Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Diamond Bar, CA

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 Addition to existing structure builders in Diamond Bar

Avatar for Evergreen Construction Group, Inc.
Evergreen Construction Group, Inc.
4.7(
16
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2014

Free estimates

Credit card accepted

"The service was excellent. The workers were nice to work with and it was a great company. Great service and they would try hard to do their job well. We are completely happy with the end results. We highly recommend EverGreen Construction Group Inc."
Project Photos
Project Photos
Project Photos
Project Photos
Project Photos

+12

Response time4 days
39 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for So Cal Builders & Design Inc
So Cal Builders & Design Inc
4.7(
200
)

Serving Diamond Bar, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1982

Free estimates

Warranties offered

"Our initial meeting with Suj was great. Initially, we had in mind a much larger job. He had quoted us $3000 for the closet demolition / wall rebuild (non-load bearing), packaged with several other items. Together with the fee for drawings ($4000) and permits, this was a bit higher than we anticipated. However, we decided to go with Suj due to his responsiveness and professionalism. Out of our other quotes, Suj’s pricing was middle of the pack - not the cheapest or most expensive. When the drawings were complete and evaluated, he gave us an updated cost of $6000 over text message. The scope of work had changed, and this was no longer part of a bigger project - understandable. The issue was when he gave us the official estimate a week later and up’d the price once again to $9000. When asked what happened, his exact words were “well, I need to get paid too”. He had weeks to consider before quoting the $6000 and nothing had changed since then. The extra $3000 may be insignificant compared to most renovation costs, but for us in our first home, this was back breaking. We continued with Suj since we were already locked in and well past the 3 day cancellation period. Their work for the most part was exceptional. The new wall blended perfectly into our existing structure, and the ceiling patch was also well done. The problem here was the floor. They had dug up a 1” deep pit in the floor, likely to remove the wall studs. However, they did not patch the floor or even let us know this was going to be an issue. We were never told about the pit until I decided to check in on their progress one day towards the end of the wall build. This required us to pay a handyman to come in next day on a weekend to patch the concrete since we had cabinets being installed the following Tuesday. Suj was aware of this and did not believe it pertinent information. Overall, Suj and SoCal Builders do quality work, but the issues in pricing consistency lost us before the work even started. Not even telling us that we’d be left with a 1” deep pit in our floor after was another huge issue which should’ve been brought up much earlier. This was our first experience with a contractor and I’m not sure if this is typical or not. However, it’s enough to make me doubt I’d contact them for any future work."
Completely renovating both the guest and master bathrooms. In the master bathroom, we're installing a spacious walk-in shower featuring dual black-finished shower heads, elegant floating benches, and marble wall tiles. Meanwhile, the guest bathroom will have a sleek built-in tub and stylish hexagon tiles.
This project involved adding a new master bathroom to the existing house. The shower features sleek white subway tiles complemented by striking black fixtures and shower door hardware. The bathroom floor is adorned with elegant white marble tiles, providing a seamless and luxurious finish. A white shaker vanity topped with a white marble countertop completes the space, creating a clean and sophisticated look.
Experience a whole new level of indoor-outdoor living with the Torres Residence Backyard Remodel. This project highlights the addition of a kitchen sliding door, seamlessly merging your interior and exterior spaces
We remodeled the current kitchen, incorporating the addition of a new sliding door to establish a seamless indoor-outdoor living area
New pool with Baja bench and spa. New pavers, aluminum patio cover and built-in BBQ in the backyard

+515

28 neighbors recently requested a quote
Recommended by83%of homeowners
Supreme Remodeling Inc
4.8(
315
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"We are working with Guy to convert our garage into an ADU/pool house and it is going great. I'm always impressed by the quality of work that Guy and his team at Supreme demonstrate -- and very pleased that they are able to live up to the timeline that he commits to. They are able to work well and quickly, and at a fair price. This is a big project for us, but Guy has walked us through each step so we know what we need to do. This is the second time we have worked with Guy and he has delivered well on both projects he has worked on with us. If you're looking for someone to take care of a remodeling job for you, I would strongly recommend Guy."
My jobs
My jobs
My jobs
My jobs
My jobs

+115

13 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for HIC Builders, Inc.
HIC Builders, Inc.
5.0(
11
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"I am very pleased with the work done by Hic builders. Our initial contact was Josef. He came out and gave us a fair price to replace a wood fence, patio cover, and deck. Materials were sourced and brought in without delay despite supply shortages. My dad is a civil engineer and he noted the wood to be of good quality. He and his workers showed up daily, on-time until the project was completed. Every day the work area was left tidy and cleaned up. We live in a townhome. The only access to the backyard is through the front door and living area. His team covered our furniture and flooring. We will definitely call on Hic Builders in the future and recommend others to do the same."
Roof & exterior paint
Working on the gas line
Artificial turf project
Roof & exterior paint
Roof & exterior paint

+53

Response time2 days
Response rate98%
34 neighbors recently requested a quote
Avatar for Eduar's Construction
Eduar's Construction
5.0(
13
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2009

Free estimates

Emergency services offered

"10-9-2021 We hired Eduarâ s Construction Co to remodel our upstairs guest bathroom. Eduardo and his crew were very professional from start to finish. He was always available whenever I had questions. I will definitely hire them again and recommend their company to anyone..We love our new bathroom.Thank you for a job well done!!"
kitchen grey shaker
kitchen grey shaker
kitchen grey shaker
kitchen grey shaker
Rancho cucamonga

+21

Response time5 hrs
Response rate86%
1 neighbors recently requested a quote
Avatar for NEW LIFE CONSTRUCTION
NEW LIFE CONSTRUCTION
5.0(
5
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2010

Free estimates

Emergency services offered

"Our kitchen was in dire need of upgrades, and we met with many different contractors for estimates. Young from New Life Construction left the best impression by far, from his professionalism, renovation ideas and design, reasonable pricing, etc. I am so glad we decided to go with New Life as Young and his entire team were a delight to work with from start to finish. We received very helpful opinions regarding many aspects of the design and materials without it being overbearing, and it was helpful to see his previous projects through instagram (@newlife_construction) to see what has worked well for similar kitchens in the past. There was clear communication about everything from details of the job to scheduling and everyone was very attentive to our needs throughout. This company handled the demolition, cleanup, cabinets, countertops, overhead lighting, painting, appliance installation (range/oven and dishwasher), sink and faucet installation for us-- pretty much everything in the kitchen except the floors. They bring in separate contractors that are specialists in their respective field (cabinets, countertop, etc) to do each portion of the project so you know you're truly getting the experts at every step of the way. Even after the project was done, Young went above and beyond to wrap up last-minute issues that came up from cabinet parts that were on backorder and to this day is responsive to any issues that may come up in the future. My family and I are so happy with how the kitchen turned out and we would not hesitate to hire Young and his team again for future projects."
Powder room remodel
Powder room remodel
Powder room remodel
Powder room remodel
Powder room remodel

+7

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Home Renew 360
Home Renew 360
4.9(
66
)

Serving Diamond Bar, CA and surrounding areas

Approved (Corporate)

In business since 2010

Free estimates

Warranties offered

"Relationship Building and Strategic Thinking are how I would describe Home Renew 360. This was my 1st major home improvement project. Viktor Hohlov was my project manager and he has been beyond fantastic. He kept his promise to be with me from day 1 of the project to the end. Adaptability, connectedness, developer, harmony, individualization, positivity and relator are how I would describe Viktor. He heard my comments and concerns and communicated that to his team and contractor. He was constantly checking on the sites and showed great accountability to ensure services and jobs were being done with high standards. Idan Mizrahi was my contractor for the project. Idan and Viktor work amazing together to make sure that I was satisfied with the outcome of what was being done. He was accommodating in meeting with me and showed me a short clip of a video of the whole process of each work. Analytical, strategic, focus and communication were Idan’s strengths. The team that was working on my houses were friendly, respectful and accommodating. They were there on time and cleaned up at the end of the day to ensure safety and cleanliness. My tenants who live there have reported how pleased they are with the crew and the communication they received. The houses look amazing with small details that they were able to exceed beyond my expectation. When you are ready to do your home improvement project, contact Home Renew 360 I highly recommended that you work with Viktor Hohlov and Idan Mizarahi."
Roof in Huntington Beach
Asphalt Shingle Roof
Flat roof
Master Bathroom
Exterior Paint

+168

Response time8 hrs
Response rate99%
76 neighbors recently requested a quote
Avatar for Jorcast Enterprises, Inc.
Jorcast Enterprises, Inc.
5.0(
11
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1988

Free estimates

Credit card accepted

"Jorge, Andy and their team at A1-Builders were knowledgeable, honest, reliable and above all always available to answer any questions we had. They helped build a 2 bed 1 bath 600sqft addition to our home during the lean months over the pandemic. We had multiple projects (pool, patio, retaining wall) going on at the same time with other contractors and the crew from A1-Builders were by far the most professional. They always made sure that they left their work site clean after each dayâ s work. Jorge will definitely be the first person I call for our next home project because I know that even if he does not have the time to do the work, he will always guide me in the right direction. Thank you again to the entire A1-Builder team!"
Kitchen Remodel
Accent wall
Response time2 days
1 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for Skyline Konstruction
Skyline Konstruction
4.9(
11
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2016

Free estimates

Warranties offered

"Skyline construction did an excellent job. Juan Munoz was a great contractor. We wanted to build an ADU but didn’t know who to trust. The workers were neat and careful. Every worker treated us with respect and we’re very friendly. I would highly recommend them to any of my friends or family."
Restroom
Home remodel
Laundry
Home remodel
Laundry

+93

Response time2 days
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for WeBuild Home Efficient
WeBuild Home Efficient
5.0(
15
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Isaac came after we met few other contractors , his presentation was the most professional , he was very careful making sure we’ll get what we need including testing for mold , now we have a new roof and a mold free house , his crew did an amazing job , making sure small details were covered and taking the time and effort to make sure everything done to our satisfaction, the job was done on time and on budget which very important for us , he also worked with our insurance company and solar company which helped a lot. I really recommend this company and Isaac. Definitely will use them in the future again."
WeBuild Home Efficient
My jobs
My jobs
My jobs
My jobs

+46

23 neighbors recently requested a quote
Recommended by100%of homeowners
Showing 1-10 of 29
FAQs for addition to existing structure building service projects in Diamond Bar, CA

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Diamond Bar, CA homeowners’ guide to addition to existing structure building services

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