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TRUSTED BY DIAMOND BAR, CA HOMEOWNERS
4.6
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Verified Reviews for Drywall Insulation pros in Diamond Bar, CA
*The Angi rating for Drywall Insulation companies in Diamond Bar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.
*The HomeAdvisor rating for Drywall Insulation companies in Diamond Bar, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.
Last update on January 03, 2026
Find Drywall insulation pros in Diamond Bar
Lee's drywall and plaster repair
Lee's drywall and plaster repair
Fully licensed and bonded. Owner does all the work by himself and has more than 25 years experience. Award winning. Specializing in Drywall and Stucco Repair and matching textures.
" Mr. Lee did an excellent job on the drywall repair I needed. He even arrived despite challenging weather conditions. I was especially impressed by his professionalism and overall demeanor. "
Harry P on January 2026
Fully licensed and bonded. Owner does all the work by himself and has more than 25 years experience. Award winning. Specializing in Drywall and Stucco Repair and matching textures.
" Mr. Lee did an excellent job on the drywall repair I needed. He even arrived despite challenging weather conditions. I was especially impressed by his professionalism and overall demeanor. "
Harry P on January 2026

Thor McAndrew Construction
Thor McAndrew Construction
Thor McAndrew Construction is a family owned and operated business since 1998. We pride ourselves in providing prompt and couteous service to all of our customers. We are licensed and insured and provide free estimates.
"They were very knowledgeable, quick and courteous."
Marilyn H on June 2025
Thor McAndrew Construction is a family owned and operated business since 1998. We pride ourselves in providing prompt and couteous service to all of our customers. We are licensed and insured and provide free estimates.
"They were very knowledgeable, quick and courteous."
Marilyn H on June 2025

Everguard Home Insulation Inc.
Everguard Home Insulation Inc.
Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.
"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"
Leo C on May 2025
Everguard Insulation has been a family business since 1959. Today, over 65 years and three generations later, we're proud of our contribution to the community, economy and environment. We help people save money on their utility bills while also enjoying a more comfortable home in both summer and winter. We also take pride in helping the environment and doing our part towards energy conservation and making the planet a greener place for generations to come. Additional phone numbers 818.348.1460 & 310.274.5644 - Additional DBA - Home Insulation Products. Award winning.
"We were very with the entire process! They took time to cover everything and the first and second team of workers were polite and careful in the work they performed. Aldi the clean up afterwards was excellent as well. We were super happy and would highly recommend them to anyone thinking of replacing there insulation!!"
Leo C on May 2025

System 1 Acoustic Ceiling Removal
System 1 Acoustic Ceiling Removal
Using state of the art equipment, our highly skilled staff can remove your old popcorn ceilings in a day or less with no mess. We use the highest grade of materials possible, and we offer many textures to choose from. Our estimators bring texture and paint samples to your home, so you can see the quality of the work yourself. In addition, we also specialize in wall texturing, dry wall, and full interior and exterior painting.
"Job was completed quickly and looks great. Richard was friendly and professional in setting up the appointment, coming out for the estimate and squeezing my project in quickly. His serviceman was on time, professional, and did an amazing job. He left the place spotless after completing the project. Would recommend and use again."
Heather R on June 2023
Using state of the art equipment, our highly skilled staff can remove your old popcorn ceilings in a day or less with no mess. We use the highest grade of materials possible, and we offer many textures to choose from. Our estimators bring texture and paint samples to your home, so you can see the quality of the work yourself. In addition, we also specialize in wall texturing, dry wall, and full interior and exterior painting.
"Job was completed quickly and looks great. Richard was friendly and professional in setting up the appointment, coming out for the estimate and squeezing my project in quickly. His serviceman was on time, professional, and did an amazing job. He left the place spotless after completing the project. Would recommend and use again."
Heather R on June 2023

A J M Construction
A J M Construction
Welcome to A J M Construction! Proudly servicing Los Angeles and the surrounding areas. We take great pride in our professionalism and customer satisfaction. We specialize in all your drywall needs and no job is too big or too small for us. For fast, reliable, and efficient service give us a call today.
"Arturo was very responsive and easy to communicate with. He provided updates and finished right on schedule with the timeline he provided. He and Oscar did great work and left the areas they worked on very clean. We added on an extra project at the end and Arturo found a way to get it done for us before we moved into the house. Highly recommend Arturo and his team. "
Elisabeth H on September 2025
Welcome to A J M Construction! Proudly servicing Los Angeles and the surrounding areas. We take great pride in our professionalism and customer satisfaction. We specialize in all your drywall needs and no job is too big or too small for us. For fast, reliable, and efficient service give us a call today.
"Arturo was very responsive and easy to communicate with. He provided updates and finished right on schedule with the timeline he provided. He and Oscar did great work and left the areas they worked on very clean. We added on an extra project at the end and Arturo found a way to get it done for us before we moved into the house. Highly recommend Arturo and his team. "
Elisabeth H on September 2025

Marathon Insulation
Marathon Insulation
Hi my name is Jonathan owner of Marathon Insulation. I started working for a reputable company 13 years ago, just this year I decided to start my own business. I have all the knowledge and hands on experience to answer any of your insulation questions.
"Great very pleased"
Betsy W on December 2023
Hi my name is Jonathan owner of Marathon Insulation. I started working for a reputable company 13 years ago, just this year I decided to start my own business. I have all the knowledge and hands on experience to answer any of your insulation questions.
"Great very pleased"
Betsy W on December 2023

Caliber Drywall
Caliber Drywall
We are locally owned and operated company serving the Inland Empire, Orange County, and some parts of L.A county CA and surrounding communities. Caliber Drywall offers quality workmanship, with reasonable rates and friendly customer service to all of our clients. For your next drywall project, installation or repair, call Caliber Drywall. We are fully licensed and insured. Call us now!
"Mr. Caliber did a perfect job, professional and responsible. My wall was repaired as before. "
Kimberly Y on December 2025
We are locally owned and operated company serving the Inland Empire, Orange County, and some parts of L.A county CA and surrounding communities. Caliber Drywall offers quality workmanship, with reasonable rates and friendly customer service to all of our clients. For your next drywall project, installation or repair, call Caliber Drywall. We are fully licensed and insured. Call us now!
"Mr. Caliber did a perfect job, professional and responsible. My wall was repaired as before. "
Kimberly Y on December 2025

Prime Drywall Design Inc
Prime Drywall Design Inc
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.
"Francisco and crew were great. The responded quickly. Was able to give a good estimate. They were very easy to get ahold of. Showed up on time and got to work. Respectful of property and cleaned up afterward. They fixed and replaced broken drywall in the ceiling and then repainted the entire ceiling. "
Barry W on October 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.
"Francisco and crew were great. The responded quickly. Was able to give a good estimate. They were very easy to get ahold of. Showed up on time and got to work. Respectful of property and cleaned up afterward. They fixed and replaced broken drywall in the ceiling and then repainted the entire ceiling. "
Barry W on October 2025

Insulation Nation, LLC
Insulation Nation, LLC
Hi there from Dustin, owner of Insulation Nation! Here in So Cal, we join our Colorado office in providing personalized high touch experiences for our customers. I work with our customers directly every step of the way from evaluation, education and review of options, through the project and to inspection of the results. We've never seen less than a 5 star review. Small businesses live and die by reviews and we are ready to earn 5 stars on your project! Thank you! C-02 Insulation and Acoustic #: 1127373 EXP: 10/31/2026
"We had Insulation Nation (Dustin) come to our house to look at our attis insulation; our house was built in the late 70's and I had added more blown-in insulation many years ago. We decided on adding 8" of blown-in insulation to reduce our heating/cooling cost and to reduce the cycling of our HVAC system. They did a wonderful job of sealing any attic leaks, covers for our canned lighting fixtures, built a dam around our whole house fan, added baffles around our soffits, and added the insulation. Nicely done and a professional job. Would recommend using their service."
Robert S on February 2025
Hi there from Dustin, owner of Insulation Nation! Here in So Cal, we join our Colorado office in providing personalized high touch experiences for our customers. I work with our customers directly every step of the way from evaluation, education and review of options, through the project and to inspection of the results. We've never seen less than a 5 star review. Small businesses live and die by reviews and we are ready to earn 5 stars on your project! Thank you! C-02 Insulation and Acoustic #: 1127373 EXP: 10/31/2026
"We had Insulation Nation (Dustin) come to our house to look at our attis insulation; our house was built in the late 70's and I had added more blown-in insulation many years ago. We decided on adding 8" of blown-in insulation to reduce our heating/cooling cost and to reduce the cycling of our HVAC system. They did a wonderful job of sealing any attic leaks, covers for our canned lighting fixtures, built a dam around our whole house fan, added baffles around our soffits, and added the insulation. Nicely done and a professional job. Would recommend using their service."
Robert S on February 2025
"Professional Builders & Remodeling is a great company! I hired them for the first time but certainly not the last. I went with them on my kitchen remodel and they did a perfect job! They were always on time, professional, honest, and they made the whole remodeling process easy and simple. The kitchen turned out great, it's very beautiful and I love it!"
Jack M on July 2023
License - #B-800769.
"Professional Builders & Remodeling is a great company! I hired them for the first time but certainly not the last. I went with them on my kitchen remodel and they did a perfect job! They were always on time, professional, honest, and they made the whole remodeling process easy and simple. The kitchen turned out great, it's very beautiful and I love it!"
Jack M on July 2023
The Diamond Bar, CA homeowners’ guide to drywall insulation services
From average costs to expert advice, get all the answers you need to get your job done.

The cost to replace plaster with drywall can quickly add up. This guide will help you budget for this project and decide if it's worth the effort and cost.
•Installing drywall is the most common way to finish your home’s interior. Use this drywall installation cost guide to see what your project is likely to cost.

Whether you’re trying to keep noise in or out, soundproofing materials are the way to go. Use this guide to see how much it costs to soundproof a room.

Building a room isn't complete without walls and a ceiling, but what's the best material to use? Compare cement board vs. drywall to find your best solution.

When choosing between types of drywall mud, you need to consider your project and how quickly you can work. Use this guide to help you select the best drywall mud for your project.

Drywall has long been the standard, but it’s not your only option. These amazing alternatives to drywall can come with some major benefits.
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- 🌱 "Mow a small front yard"
- 🛠 "Fix a leaking pipe under the sink"
- 🏠 "Repair shingles on an asphalt roof"








