Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Simi Valley, 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 Simi Valley

Avatar for IND Construction, LLC.
IND Construction, LLC.
5.0(
89
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2009

Free estimates

Warranties offered

"My husband and I hired IND Construction for a stucco project on our home, and we could not be happier. From start to finish, we were treated with kindness and respect. Eran Zared and his team exceeded our expectations and demonstrated that they genuinely cared about the quality of their work and their customers. The texture and finish of the stucco are consistent and beautifully done, and their passion really shows in the final result. The project was completed ahead of schedule, at a reasonable price, without cutting corners. We look forward to choosing IND Construction for our future projects, as well. Thanks so much, job well done!"
Addition & Complete Transformation - Mid Century Modern - Slater Residence - Los Angeles
Addition & Complete Transformation Cape Cod - Ho Residence - Cheviot Hills
Complete Transformation - Contemporary - Togawa Residence - Sherman Oaks
Complete Transformation - Modern Tudor - Flynn Residence - Silver Lake
Exterior Transformation - Contemporary - Spec House - Venice

+756

11 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Trig Builders, Inc.
Trig Builders, Inc.
4.6(
8
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

In business since 2004

Free estimates

Warranties offered

"Their attention to detail, customer service, and quality of work were all top-notch. I would highly recommend this company for anyone looking to remodel their bathroom."
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 KN Remodeling & Supplies Inc
KN Remodeling & Supplies Inc
4.8(
40
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

In business since 2012

Free estimates

Warranties offered

"It went very well, thanks to Nathen and his workers. They cleaned up the trash everyday when they finished the work. The work was done in the time frame they gave me with no hold ups at any point. I already recommended to s friend of mine."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+48

Response time8 hrs
Response rate100%
11 neighbors recently requested a quote
Avatar for MNM Remodeling, Inc.
MNM Remodeling, Inc.
4.9(
88
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

In business since 1998

Free estimates

Emergency services offered

"Communication w/MNM remodeling is nearly impossible. 2 yrs ago, we had our roof redone by MNM. This year we decided to upgrade to Solar power, thought we should check if there was any problem doing that regarding the warranty on our roof replacement. We never received the written warranty for the roof replacement. 3/14 my husband left voicemail & emailed MNM production dept also texted the owner/Amir; he needed warranty info for the roof we had replaced. Via text 3/15 Amir said he would check when he's in the office 3/17. No response! My husband followed that with a voicemail & email; text to Amir 3/17 & 3/18. 3/18; he received a text from Amir he would check on it the next morning. That was the last he heard from anyone at MNM. We got the info by contacting the subcontractor of MNM who did the roof work. The lack of response is absurd & unacceptable for a paying customer who never received the written warranty. I can?t recommend this company."
LOUISE | Encino, CA
MAGNOLIA | Encino, CA
BULLOCK | Encino, CA
5350 RHEA
LOUISE | Encino, CA

+453

Response time6 hrs
Response rate98%
1 neighbors recently requested a quote
Avatar for Universal Home Design, Inc.
Universal Home Design, Inc.
4.9(
72
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"Universal Home Design, Inc. did a fantastic job. The remodeled bathroom looks like an upper class hotel room. The owner, Oury, expertly coordinated many different groups of people to get the general work done, the electricity wired, and the permitting process completed and approved. He kept us informed at every phase of the project. Oury is very knowledgeable and very personable. I will recommend Universal Home Design, Inc. to family and friends."
Bathroom remodel with pebble stone
Bathroom by Universal Home Design Inc.
roof project
Wood Deck project by Universal Home Design Inc.
New Master Bathroom

+376

Response time8 hrs
48 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for So Cal Builders & Design Inc
So Cal Builders & Design Inc
4.6(
228
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 1982

Free estimates

Warranties offered

".We had a major remodeling project and were honestly nervous before starting, but So Cal Builders & Design Inc made the entire process stress-free. They helped us with layout ideas, material selection, and kept everything organized. The crew showed up on time every day and worked efficiently. The final result looks modern and high-end. Very satisfied with their 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

65 neighbors recently requested a quote
Recommended by82%of homeowners
Avatar for Home Renew 360
Home Renew 360
4.9(
65
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

In business since 2010

Free estimates

Warranties offered

"Our experience working with Home Renew 360 was amazing! Our project manager Idan Mizrahi was nothing but helpful, knowledgeable, and readily available throughout the process of replacing our roof. He sat down and explained the entire process at length and addressed any of our concerns all the way through to the end of the project. We look forward to working with them for any future home remodeling needs."
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 Imperial Remodeling Inc
Imperial Remodeling Inc
4.9(
92
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"I recently completed a bathroom remodel with Imperial Remodeling Inc., and I am very happy with the results. The finished space looks modern, well-built, and thoughtfully done. Gino was professional, easy to work with, and attentive to details throughout the project. The work feels high quality, and the overall experience was smooth. I would recommend Imperial Remodeling Inc. to anyone looking for a reliable contractor."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+185

Response time1 day
1 neighbors recently requested a quote
Recommended by92%of homeowners
Avatar for AMERICAN PROFESSIONAL BUILDER'S INC
AMERICAN PROFESSIONAL BUILDER'S INC
5.0(
15
)

Serving Simi Valley, CA and surrounding areas

Angi Approved

Super Service Award Winner

In business since 2021

Free estimates

Emergency services offered

"We recently had our entire roof replaced, and we couldn?t be more pleased with the experience. From the initial inspection and estimate, they were professional, transparent, and incredibly knowledgeable. They clearly explained our options, materials, timeline, and pricing, with no pressure and no surprises. We felt confident we were making the right decision. The installation crew was punctual, hardworking, and respectful of our property. They protected our landscaping, kept the worksite tidy, and completed the project on schedule. The level of craftsmanship is outstanding?our new roof not only looks fantastic but gives us real peace of mind knowing it was done right. We were kept informed at every stage, and any questions we had were answered quickly and thoroughly. We highly recommend this company to anyone needing a roof replacement. Their professionalism, quality workmanship, and commitment to excellence made this a five-star experience."
Finished outdoor patio remodel.
Finished outdoor patio remodel.
Finished concrete patio.
Finished outdoor canopy.
Finished outdoor patio remodel.

+39

Response time5 hrs
Response rate97%
25 neighbors recently requested a quote
...
Showing 1-10 of 54
FAQs for addition to existing structure building service projects in Simi Valley, 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 Simi Valley, 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.