How much do addition & remodeling contractors typically cost?
- Castro Valley, California Average$19,657
- Typical Range$6,558 - $23,800
- Low End - High End$5,200 - $45,000
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Top Addition & Remodeling Contractors in Castro Valley, CA
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Featured Service Pros
In business since 2015
About us: "We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business."
MJ
San Mateo, CA·
Burlingame, CA·
Areas Of Expertise: Additions and Remodels
"All work was done as promised on time and as requested. Everyone I dealt with from our salesman to our installers were super friendly and had our best interest in mind. The finished product is stunning and was done at a great price. You can't beat these guys, they're simply the best. Jeff our project manager and Steve the owner were always around checking the work. Roberto and Pedro, were very friendly, and super knowledgeable in all aspects of the construction. Don, our salesman, made a lot of promises, and all of them were kept. Thank you Don, Steve, Roberto, Pedro, and Jeff . See you guys soon for the addition of our second bathroom!!"
Gaetano A. in October 2019
Service Pros
Hayward, CA·
Areas Of Expertise: Tile
"Great attention to detail , shows up on time very clean , would highly recommend there team"
Gilbert C. in May 2022
Fremont, CA·
Areas Of Expertise: Kitchen Remodel, Bathroom Remodel, Full house remodel , and 7 more
"It was great to hire Construction & More for our bathroom remodel. We wanted to convert our old tub shower to walk in shower with a bench and recessed box for shampoo. They helped me with materials selection and created 3d design for my bathroom They did it in 3 weeks and left my place clean Thank you Joseph and Avi"
Doron D. in December 2022
Novato, CA·
Areas Of Expertise: Carpentry, Electrician, Plumbing , and 1 more
"Leo and his crew were wonderful. We had flooding which destroyed most of the drywall, it was a mess. Leo gave me a very reasonable quote, and the eork was completed to perfection, not a seam shows! I look forward to hiring Andes construction for a kitchen remodel."
Susan G. in March 2023
ES
Oakland, CA·
Areas Of Expertise: Additions and Remodels
"The kitchen remodelers I hired were great to work with. They offered creative solutions to design challenges and delivered a beautiful end result."
Brandon D. in March 2023
BB
San Leandro, CA·
Areas Of Expertise: Remodels
"Amazing services at reasonable prices. Shai and his team were such wonderful people and extremely helpful in every little detail imaginable. Our garden looks better now with their help putting in all the pavers. We could have not managed this small project without their help."
Christian P G. in December 2021
CC
In business since 2018
Santa Clara, CA·
Areas Of Expertise: Additions and Remodels
About us: "Cosmo Construction Inc is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business."
PC
Lancaster, CA·
Areas Of Expertise: Synthetic Turf, Masonry, Concrete Pavers
"The basement remodel service I hired had a great eye for design and was able to incorporate unique elements like a built-in bar and a hidden bookcase door that added both functionality and style to the space."
Carlito K. in March 2023
Campbell, CA·
Areas Of Expertise: Home Additions, New Home Construction, General Contractor , and 2 more
"I was amazed by their professionalism, responsiveness, and ability to transform my kitchen exactly how I dreamed. I would highly recommend them. I had an amazing experience with this business."
Kelly W. in February 2023
HR
San Leandro, CA·
Areas Of Expertise: Remodeling
"The kitchen remodeling service I worked with was fantastic. They provided excellent customer service, took the time to understand my needs, and delivered a beautiful end result."
Silas S. in March 2023
GC
Brentwood, CA·
Areas Of Expertise: New Home Construction, Outbuildings & Structures, Addition to Existing Structure - Build ,Major Renovation - Multiple Rooms , and 1 more
"Project was on time and on budget. Good communications between all parties ie. designer, engineers, subcontractors etc. Able to deal with changes on the fly. Dave Anderson always returned calls. Forty year old house was enlarged rebuilt like new. Very happy!"
David A. in August 2008
ZG
In business since 1999
San Leandro, CA·
Areas Of Expertise: ADU/Additions/Remodeling, Custom Home Building, Framing , and 2 more
About us: "We offer over 20 years of industry experience and will provide you with an unmatched level of experience and commitment to your home improvement project. We have earned a solid reputation for a variety of residential home improvement and repair projects to include home building and many other projects. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building long-term relationships with our clients and guarantee your satisfaction. References are available upon request. Give us a call today, and lets get started."
Concord, CA·
Areas Of Expertise: Handy men services, Fire/smoke/water damage remediation and repairs., Complete Home Remodeling & Financing , and 6 more
"Very professional, and respectful. Very good coordination to get things done."
Carol H. in August 2022
San Jose, CA·
Areas Of Expertise: Renovations, Landscaping, Roofing , and 1 more
"The best decision me and my husband ever did! Highly recommended! Very professional!!! always was available for us with the best vibes and a smile! Now our garage looks just like we dreamed! Thank you so much."
Talia Z. in December 2022
Riverbank, CA·
Areas Of Expertise: Concrete Work/ Pavers, Landscape -Design /Install/ Remodel, Outdoor kitchens, out living, xeriscape, Decks-Pergola/ Fence , and 2 more
"Great communication, very professional and I feel I received excellent advice on how to deal with the hillside that was pushing against the fence, voila I now have a concrete retaining wall to guard against the natural movement of the earth in addition to a beautifully crafted redwood fence. The new gate reflects a true craftsman. Ron George got the job done ahead of schedule too! I would highly recommend Babylon Gardens."
Peggy S. in July 2018
Alameda, CA·
Areas Of Expertise: ADDITIONS AND REMODELS
"Amazing services at reasonable prices. Shai and his team were such wonderful people and extremely helpful in every little detail imaginable. Our garden looks better now with their help putting in all the pavers. We could have not managed this small project without their help."
Christian P G. in December 2021
ID
San Francisco, CA·
Areas Of Expertise: Bathroom Remodel, HVAC
"Thus company really cares about their customers and doing good work at fair prices. Adam goes the extra mile to make sure things are going well."
Chris R. in July 2017
IF
In business since 2018
Fremont, CA·
Areas Of Expertise: Custom Builds, Carpentry, Additions
About us: "Here at Integrity Integrity First Construction, Inc. we are a full service licensed contracting company who prides themselves on their work. No project is too large or small for us and we are a company filled with great craftsman and will always keep our projects running on time and under budget. Call now for a free estimate."
Areas Of Expertise: Remodeling
"Angel is a perfectionist and really good to work with. They kept constant communication to make sure there were no misunderstandings. Their work is remarkable. Very happy with the job that they did."
Diane L. in August 2022
HD
In business since 2021
Hayward, CA·
Areas Of Expertise: Electrical, Recovery Service, Roofing , and 1 more
About us: "At High Demand Construction we pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!"
Walnut Creek, CA·
Areas Of Expertise: Concrete and Masonry, Decks and Railings, Additions and Remodels , and 1 more
"Gpi Builders helped us with a 500 sqft home addition including a new den and a laundry room. Jonathan and the team were amazing!! They did an outstanding job. I would HIGHLY recommend Gpi Builders for any remodeling you may need."
Jennifer A. in April 2021
CL
Livermore, CA·
Areas Of Expertise: Masonry, Water Features and Ponds, Concrete , and 2 more
"Right on time, the front porch "UPS Wall" is beautiful. Best price, fast work, perfect workmanship. Will call them the next time I need masonry."
Ralph F. in March 2021
SH
In business since 1893
HQ'd in Hoffman Estates, IL·
Areas Of Expertise: Bathroom Remodels
About us: "Transform Home Improvements has been helping homeowners turn their improvement dreams into reality for more than 20 years. We provide a complete remodel solution, from selecting and ordering materials to installation and beyond with expert, dedicated support every step of the way. Need a complete overhaul or just updating your shower or vanity? With our robust financing options* and a full catalog of material selections to meet every budget, schedule your no-obligation in-home consult to see just how affordable your dream bathroom can be. Every project comes with our satisfaction guarantee and applicable multi-year warranties. Make this your easiest improvement project yet with Transform Home Improvements."
Showing 1-25 of 45 results
Out of Network Addition & Remodeling Contractors in Castro Valley, CA
- Area Construction
2061 Echo Place
San Ramon, CA 94582
- HP Construction Services
9000 Crow Canyon Road, Suite 213
Danville, CA 94506
- Pete Radovich Construction
4479 Belmont Way
Castro Valley, CA 94546
- Topnotch Builders
8055 Collins Dr
Oakland, CA 94602
- Reynolds - Sebastiani Design Services
1140 YORK ST
San Francisco, CA 94110
- Equisolar, Inc.
17514 Ventura Blvd
Ste. 103
Encino, CA 91316
- Roberts Construction
395 Beverly Ave.
San Leandro, CA 94577
- Crinnion Construction
1417 Murwood Drive
Walnut Creek, CA 94596
- Prime Development Corporation
15068 Rosecrans Ave. , #215
La Mirada, CA 90638
- Seven Bridges Construction
317 Eda Drive
Pacheco, CA 94553
Costs for related projects in Castro Valley, CA
- Refinish a Bathtub$0 - $525
- Remodel a Bathroom$6,558 - $23,800
Frequently asked questions
- It’s important that you verify their license is still in good standing. Also keep in mind that certain states or provinces don’t require licensing if the job is under a certain dollar amount.
- You can find a list of your state’s licensing requirements on the HomeAdvisor website. Before you get to work with the pro, make sure their qualifications are current and acceptable to you.
- It is always a good idea to get a copy of the pro’s insurance certificate for future records, and in case anything happens. This is a good way to feel more secure in your home project, and to weed out potential scammers.
HomeAdvisor makes it easy to connect with pros near you. You can read reviews, get quotes and book appointments all in one place.
Depending on the type of project, you may find subtle differences in the hiring process. Here’s a look at task-specific advice.
You can use HomeAdvisor to help evaluate a contractor’s qualifications. We put pros through a screening process, and award badges to high-performing contractors. You can find these badges on a pro’s HomeAdvisor profile, and sometimes, his or her website.
Your research doesn’t stop here. Once you’ve found a few prospective companies, make an call to ask a few questions about work history, licensure and more:
- Have you completed a job like this before?
- Do you have a list of references I can contact?
- When are you able to start the job?
In most cases, the responses you get to these three questions will give you a very good idea of the right pro for your project. If you have more than one front-runner, these additional questions can help you narrow it down.
- How many years of experience do you have?
- What’s your permanent business address?
- Are you licensed to work in my area?
- When did you earn your business license?
- How do you handle warranty service complaints?
- Do you have worker’s compensation, property damage and personal liability insurance?
Any good contractor will answer these questions, and most will appreciate dealing with a client that takes such an active interest in finding good service. On the other hand, if a contractor gives you a hard time with these questions, you probably want to find someone else.
Top Additions & Remodeling Projects
HomeAdvisor Community Rating
Overall Rating:
Castro Valley Addition & Remodeling Contractors are rated 4.8 out of 5 based on 819 reviews of 45 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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Recent Job Requests for Addition & Remodeling Contractors in Castro Valley, CA
NewProject: Kitchen Remodel Location: Castro Valley, CADate: 03/30/23Appliances: No - I do not plan to move or update the appliancesDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingCountertops: No - I do not plan to update the countertopsSinks: No - I do not plan to update the sinksFlooring: Yes - I plan to update the flooringLighting: No - I do not plan to update the lightingLocation: Home/ResidenceFloorplan: I plan to maintain existing kitchen floorplanCabinets: No - I do not plan to move or update the cabinetsNewProject: Bathroom Remodel Location: Castro Valley, CADate: 03/29/23Extensiveness of Remodel: I plan to maintain existing bathroom floorplanDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: Shower / BathWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: SinksWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: Cabinets / VanityWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: FlooringWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: CountertopsNewProject: Major Home Repairs Location: Castro Valley, CADate: 03/27/23Work included: OtherWork included: PaintingRequest Stage: Planning & BudgetingDesired Completion Date: Timing is flexibleProject Description: Major home repair projectComment: I would like to get an estimate for remodeling of my kitchen and my 3 bathrooms. And painting the interior house. I like this done 2-3 months from now.NewProject: Major Home Repairs Location: Castro Valley, CADate: 03/27/23Desired Completion Date: Less than 2 monthsRequest Stage: Ready to HireProject Description: Major home repair projectWork included: DrywallWork included: PlumbingWork included: FlooringWork included: Doors and windowsNewProject: Kitchen Remodel Location: Castro Valley, CADate: 03/27/23Desired Completion Date: Less than 2 monthsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CountertopsFloorplan: I am considering changes to kitchen floorplanLocation: Home/ResidenceWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CabinetsRequest Stage: Planning & BudgetingWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: FlooringWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: ElectricalWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: AppliancesNewProject: Major Home Repairs Location: Castro Valley, CADate: 03/26/23Desired Completion Date: More than 2 monthsRequest Stage: Ready to HireProject Description: Major home repair projectComment: Possible tear down the house and rebuildNewProject: Major Home Repairs Location: Castro Valley, CADate: 03/26/23Desired Completion Date: More than 2 monthsRequest Stage: Planning & BudgetingProject Description: Major renovationWork included: DrywallWork included: PlumbingWork included: SidingWork included: Heating and coolingWork included: FlooringWork included: CountertopsWork included: Doors and windowsWork included: PaintingWork included: TileWork included: FoundationWork included: ElectricalWork included: Carpentry-finishWork included: CabinetsNewProject: Build an Addition Location: Castro Valley, CADate: 03/25/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject Description: Design and buildComment: Build an in-law apartment off the garageProject: Major Renovation - Multiple Rooms Location: Castro Valley, CADate: 03/23/23Request Stage: Planning & BudgetingDesired Completion Date: Timing is flexibleDo you need temporary storage for your home project?: NoLocation: Home/ResidenceRooms to be Remodeled: Bathroom(s)Rooms to be Remodeled: Bedroom(s)Rooms to be Remodeled: Dining roomRooms to be Remodeled: Family roomRooms to be Remodeled: KitchenRooms to be Remodeled: Laundry roomRooms to be Remodeled: Living roomNature of project: Remodel / update the entire homeComment: I would like to get an estimate for Try to buy a old house, looks like all need to be remodel.1400sq ftProject: Kitchen Remodel Location: Castro Valley, CADate: 03/21/23Appliances: No - I do not plan to move or update the appliancesDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingCountertops: No - I do not plan to update the countertopsSinks: No - I do not plan to update the sinksFlooring: Yes - I plan to update the flooringLighting: No - I do not plan to update the lightingLocation: Home/ResidenceFloorplan: I plan to maintain existing kitchen floorplanCabinets: No - I do not plan to move or update the cabinetsProject: Bathroom Remodel Location: Castro Valley, CADate: 03/21/23Extensiveness of Remodel: I plan to maintain existing bathroom floorplanDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: Shower / BathWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: Cabinets / VanityWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: FlooringWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: ToiletComment: Replacing old bathroom with all new fixturesProject: Garage Remodel Location: Castro Valley, CADate: 03/19/23Scope of Remodel: Completely remodel garageDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: FlooringWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: Storage cabinets / shelvingWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: InsulationWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: ElectricalWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: Garage doorsWhich of the following will you need moved or installed in your garage remodel (select all that apply)?: Interior walls or drywallProject: Major Renovation - Multiple Rooms Location: Castro Valley, CADate: 03/19/23Location: Home/ResidenceDesired Completion Date: Less than 2 monthsRequest Stage: Planning & BudgetingRooms to be Remodeled: Bathroom(s)Rooms to be Remodeled: GarageRooms to be Remodeled: Dining roomRooms to be Remodeled: Living roomRooms to be Remodeled: Family roomNature of project: Remodel / update the entire homeRooms to be Remodeled: KitchenRooms to be Remodeled: Laundry roomRooms to be Remodeled: Bedroom(s)Project: Kitchen Remodel Location: Castro Valley, CADate: 03/18/23Floorplan: I plan to maintain existing kitchen floorplanLocation: Home/ResidenceDesired Completion Date: Timing is flexibleRequest Stage: Ready to HireWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CabinetsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: ElectricalWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: SinksWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: AppliancesWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CountertopsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: FlooringComment: Not quite sureProject: Kitchen Remodel Location: Castro Valley, CADate: 03/17/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingCountertops: No - I do not plan to update the countertopsSinks: No - I do not plan to update the sinksFlooring: No - I do not plan to update the flooringLighting: No - I do not plan to update the lightingLocation: Home/ResidenceFloorplan: I plan to maintain existing kitchen floorplanCabinets: No - I do not plan to move or update the cabinetsProject: Kitchen Remodel Location: Castro Valley, CADate: 03/17/23Request Stage: Ready to HireDesired Completion Date: Timing is flexibleLocation: Home/ResidenceFloorplan: I plan to maintain existing kitchen floorplanWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CabinetsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CountertopsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: ElectricalWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: FlooringComment: I would like to get an estimate for remodeling my kitchen, extending, and installing cabinets, countertops and flooring.Project: Bathroom Remodel Location: Castro Valley, CADate: 03/16/23Extensiveness of Remodel: I plan to maintain existing bathroom floorplanDesired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: SinksWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: Cabinets / VanityWhich of the following will you need moved or installed in your bathroom remodel (select all that apply)?: CountertopsProject: Kitchen Remodel Location: Castro Valley, CADate: 03/14/23Floorplan: I am considering changes to kitchen floorplanLocation: Home/ResidenceDesired Completion Date: Less than 2 monthsRequest Stage: Ready to HireWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: CabinetsWhich of the following will you need moved or installed in your kitchen remodel (select all that apply)?: Appliances
