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Top-Rated Addition to existing structure builders in La Mesa - Updated Nov 2026

Avatar for I'll Handle IT
I'll Handle IT
4.7(
274
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Small jobs welcome

"Excellent! Appointment was on time, and friendly and professional service. I had a jammed garbage disposal that was quickly determined to be from a soda can tab. Additionally, I had two wall sconces hung. I am very pleased with the work that was done."
Dave Pfizenmeier, Owner
Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We found McCormick home builders through Angie’s list. They were not one of our original contacts, but they contacted us and came out to give us a quote. Matteo was extremely helpful, informative, honest, and gave us reasonable realistic prices, and did not try to inflate the prices or pressure us in anyway. We felt very comfortable with him immediately. We felt like he was a member of the family that we could just talk to and ask questions he was very personable. He gave us his contact number in case we had other questions and he was always available when we needed him for any type of questions or concerns. Mateo‘s team did a beautiful job. They were fast. They were efficient. They cleaned up beautifully. They did a wonderful job. They were very considerate of our time our needs and our neighbors. They were an absolute pleasure to work with. I would highly recommend Matteo from McCormick home builders for any home building projects, and we will be calling him again in the future!"
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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Repairs & Remodels On Demand
Repairs & Remodels On Demand
4.2(
307
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

In business since 1972

Credit card accepted

Customers say: Quick response

"First project: I am very pleased with Repairs & Remodels On Demand (RROD). I was in the process of selling a property that was about 75 years old. The buyer's mortgage company had sent an inspector who noted several issues. Obviously I was under time pressure. RROD responded very quickly. I needed a hearth built in front of an existing fireplace. RROD advised me on what the current code requirements were. I selected material and the hearth was installed the next day. The inspector also reported six electrical issues, four plumbing issues in the kitchen and four in the bathroom. RROD repaired them all in two days. RROD sent a three man team. The timeline for the project was: Day 1, evaluate job and create estimate; Day 2, install hearth, correct electrical issues and begin plumbing work; Day 3, complete plumbing. On the fourth day I notified the buyer's agent to schedule the re-inspection; the inspection passed with no problems. Sale completed. Second project: In a rental property I own, a tenant wanted a laundry area. I had had the area plumbed but the walls had been opened to accomplish the plumbing. I needed the walls closed up, a short wall built, and the appliances installed. First day, evaluate job and create estimate. Two days later start and complete the job in two additional days. On the day after the completion, the tenant reported a problem with a door that had been installed. I went over and checked and she was correct. It was in mid-afternoon and I called RROD and reported the problem. They immediately scheduled an appointment for 8:00 AM the next morning (and repaired it on that visit). It was a small job with a small problem. The work looked very professional and the paint for the new areas matched the existing room colors. The point is, they do high quality work and they really do stand behind their work. I shall certainly use them again. I am very satisfied with their responsiveness and the high quality of work. They are easy people to work with. They came through for me. Dan"
Response time2 days
3 neighbors recently requested a quote
Recommended by80%of homeowners
Avatar for Jake Hill Construction, Inc.
Jake Hill Construction, Inc.
4.5(
26
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

In business since 2014

Warranties offered

Small jobs welcome

"We hired Jake to build a new deck for our yard and we could not be happier (both with the decision to hire Jake and the deck itself). We particularly appreciated the quality of his workmanship and his high level of attention to detail (something that was very important to us). Jake was also extremely helpful in the overall design and planning aspects of the project offering helpful suggestions about materials, potential layout, etc. every step of the way. Jake is responsive and professional and we would not hesitate to hire him again for future projects. On this deck project we were truly thrilled with the final results. Although we did see some lower bids for the work (before selecting Jake), we are confident that we got great value for our dollar in terms of final quality."
Cieling Outlets for a lot of lights
Front of Duplex Cottage
Finshed Gate
Finished Product with trim & paint
Finished Shed

+99

Response time4 hrs
Recommended by100%of homeowners
Avatar for Precision Home Design & Remodeling
Precision Home Design & Remodeling
4.4(
48
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"We made the best decision when we hired Precision to complete 3 bathroom remodels, install new flooring in our kitchen and living room, and remodel our laundry room. Renen is a true professional. He was always available to meet with us and communicated with us every step of the way. I am a very anxious person and from the moment I met him, I knew he was a sincere, honest, good person. I instantly felt at ease and knew I could trust him. He and his team did a fantastic job on our remodel. I couldn't be more pleased by the quality of the work and attention to detail. The work was completed on time and on budget. Renen goes above and beyond to make sure his customers are happy and satisfied. We are looking into building a room addition in the near future. Renen will be the contractor we hire again. If you're looking for a contractor with integrity, who will get the job done right, go with Precision. Thank you Precision Home Design and Remodeling for the amazing job you do and treating your clients like family!"
Kitchen
Kitchen
Bathroom
Bathroom
Bathroom

+151

Response time3 hrs
Response rate98%
2 neighbors recently requested a quote
Avatar for Beyond Design Build
Beyond Design Build
5.0(
3
)
Addition to Existing Structure - Build

Serving La Mesa, CA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"I could not be happier with the work done by Beyond Design Build in creating the granny flat of my dreams! Adding an additional unit to my property is something I have wanted to do for a while and with home value increasing so rapidly I decided now was the time! Shahrzad was just the right person to be running the show. She and her team work like a well-oiled machine. Every member of her crew was friendly, accommodating, and helped me understand what was going on with my project. Shahrzad helped me understand the full value of my granny flat and I have since recommended her to three of my friends in similar situations. Now is the time for a granny flat and Beyond Design Build is the way to go!"
ADU
ADU
ADU
ADU
Response time2 hrs
Response rate94%
13 neighbors recently requested a quote
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FAQs for addition to existing structure building service projects in La Mesa, 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 La Mesa, 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.