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

Avatar for Pristine Construction Inc
Pristine Construction Inc
4.9(
212
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 1997

Free estimates

Emergency services offered

"Pristine Construction just completed a kitchen remodel for us this December. The project was finished on time even though additional projects were added along the way. Everybody from Pristine Construction did their job in the most professional and honest way possible. Through Angie’s List reviews, I came to know their reputation. And these reviews helped me to contact Pristine. The reviews were written in a way that I saw and experienced personally the good things about Pristine Construction. My wife and I were impressed from the start. Nathan and Mike listened to our needs and tried their very best to fulfill them. In my opinion, the crews and staff are the best in their field of expertise. Throughout the project, not only our 1950s-built house had kitchen upgrade, but also had other upgrades done. These other upgrades were done without sacrificing the timeline of the project. My family are all thrilled with the result of the project. I am proud and right in choosing Pristine Construction. I will choose them again on my next home improvement projects."
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+16

Response time7 hrs
7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for So Cal Builders & Design Inc
So Cal Builders & Design Inc
4.6(
311
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1982

Free estimates

Warranties offered

"Ultimately the work performed was high quality. When there were small finish issues, the team came back and fixed everything to ensure continuity with our existing home design. The timeline overran a bit, but the workmanship was great"
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

+563

35 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for KN Remodeling & Supplies Inc
KN Remodeling & Supplies Inc
4.8(
63
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"The KN Remodeling team did an excellent job at our home completely remodeling 3 bathrooms, painting our entire home and rebuilding a huge planter outside. We trusted them in our home while we are out of town almost the entire time. We hired them back to do additional work in our home that they did quickly and expertly. The team was professional, very friendly, worked quickly, quietly, cleanly, and I would highly recommend them."
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+48

Response time8 hrs
Response rate100%
4 neighbors recently requested a quote
Avatar for YB Builders Group Inc.
YB Builders Group Inc.
5.0(
14
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 2025

Free estimates

Credit card accepted

"We hired Ben to remodel our living room and kitchen, which included adding approximately 300 square feet, creating an open floor plan, and removing an enormous brick fireplace in the center of our house. From day one, Ben was amazing to work with. He was on budget, on schedule, professional throughout the entire project, and consistently anticipated potential issues before they became problems. His wealth of experience was incredibly valuable when it came to making decisions along the way, and he was always willing to offer thoughtful advice and guidance. His entire team was fantastic as well: professional, respectful, and clearly committed to doing quality work. We couldn’t be happier with the results and our experience working with Ben. We highly recommend Ben for any remodeling, building, or construction project!"
Bathroom Remodel
Master bathroom
Master bathroom
Master bedroom
Kitchen Remodel

+74

41 neighbors recently requested a quote
Avatar for Platinum Home Builders & Design, Inc.
Platinum Home Builders & Design, Inc.
5.0(
75
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 2020

Free estimates

Warranties offered

"I came to know about Platinum Home Builders from a friend. We were having our first child and wanted to have a specially prepared room for her. I was very impressed with their approach. I should say that I am very satisfied with their work."
DRIP EDGE FLASHINGS
SURE NAIL TECHNOLOGY SHINGLE BY OWEN'S CORNING
TITANIUM UDL 50 UNDERLAYMENT
INSTALLATION OF NEW COOL ROOF SHINGLES
SYNTHETIC ROOFING UNDERLAYMENT

+80

Response time11 hrs
Response rate93%
Recommended by88%of homeowners
Avatar for Trig Builders, Inc.
Trig Builders, Inc.
4.9(
37
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"Trig Builders is an excellent one-stop shop for mainly excellent design, great help in selecting final materials/accessories and mainly for any complete home remodeling. Our master bathroom and kitchen needed to be completely demolished and redesigned. Yossi met with us several times and by listening to us and to what we want to get, he was able to come up with a new concept that included all the ideas and goals of what we wanted to have and his design was very clean, modern while still be within our budget. Yossi also managed and handled all the orders and purchased of the materials and final accessories which caused us to write this review because this was an excellent service. The bathroom was gutted and after the demolition, Yossi and his guys discovered that the floor support beams were damaged so we had to replace them with new ones and to have the floor leveled before they could start the new construction. This problem caused the budget increased by a small cost (Yossi charged us only for the materials) for the overall budget. All the professional people that were involved in the work including the plumber, drywall man, electrician and tile man were excellent and skilled people that executed their part in a very high level of work results. They were very careful about all the cleaning aspect by dropping cloths, plastic wraps for the floors. The kitchen was completely redesigned and Yossi was able to include everything we wanted and needed. He went with us prior to the work and helped us purchasing all the materials appliances. The remodeling job was a week behind the original schedule because of the floor problem and due to few days when we had to leave the house for personal reasons on top of complications in getting the necessary inspections completed. We must mention here that any of the delays was not caused because of Trig Builders fault. We are very happy and satisfied with Yossi, the workers and all the skilled people and mainly Trig Builders as the company and we highly recommend them."
Addition in Diamond Bar
Addition in Diamond Bar
Addition in Diamond Bar
Addition in Diamond Bar
Addition in Diamond Bar

+15

Response time7 hrs
Recommended by87%of homeowners
Avatar for Imperial Remodeling Inc
Imperial Remodeling Inc
4.6(
128
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Fantastic. Not only is the end result superb but the process was as smooth and efficient as it could possibly have been. Gino consults you on everything, even after you’ve made the initial choice of cabinets, tile, countertop, scope of work, etc. He talks to you every day to update you. He has people working continuously, all organized so that no time is wasted. Once he started there was not a (week)day when his people weren’t working on my job, usually all day long. He has the work and teams organized and timed so that each one comes to your project as few days as possible, which reduces the cost. Gino is a stickler for detail, and getting everything exactly right, aesthetically and functionally, and the people he hires are very highly skilled with the same attitude. They’re also very clean. They sealed off the kitchen during the demolition so that the dust wouldn’t get to the rest of my open-plan condo. In construction they minimized particulate matter by doing all of the heavy cutting off-site. And they vacuumed the space every day before leaving! I’ve had contractors in several different cities and states and none came even close to this level of work, but it’s how remodeling should be! The price of my project was reasonable given the very high quality of the work, and the scope of work. Gino is very straight with you. The only costs that exceeded the estimate were due to my decisions to upgrade materials, or add a job to the project, and discovery of conditions in the existing structure that had to be upgraded (e.g., electrical). I’ve never been able to recommended a contractor before -- all the ones I’ve had have been so bad -- but I recommend Imperial Remodeling with two thumbs up."
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+185

Response time1 day
Recommended by89%of homeowners
Avatar for R Design, Inc.
R Design, Inc.
4.3(
31
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved

In business since 2007

Free estimates

Small jobs welcome

"I hired Ramy and his team to help me build out some closets. He was very communicative and easy to work with. The team showed up on time, collaborated with me on the design, worked fast, were very respectful of the home the whole time, and cleaned up nicely. Highly recommend R Design for any contract work!"
 Joining dining room to kitche
 Cabinets, granite counter, marble/granite floor
 Bath tub wall tiling
 Restaurant previous counter
 Marble

+193

Response time1 day
Response rate99%
18 neighbors recently requested a quote
Avatar for Eagle View Remodeling
Eagle View Remodeling
4.7(
89
)
Addition to Existing Structure - Build

Serving La Crescenta, CA and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 1989

Free estimates

Emergency services offered

"The initial price was good but we had to do a change order once the gutters were demo'd, and they did not replace 100% of what was existing as gutters with the price they gave me. There was an existing overhang on the front door that was removed and not replaced when I thought that was part of the contract. I paid more than what I planned but they did the work fast and good and on weekends. Communication was fine."
New Constraction
New Constraction
New Constraction
New Constraction
New Constraction

+145

Response time8 hrs
Response rate99%
64 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 Crescenta, 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
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FAQs for addition to existing structure building service projects in La Crescenta, 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 Crescenta, 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.