9
)
Approved Pro

Rolling Suds of Long Island

5.00(
9
)
Approved Pro
30 years of experience
Free onsite estimate

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

"Great experience working with Rolling Suds. From the initial walk through to the day of the job the customer service was excellent. We had multiple patios and walkways cleaned and they all came out looking like new. Would definitely work with Rolling Suds again in the future. "

Jared B on September 2025

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade, combined with ability, is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

"Great experience working with Rolling Suds. From the initial walk through to the day of the job the customer service was excellent. We had multiple patios and walkways cleaned and they all came out looking like new. Would definitely work with Rolling Suds again in the future. "

Jared B on September 2025


Tree Services

5.00(
2
)
Approved Pro

Tree Services

5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
38 local quotes requested

We have the experience and dedication to get the job done right! Specializing in Tree services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Very well arrived on time did work In timely manner cleaned up after"

Gregory B on July 2025

We have the experience and dedication to get the job done right! Specializing in Tree services; We guarantee your satisfaction, and we won't leave until the job is done right. We pride ourselves on the quality work we provide, while delivering great customer service! Call or click for your FREE estimate today!

"Very well arrived on time did work In timely manner cleaned up after"

Gregory B on July 2025


Avatar for Landscape And Design

Landscape And Design

5.00(
10
)
Approved Pro

Landscape And Design

5.00(
10
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
38 local quotes requested

Landscape & Design is a locally owned and operated business specializing in landscape design and lawn maintenance. We care as much about the quality of our work as you care about your home. We have the experience and the dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right.

"Charlie and his boys did an amazing job with my yard! It's never looked like this in the 30+ years my family has had this house. My neighbors are even walking by and are so surprised how beautiful it looks. I'll just say, I'm glad I trusted him because he did not let me down. Straightforward guy and will deliver what he promises. They worked really hard for 3 weekends straight, and I have no regrets. Thanks Charlie"

Denise B on August 2025

Landscape & Design is a locally owned and operated business specializing in landscape design and lawn maintenance. We care as much about the quality of our work as you care about your home. We have the experience and the dedication to bring your dreams to reality! We guarantee your satisfaction, and we won’t leave until the job is done right.

"Charlie and his boys did an amazing job with my yard! It's never looked like this in the 30+ years my family has had this house. My neighbors are even walking by and are so surprised how beautiful it looks. I'll just say, I'm glad I trusted him because he did not let me down. Straightforward guy and will deliver what he promises. They worked really hard for 3 weekends straight, and I have no regrets. Thanks Charlie"

Denise B on August 2025


Avatar for Zarah Builders Group

Zarah Builders Group

4.60(
10
)
Approved Pro

Zarah Builders Group

4.60(
10
)
Approved Pro
18 local quotes requested
Free onsite estimate

Zarah Builders Group is dedicated to providing our customers with the best quality and craftsmanship since 2017. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"I had a very bitter experience with this pro. They did not do a good job for the concrete work at my place. Water is logging all over the place. The contractor is not able to fix the issue. The old and new concrete did not integrate well. I requested the concrete block separators should be used, but the contractor never fulfilled. Also the cost of the project was revised upwards stating ground levels were too up and down. But this part of the work was not done properly. They did not have tools like digital level finders to figure out which part of the land is up or down. Not a very good pro. Please do not refer them. I never had any problem with any other Agni referrals. In fact all the others did a very excellent jobs except this contractor"

Kalianna L on December 2025

Zarah Builders Group is dedicated to providing our customers with the best quality and craftsmanship since 2017. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"I had a very bitter experience with this pro. They did not do a good job for the concrete work at my place. Water is logging all over the place. The contractor is not able to fix the issue. The old and new concrete did not integrate well. I requested the concrete block separators should be used, but the contractor never fulfilled. Also the cost of the project was revised upwards stating ground levels were too up and down. But this part of the work was not done properly. They did not have tools like digital level finders to figure out which part of the land is up or down. Not a very good pro. Please do not refer them. I never had any problem with any other Agni referrals. In fact all the others did a very excellent jobs except this contractor"

Kalianna L on December 2025


Avatar for MASON TECH NY INC.

MASON TECH NY INC.

4.75(
4
)
Approved Pro

MASON TECH NY INC.

4.75(
4
)
Approved Pro
Free onsite estimate

MASON TECH NY INC. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. We have accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. Full house cleaning, with a 3 hour minimum on service requests.

"Mason Tech responded attentively before and during the job. Not so much after. They did a good job and the price was very good. The job was done in one day and cleaned up nicely. "

Portia A on October 2025

MASON TECH NY INC. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. We have accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business. Full house cleaning, with a 3 hour minimum on service requests.

"Mason Tech responded attentively before and during the job. Not so much after. They did a good job and the price was very good. The job was done in one day and cleaned up nicely. "

Portia A on October 2025


Avatar for United Construction and Painting, Inc.

United Construction and Painting, Inc.

4.65(
36
)
Approved Pro

United Construction and Painting, Inc.

4.65(
36
)
Approved Pro
Customers say: Quick response
83 local quotes requested
4 years of experience

United Construction and Painting, Inc. is a full spectrum home improvement business with years of experience in the industry. We are an elite home improvement expert, currently specializing in an array of expertise for all of your exterior construction needs. We are considered by many to be masters within our field. We can either provide the concept for your project, or breathe life into your own vision, thereby creating a true marveled work of beauty. Regardless of the size and scope of your project, we will employ our unique skill set to see your project through fruition. We will treat your property with the same personal degree of care and consideration that we utilize when working on our own properties. We have satisfied repeat customers that routinely call us for new projects. We are always looking for new clients. Feel free to contact us to schedule an initial consultation, we are more than happy to meet with you and discuss your project today!

"This General Contractor is truly Trusted person he is not greedy for Money and do the good work i trust him for my properties "

Anthoney S on July 2025

United Construction and Painting, Inc. is a full spectrum home improvement business with years of experience in the industry. We are an elite home improvement expert, currently specializing in an array of expertise for all of your exterior construction needs. We are considered by many to be masters within our field. We can either provide the concept for your project, or breathe life into your own vision, thereby creating a true marveled work of beauty. Regardless of the size and scope of your project, we will employ our unique skill set to see your project through fruition. We will treat your property with the same personal degree of care and consideration that we utilize when working on our own properties. We have satisfied repeat customers that routinely call us for new projects. We are always looking for new clients. Feel free to contact us to schedule an initial consultation, we are more than happy to meet with you and discuss your project today!

"This General Contractor is truly Trusted person he is not greedy for Money and do the good work i trust him for my properties "

Anthoney S on July 2025


Avatar for Celtic Property Maintenance

Celtic Property Maintenance

5.00(
10
)
Approved Pro

Celtic Property Maintenance

5.00(
10
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
141 local quotes requested

We specialize in general maintenance such as pressure washing, window cleaning and painting as well as exterior work such as concrete, block work, paving, landscape, drainage and fence erection. We also complete interior work such as timber flooring ,tiling, drywall, cabinet installation, carpet installation and general carpentry. We are a small irish owned and operated company that take great pride in our work and our biggest goal is customer satisfaction.

"My husband and I were so impressed with Sam, Ryan, and Team. First, they responded so quickly to my inquiry and gave us a quote within 2 days post submission. They were clear about what they were going to do to transform our backyard space from an overgrown jungle to a cityscape oasis. They committed to the project immediately and were here each consecutive day that weather allowed until the project was finished, in an unbelievable four days of grueling heat! We will absolutely reach out to them again for future projects."

Doug L on August 2025

We specialize in general maintenance such as pressure washing, window cleaning and painting as well as exterior work such as concrete, block work, paving, landscape, drainage and fence erection. We also complete interior work such as timber flooring ,tiling, drywall, cabinet installation, carpet installation and general carpentry. We are a small irish owned and operated company that take great pride in our work and our biggest goal is customer satisfaction.

"My husband and I were so impressed with Sam, Ryan, and Team. First, they responded so quickly to my inquiry and gave us a quote within 2 days post submission. They were clear about what they were going to do to transform our backyard space from an overgrown jungle to a cityscape oasis. They committed to the project immediately and were here each consecutive day that weather allowed until the project was finished, in an unbelievable four days of grueling heat! We will absolutely reach out to them again for future projects."

Doug L on August 2025


Avatar for Dualstar Exterior Solutions LLC

Dualstar Exterior Solutions LLC

5.00(
6
)
Approved Pro

Dualstar Exterior Solutions LLC

5.00(
6
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
67 local quotes requested

Family owned business with over 20 years of experience. The Dualstar family believes maintaining your lawn and yard is one of the keys to improving your property’s curb appeal. However, sticking to a landscape maintenance schedule can be challenging (particularly if you’re busy with work and other responsibilities), which is why it’s best to hire experts like Dualstar Landscaping and Design. We offer front yard and backyard landscaping services to property owners in Great Neck, NY, and we can help you create the beautiful outdoor space that you deserve. Book an appointment with us now!

"I had great experience with Jose and his guys I will hire them again for other jobs!"

Teresita L on June 2024

Family owned business with over 20 years of experience. The Dualstar family believes maintaining your lawn and yard is one of the keys to improving your property’s curb appeal. However, sticking to a landscape maintenance schedule can be challenging (particularly if you’re busy with work and other responsibilities), which is why it’s best to hire experts like Dualstar Landscaping and Design. We offer front yard and backyard landscaping services to property owners in Great Neck, NY, and we can help you create the beautiful outdoor space that you deserve. Book an appointment with us now!

"I had great experience with Jose and his guys I will hire them again for other jobs!"

Teresita L on June 2024


Avatar for Christmas Tree Delivery and Setup

Christmas Tree Delivery and Setup

5.00(
3
)
Approved Pro

Christmas Tree Delivery and Setup

5.00(
3
)
Approved Pro
48 local quotes requested
Free onsite estimate

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"The guys were very polite and professional, unfortunately the hover lights needed extra connections and extension, which the manufacture does not supply and you need to try and locate a third-party that will connect with their new generation prism lights unfortunately everything from Jovi is backed up. I wouldn’t be able to get what I needed till after the holidays so it’s not worth trying to put up any lights if I can’t because of the unfortunate situation with Jovi, which I can’t understand why they only give customers 112 foot extension and 14 foot extension for 100 foot run. I would definitely recommend these guys. They try their best unfortunately things happen."

Robert V on December 2025

We take great pride in our experience, expertise, quality and customer service that we provide to meet every consumer's needs. It is our mission to provide excellent customer service from start to completion of a project. To understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a personal and professional manner. Our reputation is based on service, safety and quality, regardless of how large or small the job.

"The guys were very polite and professional, unfortunately the hover lights needed extra connections and extension, which the manufacture does not supply and you need to try and locate a third-party that will connect with their new generation prism lights unfortunately everything from Jovi is backed up. I wouldn’t be able to get what I needed till after the holidays so it’s not worth trying to put up any lights if I can’t because of the unfortunate situation with Jovi, which I can’t understand why they only give customers 112 foot extension and 14 foot extension for 100 foot run. I would definitely recommend these guys. They try their best unfortunately things happen."

Robert V on December 2025


Avatar for NY Evergreen Construction Corp.

NY Evergreen Construction Corp.

4.50(
4
)
Approved Pro

NY Evergreen Construction Corp.

4.50(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 local quotes requested

NY Evergreen Construction Corp is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Would refer contractor. He did a great job."

Lynette D on March 2025

NY Evergreen Construction Corp is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

"Would refer contractor. He did a great job."

Lynette D on March 2025

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Retaining Wall Installers questions, answered by experts

Poured concrete is likely the cheapest way to build a retaining wall, as this material costs anywhere from $6 to $8 per square foot. The next best budget-friendly option is to use landscaping timbers. These timbers are great for DIY projects, as they don’t require tools to successfully build a retaining wall. Landscape timber costs around $10 to $14 per square foot. Depending on your chosen garden style, you can also go with natural stones or concrete blocks. Natural stones can be expensive if you buy them, but they’re a lot less costly if you can source them from your property. 

Each design is different, so we can’t say definitively if you’ll need a dedicated drainage system in place for a two-foot retaining wall. However, you can likely skip the drainage, as this project is typically served for walls that are 4 feet tall or more. Even with a relatively low wall, consider drainage if you are building on top of clay or poor-draining soil types or if there are buried water sources nearby, like a well used for other outdoor garden projects.

Sand and gravel are two suitable options for filling behind a retaining wall. If you’re building your own retaining wall, you’ll complete this part of the process—known as backfilling—after you finish laying the blocks. Make sure not to skip it—otherwise, you could wind up with drainage issues, which can cause your retaining wall to collapse.

Regular inspection for issues like cracks or leaning and ensuring drainage stays clear.

To maintain the integrity of your landscape, a retaining wall must be installed if the slope of the angle exceeds 35 degrees. The lean of the wall must be 1 inch per 12 inches in height to disperse the weight of the soil uniformly and guarantee the correct drainage of the soil.

The Hollis, NY homeowners’ guide to retaining wall installation services

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

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