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TRUSTED BY HARMANS, MD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon587
    Verified retaining wall installation services reviews

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"We had a great experience with them! Super communicative, great price and super quick. Highly recommend"

Lucie B on December 2024

Duke's Electrical Services is a small, family owned and operated business. The owner, a master electrician, preformes all the work personally to ensure the highest quality workmanship.

"We had a great experience with them! Super communicative, great price and super quick. Highly recommend"

Lucie B on December 2024


C T Smith Electrical Services, LLC

4.87(
289
)
Approved Pro

C T Smith Electrical Services, LLC

4.87(
289
)
Approved Pro
Super Service Award
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
26 years of experience

Locally owned and owner operated. Quality Workmanship on every job! Carl Smith has over 25 years of experience and established C T Smith Electrical Service, LLC.Trained Pro's on every job.

"The gentlemen that came to work were very professional and when I moved forward with the project, they were fast and efficient. I initially wanted just the EV charger installed and requested additional work done."

eric r on April 2025

Locally owned and owner operated. Quality Workmanship on every job! Carl Smith has over 25 years of experience and established C T Smith Electrical Service, LLC.Trained Pro's on every job.

"The gentlemen that came to work were very professional and when I moved forward with the project, they were fast and efficient. I initially wanted just the EV charger installed and requested additional work done."

eric r on April 2025


Avatar for Freedom Fence & Deck LLC

Freedom Fence & Deck LLC

4.94(
208
)
Approved Pro

Freedom Fence & Deck LLC

4.94(
208
)
Approved Pro
Customers say: Quality work
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
24 years of experience

Freedom Fence and Deck specializes in affordable top quality maintenance free decks and fences. We are an owner operated company with zero complaints. We also have earned a A+ rating with the Better Business Bureau. We offer a limited Lifetime Warranty on all our work. Angie's List has awarded us the Super Service Award three years in a row.

"Great experience from start to finish. My appointment was with Carlos who also provided my quotation. Unlike his competitors he came prepared with material samples along with pictures of previous projects. It was clear Carlos had a background in structural engineering as he was able to answer all my questions pertaining to anything structural. I received my proposal the same day of my appointment which others took weeks. It included firm pricing for permits which others only provided a range of cost. The job was well managed with keeping their workers on task and managing material deliverers along with keeping me up to date on job statis. Their workers are true craftsmen as their attention to details clearly shows. My wife and I couldn’t be happier with the deck they constructed along with our experience with this company. "

Donald P on January 2026

Freedom Fence and Deck specializes in affordable top quality maintenance free decks and fences. We are an owner operated company with zero complaints. We also have earned a A+ rating with the Better Business Bureau. We offer a limited Lifetime Warranty on all our work. Angie's List has awarded us the Super Service Award three years in a row.

"Great experience from start to finish. My appointment was with Carlos who also provided my quotation. Unlike his competitors he came prepared with material samples along with pictures of previous projects. It was clear Carlos had a background in structural engineering as he was able to answer all my questions pertaining to anything structural. I received my proposal the same day of my appointment which others took weeks. It included firm pricing for permits which others only provided a range of cost. The job was well managed with keeping their workers on task and managing material deliverers along with keeping me up to date on job statis. Their workers are true craftsmen as their attention to details clearly shows. My wife and I couldn’t be happier with the deck they constructed along with our experience with this company. "

Donald P on January 2026


Avatar for BR Design/Build, LLC

BR Design/Build, LLC

4.82(
115
)
Approved Pro

BR Design/Build, LLC

4.82(
115
)
Approved Pro
Customers say: True professional
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
30 years of experience

Welcome to BR Design Build! We are a custom design build company offering everything from luxury pool design and construction, hardscape design, luxury landscape design and architecture services. We handle everything to give our clients a resort style backyard to relax comfortably in. We do all kinds of projects from big to small and simple to complex. Call BR Design Build today to schedule an appointment for your next backyard design!

"The entire experience from start to finish was 10/10. Craig is extremely knowledgeable, professional and a pleasure to work with. He was patient with us as we decided the layout and features of the patio even coming out to the property multiple times. I will certainly be using BR Design/Build again."

Brittney D on March 2025

Welcome to BR Design Build! We are a custom design build company offering everything from luxury pool design and construction, hardscape design, luxury landscape design and architecture services. We handle everything to give our clients a resort style backyard to relax comfortably in. We do all kinds of projects from big to small and simple to complex. Call BR Design Build today to schedule an appointment for your next backyard design!

"The entire experience from start to finish was 10/10. Craig is extremely knowledgeable, professional and a pleasure to work with. He was patient with us as we decided the layout and features of the patio even coming out to the property multiple times. I will certainly be using BR Design/Build again."

Brittney D on March 2025


Avatar for DMF Landscaping, LLC

DMF Landscaping, LLC

4.89(
44
)
Approved Pro

DMF Landscaping, LLC

4.89(
44
)
Approved Pro
Super Service Award
Customers say: Quick response
22 years of experience
Free onsite estimate

DMF Landscaping is a professional landscaping company that has been serving the area for nearly 14 years. We serve both residential and commercial properties. Our services include landscape creation, landscape maintenance and debris removal. Our experienced landscapers guarantee clean, prompt service. Bulk Mulch * Mulch Installation * Topsoil * Leaf Grow * Spring yard clean up * Sod Installation * Seeding * Dethatching Aerating * Fertilization * Weeding * Shrub & tree replacement * Tree trimming & removal * Stump removal Landscape stone installation * Landscape drainage solutions Synthetic grass lawns and Putting Greens Installation

"DMF is always on time, performs high quality work, ensures quality of work and performs meaningful final inspection of work assuring customer satisfaction - excellent company to work with and very competitive pricing. I will reuse this company!"

Bruce W on August 2025

DMF Landscaping is a professional landscaping company that has been serving the area for nearly 14 years. We serve both residential and commercial properties. Our services include landscape creation, landscape maintenance and debris removal. Our experienced landscapers guarantee clean, prompt service. Bulk Mulch * Mulch Installation * Topsoil * Leaf Grow * Spring yard clean up * Sod Installation * Seeding * Dethatching Aerating * Fertilization * Weeding * Shrub & tree replacement * Tree trimming & removal * Stump removal Landscape stone installation * Landscape drainage solutions Synthetic grass lawns and Putting Greens Installation

"DMF is always on time, performs high quality work, ensures quality of work and performs meaningful final inspection of work assuring customer satisfaction - excellent company to work with and very competitive pricing. I will reuse this company!"

Bruce W on August 2025


Avatar for First Impression Hardscapes, LLC

First Impression Hardscapes, LLC

4.93(
96
)
Approved Pro

First Impression Hardscapes, LLC

4.93(
96
)
Approved Pro
Customers say: Super punctual
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
16 years of experience

First Impression Hardscapes is the premier hardscape artisan in the D.C. metro area, serving Maryland and Washington D.C. We take a custom approach to designing your driveway, walkway, patio, or pool deck in elegant flagstone or stunning, durable pavers. First Impression’s will turn your hardscape fantasies into a First Impression reality! - OUR MISSION: To provide lifestyle changing hardscapes that are aesthetically pleasing, durable, and have eternal value. - OUR VISION: To be the leading hardscape installer in Maryland and Washington D.C. by becoming home and property owners’ first choice for all of their hardscape needs. - OUR HISTORY: First Impression Hardscapes has over 20 years combined experience in serving the D.C. metro area. Our quality of construction is second to none, and we also pride ourselves in having superior customer relations. All of our crews are completely “in house”; we do not use sub-contractors. We are licensed and insured for all of your hardscape needs. No matter how large or small, we are pleased to transform your hardscape fantasies into a First Impression reality! -- Additional email: [email protected].

"Prompt service. We are very happy with the quality of work. We would hire them again."

Jesse T on May 2025

First Impression Hardscapes is the premier hardscape artisan in the D.C. metro area, serving Maryland and Washington D.C. We take a custom approach to designing your driveway, walkway, patio, or pool deck in elegant flagstone or stunning, durable pavers. First Impression’s will turn your hardscape fantasies into a First Impression reality! - OUR MISSION: To provide lifestyle changing hardscapes that are aesthetically pleasing, durable, and have eternal value. - OUR VISION: To be the leading hardscape installer in Maryland and Washington D.C. by becoming home and property owners’ first choice for all of their hardscape needs. - OUR HISTORY: First Impression Hardscapes has over 20 years combined experience in serving the D.C. metro area. Our quality of construction is second to none, and we also pride ourselves in having superior customer relations. All of our crews are completely “in house”; we do not use sub-contractors. We are licensed and insured for all of your hardscape needs. No matter how large or small, we are pleased to transform your hardscape fantasies into a First Impression reality! -- Additional email: [email protected].

"Prompt service. We are very happy with the quality of work. We would hire them again."

Jesse T on May 2025


Avatar for Dietrich Land Care

Dietrich Land Care

5.00(
21
)
Approved Pro

Dietrich Land Care

5.00(
21
)
Approved Pro
Super Service Award
Customers say: Quick response
9 years of experience
Free onsite estimate

Dietrich Land Care is a personable, family-owned landscape business operating out of Central Maryland. We offer services ranging from property cleanups, mulch, installing garden beds, and sod. We also offer drainage solutions, pavers, and excavation / grading services. Together, our team has behind it a collection of knowledge and problem-solving skills that will ensure a delivery and quality of service that is unmatched by our competitors.

"Devon came out in the rain and cut up a tree that was blocking our road. He previously had done some brush clearing for us So we gave him a call and he didn’t hesitate to help us out. Thanks so much!"

M S on January 2026

Dietrich Land Care is a personable, family-owned landscape business operating out of Central Maryland. We offer services ranging from property cleanups, mulch, installing garden beds, and sod. We also offer drainage solutions, pavers, and excavation / grading services. Together, our team has behind it a collection of knowledge and problem-solving skills that will ensure a delivery and quality of service that is unmatched by our competitors.

"Devon came out in the rain and cut up a tree that was blocking our road. He previously had done some brush clearing for us So we gave him a call and he didn’t hesitate to help us out. Thanks so much!"

M S on January 2026


Avatar for JLD Landscaping

JLD Landscaping

5.00(
21
)
Approved Pro

JLD Landscaping

5.00(
21
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

We have the experience and dedication to get the job done right! Specializing in gardening and landscaping 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!

"Jose’s work was superb from start to finish! He and his co-worker worked quickly and efficiently and Jose was a perfectionist in every phase of the job. The cleanup was fantastic! The lawn looks great!"

Andrea M on September 2025

We have the experience and dedication to get the job done right! Specializing in gardening and landscaping 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!

"Jose’s work was superb from start to finish! He and his co-worker worked quickly and efficiently and Jose was a perfectionist in every phase of the job. The cleanup was fantastic! The lawn looks great!"

Andrea M on September 2025


Avatar for The Outdoor Advantage LLC

The Outdoor Advantage LLC

4.68(
683
)
Approved Pro

The Outdoor Advantage LLC

4.68(
683
)
Approved Pro
Customers say: Super punctual
23 years of experience
Free onsite estimate

The Outdoor Advantage, LLC has been making customers happy in central Maryland by performing quality work at reasonable prices since 2002. We specialize in hardscape design and installation, mulching, hauling, planting, gutter cleaning, landscaping, power washing, snow removal and general outdoor maintenance. We help the homeowner add value to their land and create beauty according to the homeowner’s budget and dreams. It is our pleasure to serve the homes of Carroll County, Baltimore County and Baltimore City. We also have several customers as far south as Montgomery County.

"Excellent service!"

Lee L on July 2025

The Outdoor Advantage, LLC has been making customers happy in central Maryland by performing quality work at reasonable prices since 2002. We specialize in hardscape design and installation, mulching, hauling, planting, gutter cleaning, landscaping, power washing, snow removal and general outdoor maintenance. We help the homeowner add value to their land and create beauty according to the homeowner’s budget and dreams. It is our pleasure to serve the homes of Carroll County, Baltimore County and Baltimore City. We also have several customers as far south as Montgomery County.

"Excellent service!"

Lee L on July 2025


Avatar for Ballard Enterprises - Lawn, Landscaping, Tree Services

Ballard Enterprises - Lawn, Landscaping, Tree Services

4.51(
292
)
Approved Pro

Ballard Enterprises - Lawn, Landscaping, Tree Services

4.51(
292
)
Approved Pro
Customers say: Quality work
23 years of experience
Free onsite estimate

We are a full service Lawn Care, Landscaping, and Tree Service. If it's in your yard, our professional staff of qualified and certified technicians are here to help. We offer a full range of services, including: - Lawn Maintenance - Patios and Walkways - Fire Pits and Water Features - Outdoor Kitchens and Pool Surroundings - Paver Driveways - Tree Removal - Tree Pruning - Stump Grinding - Tree health and Risk Assessment - All other facets of Lawn Care, Landscaping, and Tree Services

"Project Manager came to site. Reviewed tasks and provided estimates"

Tochi I on January 2025

We are a full service Lawn Care, Landscaping, and Tree Service. If it's in your yard, our professional staff of qualified and certified technicians are here to help. We offer a full range of services, including: - Lawn Maintenance - Patios and Walkways - Fire Pits and Water Features - Outdoor Kitchens and Pool Surroundings - Paver Driveways - Tree Removal - Tree Pruning - Stump Grinding - Tree health and Risk Assessment - All other facets of Lawn Care, Landscaping, and Tree Services

"Project Manager came to site. Reviewed tasks and provided estimates"

Tochi I on January 2025

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Retaining Wall Installers questions, answered by experts

Generally speaking, a retaining wall should be between 3 and 4 feet high, depending on variables such as the wall-building material, the purpose of the retaining wall, and more. If you want your retaining wall to be taller than 4 feet, check with your local building ordinance office for the maximum allotment. You may also need a special permit for retaining walls over 4 feet tall.

Proper design and construction prevent erosion and add structural stability to landscapes.

The lifespan of a retaining wall varies based on its particular material, whether it was properly installed, how well it’s maintained, and your local climate. Concrete, stone, and brick retaining walls last the longest, with concrete lasting between 50 and 100 years on average. Brick tends to last the longest, with a minimum of one century, under the right conditions. 

Timber retaining walls can start to deteriorate at 20 years, depending on the wood quality, but in the best case, they can last 40 years. Pressure-treated wood retaining walls last 30 years on average.

Generally, a railroad tie retaining wall consisting of a single line of ties should be between 3 and 4 feet tall—and the height often tops out at around 6 feet. You can go taller, but you may need additional footings and reinforcements, including a second layer of railroad ties to support the added weight of the soil it’s holding back.

The longevity of flood walls depends on how they were constructed, but most wood, gravel, and cement flood walls last 10 years. While aluminum flood walls may cost far more initially, they can be a good investment as they can last decades and will not be damaged by exposure to the elements.

The Harmans, MD 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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