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Avatar for Zen Windows of Washington DC

Zen Windows of Washington DC

5.00(
109
)
Approved Pro

Zen Windows of Washington DC

5.00(
109
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
28 years of experience

At Zen Windows, we think that finding replacement windows, sliding doors and entry doors for your home should be a simple, pleasant experience. Our team works closely with you via e-mail and phone to help shape the improvements you envision without ever having a salesperson visit your home. We offer award-winning, energy-efficient windows and doors, and provide a lifetime transferable product and installation warranty. Zen Windows sets our clients at ease with our No Down Payment Policy. You won't pay a penny until the job is completed. Simple, easy, stress-free...the way it should be.

"Our builder grade 1990s wood windows, door, transom and site-lite windows had all suffered from age and neglected painting. They were all long overdue for replacement and then we discovered Zen Windows of Washington, DC. They are consummate professionals. Their high quality, energy efficient products backed by a transferable lifetime warranty, strong technical knowledge, excellent value (price/quality relationship), pressure free consultative sales approach, and absolutely incredible install team left us 100% satisfied from beginning to end. The leader of the install team promised us that they would do the install as if it was his own home and actually did! I am very detail oriented and given the complexity of the job, their work was truly unbelievable. It’s perfect! Don’t waste your time with Andersen, Pella, Thompson Creek or others. Look no further than Zen Windows of Washington DC and work together with them to find the best solution for you. You will be very happy you did."

Devon S on June 2025

At Zen Windows, we think that finding replacement windows, sliding doors and entry doors for your home should be a simple, pleasant experience. Our team works closely with you via e-mail and phone to help shape the improvements you envision without ever having a salesperson visit your home. We offer award-winning, energy-efficient windows and doors, and provide a lifetime transferable product and installation warranty. Zen Windows sets our clients at ease with our No Down Payment Policy. You won't pay a penny until the job is completed. Simple, easy, stress-free...the way it should be.

"Our builder grade 1990s wood windows, door, transom and site-lite windows had all suffered from age and neglected painting. They were all long overdue for replacement and then we discovered Zen Windows of Washington, DC. They are consummate professionals. Their high quality, energy efficient products backed by a transferable lifetime warranty, strong technical knowledge, excellent value (price/quality relationship), pressure free consultative sales approach, and absolutely incredible install team left us 100% satisfied from beginning to end. The leader of the install team promised us that they would do the install as if it was his own home and actually did! I am very detail oriented and given the complexity of the job, their work was truly unbelievable. It’s perfect! Don’t waste your time with Andersen, Pella, Thompson Creek or others. Look no further than Zen Windows of Washington DC and work together with them to find the best solution for you. You will be very happy you did."

Devon S on June 2025


Avatar for Innovative Home Improvements

Innovative Home Improvements

4.97(
405
)
Approved Pro

Innovative Home Improvements

4.97(
405
)
Approved Pro
Super Service Award
Customers say: True professional
39 years of experience
Free onsite estimate

Family owned & operated since 1986. We are client focused. I started Innovative Home Improvements to give customers a real value for their money. We offer high grade energy efficient vinyl windows and Insulated back vinyl siding. We offer one of the best labor and material warranties in the industry. A no pressure experience. Deal with the owner, not a high pressure salesperson. As my daughter always says, Don't wonder why my dads prices are lower, worry why their price is higher. We start with our own crews for top notch Installs, best products on the market, best warranties on the market and finally a owner who really cares. Elkridge, MD, September 19, 2011 Cambridge Who's Who - Paul Harrison, President of Innovative Home Improvements, has been recognized by Cambridge Who's Who for showing dedication, leadership and excellence in home improvement and design. We are know for no pressure, high quality work and customer always comes first attitude. Call them, you'll be happy you did.

"To start we talked with Paul Harrison a very pleasant person to work with. He gave us a very reasonable pricing and he always was available to answer any questions we had. We had 13 replacement windows, one sliding door and a picture window and 2 casement windows that replaced our old bay windows, all perfectly installed. The entire group of workers were very skillful and showed how much they care even on the smallest details. The craftsmanship of their work is impeccable. We are useing Paul's company to add 4 more replacement windows. We would highly recommend Innovative Home Improvements to anyone that needs their services."

Ledda C on September 2025

Family owned & operated since 1986. We are client focused. I started Innovative Home Improvements to give customers a real value for their money. We offer high grade energy efficient vinyl windows and Insulated back vinyl siding. We offer one of the best labor and material warranties in the industry. A no pressure experience. Deal with the owner, not a high pressure salesperson. As my daughter always says, Don't wonder why my dads prices are lower, worry why their price is higher. We start with our own crews for top notch Installs, best products on the market, best warranties on the market and finally a owner who really cares. Elkridge, MD, September 19, 2011 Cambridge Who's Who - Paul Harrison, President of Innovative Home Improvements, has been recognized by Cambridge Who's Who for showing dedication, leadership and excellence in home improvement and design. We are know for no pressure, high quality work and customer always comes first attitude. Call them, you'll be happy you did.

"To start we talked with Paul Harrison a very pleasant person to work with. He gave us a very reasonable pricing and he always was available to answer any questions we had. We had 13 replacement windows, one sliding door and a picture window and 2 casement windows that replaced our old bay windows, all perfectly installed. The entire group of workers were very skillful and showed how much they care even on the smallest details. The craftsmanship of their work is impeccable. We are useing Paul's company to add 4 more replacement windows. We would highly recommend Innovative Home Improvements to anyone that needs their services."

Ledda C on September 2025


Avatar for Unicorp Home Energy Services

Unicorp Home Energy Services

4.95(
543
)
Approved Pro

Unicorp Home Energy Services

4.95(
543
)
Approved Pro
Customers say: Quick response
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
38 years of experience

Since 1987 UNICORP Home Energy Services has made window, siding and roofing projects a worry free experience for over 23,000 homeowners in MD, VA and Washington D.C. We are proud of our flawless record with the Better Business Bureau because customer satisfaction is our number one priority. Our past partnerships with Price Club (Costco) and more recently Pepco Energy Services are a clear indication that we understand the importance of providing substantial savings and value on all our energy saving products. ---- At UNICORP we don't believe in hard-sell tactics, and never make cold calls that interrupt you at meal time. We understand the importance of making the right decision without headache or high pressure. That's why more customers refer us to their friends and family than any other window and siding company. Not surprising when dealing with professionals that care about their customers and love what they do. ---- We thank you for visiting our profile and look forward to improving the quality, enjoyment and energy efficiency of your home. ---- Additional phone - (703) 462-6100. Additional fax - (877) 867-3726. Award winning. Additional DBA - Vinyl Technologies Energy Service. Additional contact name- Brian Weil. Additional email - [email protected].

"We just had Unicorp install new windows throughout our entire house. The window quality is excellent and the installation went very well. We were replacing 55 years old windows - and were very happy with the entire process, from selection, exterior color choices, and finally installation."

sheila t on May 2025

Since 1987 UNICORP Home Energy Services has made window, siding and roofing projects a worry free experience for over 23,000 homeowners in MD, VA and Washington D.C. We are proud of our flawless record with the Better Business Bureau because customer satisfaction is our number one priority. Our past partnerships with Price Club (Costco) and more recently Pepco Energy Services are a clear indication that we understand the importance of providing substantial savings and value on all our energy saving products. ---- At UNICORP we don't believe in hard-sell tactics, and never make cold calls that interrupt you at meal time. We understand the importance of making the right decision without headache or high pressure. That's why more customers refer us to their friends and family than any other window and siding company. Not surprising when dealing with professionals that care about their customers and love what they do. ---- We thank you for visiting our profile and look forward to improving the quality, enjoyment and energy efficiency of your home. ---- Additional phone - (703) 462-6100. Additional fax - (877) 867-3726. Award winning. Additional DBA - Vinyl Technologies Energy Service. Additional contact name- Brian Weil. Additional email - [email protected].

"We just had Unicorp install new windows throughout our entire house. The window quality is excellent and the installation went very well. We were replacing 55 years old windows - and were very happy with the entire process, from selection, exterior color choices, and finally installation."

sheila t on May 2025


Avatar for Basement Gurus, LLC

Basement Gurus, LLC

4.84(
151
)
Approved Pro

Basement Gurus, LLC

4.84(
151
)
Approved Pro
Customers say: Quality work
15 years of experience
Free onsite estimate

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"I was getting water in my basement every time it rained, Dan helped me rule out other causes and recommended a french drain. Basement has been bone dry ever since. The workers took great care and even repaired the water damage from before. I highly recommend calling Basement Gurus for any basement related needs"

Andrew R on December 2025

Basement Gurus LLC, is a locally owned and operated company with over 20 years of experience. We specialize in professional waterproofing services. Our commitment is 100% guaranteed customer satisfaction on every project. Call us today, so that we can give you a free estimate and make your project come to life!

"I was getting water in my basement every time it rained, Dan helped me rule out other causes and recommended a french drain. Basement has been bone dry ever since. The workers took great care and even repaired the water damage from before. I highly recommend calling Basement Gurus for any basement related needs"

Andrew R on December 2025


Avatar for Anderson Home Improvements, LLC

Anderson Home Improvements, LLC

4.97(
35
)
Approved Pro

Anderson Home Improvements, LLC

4.97(
35
)
Approved Pro
Customers say: Quick response
30 years of experience
Free onsite estimate

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Feel free to book online with us today!

"Douglas was hired to get my pool cleaned and ready for swimming. The pool looked like a swamp when he came to give me an estimate. His estimate was a good price so we hired him. He did a fantastic job. He worked very hard trying to get my pool swimmable. He came several days and worked for hours scooping leaves and stuff out of the pool. He scrubbed and vacuumed many times. In the end, he did it and I was very happy. He is one of the hardest working men I have ever seen. Great personality and feels like family. I would recommend him for any job. I will have more work for him in the future. 5 stars."

Janice L on June 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Feel free to book online with us today!

"Douglas was hired to get my pool cleaned and ready for swimming. The pool looked like a swamp when he came to give me an estimate. His estimate was a good price so we hired him. He did a fantastic job. He worked very hard trying to get my pool swimmable. He came several days and worked for hours scooping leaves and stuff out of the pool. He scrubbed and vacuumed many times. In the end, he did it and I was very happy. He is one of the hardest working men I have ever seen. Great personality and feels like family. I would recommend him for any job. I will have more work for him in the future. 5 stars."

Janice L on June 2025


Avatar for L&V HANDYMAN AND REMODELING

L&V HANDYMAN AND REMODELING

5.00(
28
)
Approved Pro

L&V HANDYMAN AND REMODELING

5.00(
28
)
Approved Pro
Super Service Award
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
11 years of experience

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

"I have hired this company for a number of things, including doors, floors, backsplash, etc. he is very fair with his prices and very good with his work. I would hire him again if I need anything done, and I totally approve of everything he has done for me and encourage others to hire him."

Bernie M on August 2025

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

"I have hired this company for a number of things, including doors, floors, backsplash, etc. he is very fair with his prices and very good with his work. I would hire him again if I need anything done, and I totally approve of everything he has done for me and encourage others to hire him."

Bernie M on August 2025


Avatar for Presidential Exteriors LLC

Presidential Exteriors LLC

4.88(
145
)
Approved Pro

Presidential Exteriors LLC

4.88(
145
)
Approved Pro
Super Service Award
Customers say: Super punctual
Recommended by 95% of Angi customers
Recommended by 95% of HomeAdvisor customers
10 years of experience

Licensed in MD, DC and VA, Presidential Exteriors is your one stop solution for any exterior remodeling needs. Our award winning products and experienced installers will ensure that your home is a Presidential Home. We look forward to showing you how our customer centric approach and commitment to communication guarantees satisfaction the first time, every time.

"I appreciated working with Nick, Vick, Nico and Angel. I had a many day project replacing my roof, gutters and patching/painting drywall. Everyone has been great with communication and follow through. All employees were pleasant and professional. I would highly recommend this company."

Elaine C on December 2025

Licensed in MD, DC and VA, Presidential Exteriors is your one stop solution for any exterior remodeling needs. Our award winning products and experienced installers will ensure that your home is a Presidential Home. We look forward to showing you how our customer centric approach and commitment to communication guarantees satisfaction the first time, every time.

"I appreciated working with Nick, Vick, Nico and Angel. I had a many day project replacing my roof, gutters and patching/painting drywall. Everyone has been great with communication and follow through. All employees were pleasant and professional. I would highly recommend this company."

Elaine C on December 2025


Avatar for Peak Custom Remodeling Corporation

Peak Custom Remodeling Corporation

4.91(
116
)
Approved Pro

Peak Custom Remodeling Corporation

4.91(
116
)
Approved Pro
Super Service Award
Customers say: True professional
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
20 years of experience

We are the only company in Maryland offering the “Forever Guarantee” - A guarantee of our workmanship for as long as both you AND the next owner own the home. Unlike other companies we don’t just TELL you something will look good - we SHOW you. We provide full color 3-D renderings of all of our products to show what they will look like on your home PRIOR to you making any decisions or signing a contract. We do this for free the first time we come out as part of our free estimate & design consultation. If you decide to move forward, you don’t have to pay a single dollar until the job is complete and you are satisfied. With the Forever Guarantee, full color 3-D designs before you make a decision, and no payments until the job is complete - our goal is COMPLETE peace of mind for all our customers. We then follow this up with top notch communication, customer service, skill, and quality for Maryland’s leading exterior replacement experience.

"Great work"

max d on August 2025

We are the only company in Maryland offering the “Forever Guarantee” - A guarantee of our workmanship for as long as both you AND the next owner own the home. Unlike other companies we don’t just TELL you something will look good - we SHOW you. We provide full color 3-D renderings of all of our products to show what they will look like on your home PRIOR to you making any decisions or signing a contract. We do this for free the first time we come out as part of our free estimate & design consultation. If you decide to move forward, you don’t have to pay a single dollar until the job is complete and you are satisfied. With the Forever Guarantee, full color 3-D designs before you make a decision, and no payments until the job is complete - our goal is COMPLETE peace of mind for all our customers. We then follow this up with top notch communication, customer service, skill, and quality for Maryland’s leading exterior replacement experience.

"Great work"

max d on August 2025


Avatar for James L Graves Construction

James L Graves Construction

4.95(
154
)
Approved Pro

James L Graves Construction

4.95(
154
)
Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
19 years of experience

James L. Graves Construction is a full service Builder/Re-modeler where "Quality without compromise" is our philosophy. We are an A rated Better Business Bureau Company, Angie's List Super Service Award Winner Every Year Since 2006. EPA Lead Safe Paint Certified Firm, Members of the National Association of Home Builders/Re-modelers, Maryland Home Builders Association, National Kitchen and Bath Association and an Approved Veterans Specially Adapted Housing Certified Builder. Each of our divisions operates under the same principle: You deserve a partner that has the expertise to guide you through every step of your project.

"Superb! My first remodeling experience. Jim Graves and his team flawlessly managed the entire process from estimate to design to demolition to "build". First rate team for every effort. Jim was engaged at every step of the way, and the foreman was experienced, hard-working, professional, and communicative. Honest, transparent & understandable pricing, and most of all - they know the work. Jim has over 40 years of experience, and it is evident in the pride he takes in his projects. Overall, great pros to work with. I would unhesitatingly use them again!"

Gregory W on June 2021

James L. Graves Construction is a full service Builder/Re-modeler where "Quality without compromise" is our philosophy. We are an A rated Better Business Bureau Company, Angie's List Super Service Award Winner Every Year Since 2006. EPA Lead Safe Paint Certified Firm, Members of the National Association of Home Builders/Re-modelers, Maryland Home Builders Association, National Kitchen and Bath Association and an Approved Veterans Specially Adapted Housing Certified Builder. Each of our divisions operates under the same principle: You deserve a partner that has the expertise to guide you through every step of your project.

"Superb! My first remodeling experience. Jim Graves and his team flawlessly managed the entire process from estimate to design to demolition to "build". First rate team for every effort. Jim was engaged at every step of the way, and the foreman was experienced, hard-working, professional, and communicative. Honest, transparent & understandable pricing, and most of all - they know the work. Jim has over 40 years of experience, and it is evident in the pride he takes in his projects. Overall, great pros to work with. I would unhesitatingly use them again!"

Gregory W on June 2021


Avatar for JL Smith Repair & Remodeling

JL Smith Repair & Remodeling

4.81(
36
)
Approved Pro

JL Smith Repair & Remodeling

4.81(
36
)
Approved Pro
Customers say: Quality work
Recommended by 94% of Angi customers
Recommended by 94% of HomeAdvisor customers
30 years of experience

We make home beautiful one room at a time for our customers that are on a budget. We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! 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! We accept cash, checks, Master card and Visa for payment.

"I hired Joe for a whole house project, and I highly recommend his work. The qualify of work is excellent, and his rates are reasonable. Joe was partner throughout the process, and he was meticulous in putting together proposals each time I made an additional request or we uncovered pre-existing issues that required repair. Joe is a good man, and I am extremely fortunate that I found him."

Frederick D on November 2024

We make home beautiful one room at a time for our customers that are on a budget. We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! 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! We accept cash, checks, Master card and Visa for payment.

"I hired Joe for a whole house project, and I highly recommend his work. The qualify of work is excellent, and his rates are reasonable. Joe was partner throughout the process, and he was meticulous in putting together proposals each time I made an additional request or we uncovered pre-existing issues that required repair. Joe is a good man, and I am extremely fortunate that I found him."

Frederick D on November 2024

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Glass Block Windows questions, answered by experts

Glass blocks provide privacy, natural light diffusion, insulation, and a decorative aesthetic.

Heavy glass tends to be more expensive than thin glass because it is stronger and more durable. In most cases, ¼-inch-thick glass is ideal for mirrors, and ⅛-inch-thick glass is ideal for residential windows. Heavier glass isn’t always necessary, and can be more challenging to hang or install. Work with a local window installation pro for replacement or new construction windows.

Most installations take 1-3 days, depending on the number of blocks and customization requirements.

Glass block windows cost about $710 to install, ranging from $460 to $980. The cost factors of installing this type of specialty window include the opening size, design, layout, height, glass block type, installation type, and location. There are many block styles to choose from, including colored, clear, wavy, diamond, and frosted.

Consider the following price ranges of installing glass blocks based on size:

  • 25-by-25 inches: $60–$300

  • 31-by-31 inches: $65–$350

  • 36-by-36 inches: $85–$475

  • 48-by-48 inches: $155–$840

Their thickness depends on application, but most glass walls are typically 3/8 to 3/4 of an inch thick. Although it’s not as common, single panes of glass can also be 1 inch thick.

The Glenelg, MD homeowners’ guide to glass block window services

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

What do you need done? We’ll find top pros.
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