How much do addition contractors typically cost?
- San Diego, California Average$88,581
- Typical Range$42,779 - $136,828
- Low End - High End$21,000 - $298,000
Compare Quotes from Addition Contractors
Get Quotes NowAddition Contractors in San Diego, CA
Where do you need Build an Addition pros?
How It Works
- Answer a few questions about your home project.
- Within seconds, get matched with top-rated local pros.
- Compare quotes and choose the best pro for the job.
Service Pros
In business since 1997
About us: "We are a reputable Architectural Design and Structural Engineering company that specializes in a variety of interior design and spatial planning projects. We take pride in our ability to exceed expectations in all aspects of business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction."
In business since 2021
About us: "Z-Tech Consulting Engineers L.L.C. is committed to excellence in every aspect of our business in the delivery of Architectural and Structural Engineering field. 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 and delivery of results. Accurate knowledge and expertise in the California Building Codes & City Government Municipal Codes combined with cutting edge utilizing technology tools give us the ability to serve our clients in the most professional and cost effective ways. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business."
GL
San Diego, CA·
Sod Installations, Lawn Maintance, Landscaping
"They know what they are doing!"
Alexey C. in May 2020
DK
San Francisco, CA·
Architect
"Great architect and in addition was immediately responsive to my needs and questions and did high quality work on our home project for a very good price. He was also extremely helpful in navigating the permitting process in San Francisco which I could not have done without his help. I would highly recommend him."
carol W. in December 2022
MA
In business since 2013
San Diego, CA·
Residential & Commercial, Architect/ Design Specialist
About us: "We're a reputable architectural design company that specializes in a variety of interior design and spatial planning projects. We take pride in our ability to exceed expectations in all aspects of business. We look forward to building long-term relationships with our clients, and guarantee your satisfaction."
Carlsbad, CA·
Religious Architecture & Bank Facilities, Commercial & Institutional Architecture, Major Home Remodels (1200 sf or greater) , and 2 more
"Rick Kaufman is creative, a joy to work with, reasonably priced, and professional. I will use him again and recommend him."
barbara T. in March 2010
Escondido, CA·
Additions, Outdoor Living, Whole House Remodels , and 2 more
"Jim is a great guy to work with!!! He was very understanding and responsive to all my questions and concerns. He oversaw the entire operation of removing a wall to open up the living area. This encompassed general demo and construction, electrical, resurfacing, matching texture and repainting. Followed by some special hardwood floor detail work. His team of workers are always excellent and considerate of us and our home. You will not be disappointed! It is very difficult to try and choose a contractor and I feel lucky to have found him!!"
Melody M. in November 2021
La Jolla, CA·
Residential Architecture and Design, Commercial Architecture and Design
"Professional and friendly!"
peter W. in February 2018
San Diego, CA·
New Builds, Kitchens, Additions , and 2 more
"Very responsive and flexible. Does quality work In a timely manner."
John M. in March 2022
Showing 1-9 of 60 results
Costs for related projects in San Diego, CA
- Build a Barn, Shed or Playhouse$3,487 - $6,200
- Build an Addition$42,779 - $136,828
- Demo an Interior$2,750 - $11,250
- Perform Home Renovations and Repairs$8,866 - $44,000
- Remodel or Renovate a House$29,871 - $115,927
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.
Related Projects in San Diego, CA
HomeAdvisor Community Rating
Overall Rating:
San Diego Addition & Remodeling Contractors are rated 4.9 out of 5 based on 430 reviews of 430 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.
Other Top Projects in Your Area
Other Cities in California
If you're looking for Build an Addition Contractors that serve a different city in California, here are some popular suggestions:
Find Build an Addition Pros in San Diego, CA
Find Pros Nearby
Things to Consider Before You Build an Addition:
What best describes this project?
What kind of addition do you want?
Select the rooms included in this project:
- Bathroom
- Kitchen
- Bedroom(s)
- Garage/Workshop
- Living/Family room
- Laundry/Mud room
- Deck/Porch
- Basement
- Office(s)
- Common area(s)
Do you provide these professional services?
Find out how HomeAdvisor can help your business
See Recent Leads
Recent Job Requests for Addition & Remodeling Contractors in San Diego, CA
NewProject Location: San Diego, CA Date: 05/25/23Type of Addition: Ground level additionRequest Stage: Ready to HireDesired Completion Date: Timing is flexibleRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Design and buildRooms Included:: BathroomRooms Included:: Bedroom(s)Comment: I would like to get an estimate for Planning an est. 1800 ft. 2 stories Home addition. Two 2 bedrooms 1bath on top of the other.NewProject Location: San Diego, CA Date: 05/25/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireType of Addition: Second story additionRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Build - Use existing architectural drawingsRooms Included:: Bedroom(s)NewProject Location: San Diego, CA Date: 05/24/23Desired Completion Date: Less than 2 monthsRequest Stage: Ready to HireProject Description: Build - Use existing architectural drawingsNewProject Location: San Diego, CA Date: 05/24/23Desired Completion Date: Less than 2 monthsRequest Stage: Planning & BudgetingProject Description: Build - Use existing architectural drawingsComment: We want to add a bathroom to our house. We will be adding square footage to the house. We have plans drawn up by a professional and permits are ready to be submitted by the company who drew up the plans. The project also includes rebuilding a closet, replacing an electrical panel and adding a charging station for an electrical car.NewProject Location: San Diego, CA Date: 05/23/23Desired Completion Date: Less than 2 monthsRequest Stage: Ready to HireType of Addition: Ground level additionRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Build - Use existing architectural drawingsRooms Included:: KitchenRooms Included:: Bedroom(s)Rooms Included:: Living/Family roomRooms Included:: BathroomRooms Included:: Deck/PorchRooms Included:: Garage/WorkshopRooms Included:: Laundry/Mud roomComment: Our project includes a garage conversion into an ADU and a small addition to fill in the breezeway between house and garage.NewProject Location: San Diego, CA Date: 05/23/23Request Stage: Ready to HireProject Description: Build - Use existing architectural drawingsDesired Completion Date: Less than 2 monthsComment: Customer did not provide additional comments. Please contact the customer to discuss the details of this project.NewProject Location: San Diego, CA Date: 05/22/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Design and buildWhat type of second floor addition will this be?: Partial AdditionRooms Included:: Bedroom(s)Rooms Included:: BathroomComment: I like to build second story about 1000 sq foot. upgrade to my existing 2000 sq foot homeNewProject Location: San Diego, CA Date: 05/22/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject Description: Design and buildComment: Need to add a second story addition with elevator accessNewProject Location: San Diego, CA Date: 05/21/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingType of Addition: Remodel existing spaceRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Design and buildRooms Included:: Bedroom(s)Rooms Included:: Living/Family roomNewProject Location: San Diego, CA Date: 05/20/23Desired Completion Date: More than 2 monthsRequest Stage: Ready to HireProject Description: Design and buildProject Location: San Diego, CA Date: 05/19/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject Description: Design and buildProject Location: San Diego, CA Date: 05/19/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingProject Description: Design and buildComment: We're looking to add an addition onto my mother's house that would fit me, my wife, my daughter and potentially 1 more kid. Probably something like 2 beds 1 bathProject Location: San Diego, CA Date: 05/18/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingType of Addition: Second story additionRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Design and buildRooms Included:: Bedroom(s)Rooms Included:: BathroomComment: We want to build an addition over the existing two car garage.Project Location: San Diego, CA Date: 05/17/23Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingProject Description: Design and buildComment: Large, 8 ft window replacement. Refurbishment of current patio surface with a hard surfaced 10'x12' patio cover installed.Project Location: San Diego, CA Date: 05/17/23Desired Completion Date: More than 2 monthsRequest Stage: Planning & BudgetingProject Description: Build - Use existing architectural drawingsComment: Planning an est. 1800 ft. 2 stories Home addition. Two 2 bedrooms 1bath on top of the other.Project Location: San Diego, CA Date: 05/16/23Desired Completion Date: Less than 2 monthsRequest Stage: Planning & BudgetingRequires Work on Historical Structure: NoRequest for Commercial Location: NoProject Description: Design and buildWhat type of second floor addition will this be?: Full additionRooms Included:: KitchenRooms Included:: Bedroom(s)Rooms Included:: BathroomProject Location: San Diego, CA Date: 05/16/23Desired Completion Date: Timing is flexibleRequest Stage: Ready to HireProject Description: Design and buildComment: Home 3 bedrooms, 2 bathrooms kitchen, living room and laundryProject Location: San Diego, CA Date: 05/16/23Desired Completion Date: Less than 2 monthsRequest Stage: Planning & BudgetingProject Description: Build - Use existing architectural drawingsComment: Need to build an ADU. Permitting is almost done.Project Location: San Diego, CA Date: 05/16/23Reason for Cable: 1Desired Completion Date: Timing is flexibleRequest Stage: Planning & BudgetingProject Description: Build - Use existing architectural drawingsComment: Adding 233 square feet of a bathroom and closets
