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Top-Rated Major renovation multiple room pros in Simi Valley - Updated Nov 2026

Avatar for KN Remodeling & Supplies Inc
KN Remodeling & Supplies Inc
4.8(
63
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2012

Free estimates

Warranties offered

"We interviewed many contractors for this job. In the end, it boiled down to the good rapport with Nathan. On the plus side, his work is beautiful and his workers always showed up as promised. He never quibbled about some concerns we had throughout. But, we were up sold some work, (which we likely needed anyway) but were under the gun to make a decision and had to haggle under those conditions. Also, he sometimes requires multiple messages to get a response. Overall, very, very pleased with results and recommend to anyone."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+48

Response time8 hrs
Response rate100%
5 neighbors recently requested a quote
Avatar for HA My Design, Inc.
HA My Design, Inc.
5.0(
379
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2011

Free estimates

Customers say: True professional

"Golan and his team at H&A My Design just completed a major project including dining room repair after mold damage, new lighting for living room and kitchen, flooring for entryway, painting of entire downstairs area and kitchen remodel. I am especially pleased with the efficiency of the kitchen and the beauty of the new cabinets. All the workers were professional and courteous. Attention to detail was high on their list."
After
Kitchen Remodel+Fireplace
Complete Home Renovation
Complete Kitchen Remodel
Complete Kitchen Remodel

+526

Response time1 day
Response rate100%
2 neighbors recently requested a quote
Avatar for Imperial Remodeling Inc
Imperial Remodeling Inc
4.6(
128
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"This is the third job Gino has done at our house. First was fireplace, flooring, and painting (see my review from August 2019). Next was the entire kitchen (see my review from August 2020), and now the master bathroom. We’ve been working with Gino for years now, and eventually he will have redone my entire house. What more can I say? Repeat customer several times says it all!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+185

Response time1 day
Recommended by89%of homeowners
Avatar for Universal Home Design, Inc.
Universal Home Design, Inc.
4.7(
84
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2002

Free estimates

Warranties offered

"Revised review: Here is a review for you: Ouri and his team were outstanding partners in renovating my home. The scope of work included removing load-bearing walls, repairing extensive dry rot and termite damage, building a brand new kitchen, installing new flooring, relocating a laundry room, new electrical and paint. Ouri is honest, kind, and completely on top of all scheduling. He was very good about explaining everything and was patient with all the change orders I had. Pricing was very fair. His team was professional and they are very hard workers. They were able to see my vision for the design and make it happen. I highly recommend working with Ouri and I will definitely be calling him again for any further work in the future."
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
35 neighbors recently requested a quote
Recommended by86%of homeowners
Avatar for Construction Masters
Construction Masters
4.7(
319
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

Super Service Award Winner

In business since 1988

Free estimates

Emergency services offered

"Construction Masters made my bathroom & laundry room renovation spiffy in less time than they anticipated, and it turned out beautifully. What a pleasure to deal with a contractor whose interest aligns with mine! Moshe & his team rock!"
Our Assorted Work
Our Assorted Work
Our Assorted Work
Our Assorted Work
Our Assorted Work

+51

Response time8 hrs
1 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Trig Builders, Inc.
Trig Builders, Inc.
4.9(
37
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2004

Free estimates

Warranties offered

"The team at Trig builders designed and remodeled the most stunning environment imaginable at our house. The quality of the materials that they used are top-notch and it’s the first thing that our guest see when they come over to visit. The custom made cabinets were made from a solid wood and custom stain and most of all, all the hardware is the most outstanding finish. For this whole remodeling to be high quality inside and out is exactly what we wanted to get in this remodeling. Besides writing about it, we can state that our meetings with Yossi prior the work and during the work was excellent as well. Yossi was very professional when it comes to work issues and his vision on solving problems is much higher then we imagined. The billing and pricing was pretty fair and the office staff that handled our project, were very nice and polite as well. We highly recommend them to anyone who is considering any type of remodeling."
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 Green Renovation Group, Inc.
Green Renovation Group, Inc.
4.6(
37
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

In business since 1981

Free estimates

Warranties offered

"We did our bathroom renovation through Green Renovation California that was a great experience they were always on time and did explain us every step of the way I highly recommend this company and we are very happy with the result the timing was actually very good in the bathroom looks like brand new they also made an additional room for us for storage and that was a great addition to my house"
Kitchen and Flooring
Kitchen and Flooring
Kitchen and Flooring
Kitchen and Flooring
Kitchen and Flooring

+45

Recommended by78%of homeowners
Avatar for Pine Tree Design & Construction, Inc.
Pine Tree Design & Construction, Inc.
5.0(
22
)
Major Renovation - Multiple Rooms

Serving Simi Valley, CA and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: Quality work

"I am very happy with the primary bathroom remodel Pine Tree Design and Construction completed for me. It was a gut remodel and they guided me through the process of selecting and ordering all the tile for the shower and floors as well as the countertop for the vanity. The cost of the project was fair compared to other contracting companies. Everyone working on the project, from the lead guy to the head electricians and plumbers were extremely thoughtful, skilled and honest. I would definitely work with them again when I'm ready to renovate my kitchen and other bathrooms."
Finish
Bathroom remodel
Kitchen
Bathroom remodel
Oxnard Bathroom

+339

Response time2 hrs
Response rate100%
Recommended by80%of homeowners
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FAQs for major renovation multiple room service projects in Simi Valley, CA

Gutting a house involves completely removing outdated elements, including drywall, insulation, and fixtures, to reveal the underlying structure. This process is not only ideal for a complete remodel but is also critical in emergency situations such as flood damage where compromised materials must be replaced immediately. Contractors follow OSHA-approved safety measures throughout the demolition to ensure a secure work environment. This method provides a fresh, safe canvas for any future renovation.

Gutting a house is a cost-efficient choice. Home renovations cost between $20,000 and $88,000 compared to the cost to build a new house of $122,500 to $411,500. The reduced cost stems from retaining the existing structural framework while updating the interior. Factors such as house size, material quality, and labor directly influence the total expenses, making a gut renovation a financially smart decision.

The cost of demoing an interior is worthwhile because gutting a house creates a completely safe and refreshed environment by removing toxic or damaged materials like asbestos, mold, and deteriorated components. Professional supervision ensures all hazards are properly managed and health and safety standards are met. This process revitalizes the home's interior and can increase its structural integrity and overall value.

Remodeling a bathroom costs between $6,640 and $17,600, with high-end remodels exceeding $30,000. The final price is directly influenced by the quality of fixtures and design features—modern tiling, advanced plumbing, and custom details all add to the definitive expense. By selecting superior materials and design elements, homeowners ensure both functionality and a remarkable aesthetic upgrade.

Kitchen renovations range from $14,500 to $41,500 when the original layout is maintained. However, changing the layout by removing load-bearing walls or upgrading to premium appliances directly escalates costs, often adding over $1,000 per modification. These precise enhancements reflect the high-quality standards and result in a transformative and efficient upgrade.

A full gut renovation typically spans between four months and a year and a half. This period accounts for the permitting process, material procurement, and the overall scale of the project. Every phase—from demolition through rebuilding—involves careful planning and execution to meet deadlines while ensuring the work adheres to safety and quality standards.

The Simi Valley, CA homeowners’ guide to major renovation multiple room services

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