Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in your area

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.

Addition to existing structure builders in Ranchita

Avatar for Prosper Construction Development, Inc.
Prosper Construction Development, Inc.
180 Steuart St., Box 194631
4.88(
38
)
Approved Pro
Prosper Construction Development, Inc.
180 Steuart St., Box 194631
4.88(
38
)
Approved Pro
Customers say: Quick response
Recommended by 97% of Angi customers
Recommended by 97% of HomeAdvisor customers
231 local quotes requested

We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"Fast response and clear communication throughout the process."

Marco T on April 2025

We are a locally owned and operated company that values honesty and integrity, and treats your home as if it were our own. We offer a variety of services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships, and guarantee your satisfaction!

"Fast response and clear communication throughout the process."

Marco T on April 2025


Avatar for CoastDesign & Build, Inc.
CoastDesign & Build, Inc.
6602 El Cajon Blvd Suite #D
New on HomeAdvisorNew on Angi
Approved Pro
CoastDesign & Build, Inc.
6602 El Cajon Blvd Suite #D
New on AngiNew on HomeAdvisor
Approved Pro
246 local quotes requested
22 years of experience

Coastdesign & Build is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 5 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Coastdesign & Build is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 5 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!


RSF Construction Inc.
6910 Monte Verde Drive
New on HomeAdvisorNew on Angi
Approved Pro
RSF Construction Inc.
6910 Monte Verde Drive
New on AngiNew on HomeAdvisor
Approved Pro
218 local quotes requested
6 years of experience

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!

RSF Construction Inc. is a leader in providing our customers with the highest quality service in an honest, efficient, and professional way. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations. We look forward to working with you!


Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
23445 Haynes Street
4.29(
19
)
Approved Pro
McCormick Home Builders, Inc.
23445 Haynes Street
4.29(
19
)
Approved Pro
Customers say: True professional
232 local quotes requested
8 years of experience

MCCORMICK HOME BUILDERS INC We're a locally owned and operated company that values honesty and integrity and treats your home or business as if it were our own. We are experts in all aspects of roofing projects and our services are customizable to each individual project. We specialize in both installations and replacements. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Mike was our representative. Mike was our representative and everything he said there was to be done. They did absolutely wonderful and Mike was a really really good guy and thank you for that. I am very pleased and what they did and all the cleanup was done absolutely great thank you so much for the workmanship and all the people that you have working for you what they did for me was very professional very nice thank you again."

Barbara R on June 2025

MCCORMICK HOME BUILDERS INC We're a locally owned and operated company that values honesty and integrity and treats your home or business as if it were our own. We are experts in all aspects of roofing projects and our services are customizable to each individual project. We specialize in both installations and replacements. We pride ourselves on the quality of our work as well as our commitment to outstanding results. We look forward to building lasting relationships and guarantee your satisfaction!

"Mike was our representative. Mike was our representative and everything he said there was to be done. They did absolutely wonderful and Mike was a really really good guy and thank you for that. I am very pleased and what they did and all the cleanup was done absolutely great thank you so much for the workmanship and all the people that you have working for you what they did for me was very professional very nice thank you again."

Barbara R on June 2025


Avatar for PBH Builders
PBH Builders
4715 30TH ST
5.00(
1
)
Approved Pro
PBH Builders
4715 30TH ST
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
2625 local quotes requested

Welcome to PBH Builders, where we bring expertise, reliability, and a passion for excellence to every home improvement project. With our extensive experience in the industry, we have built a reputation as the go-to remodeling company in San Diego. We understand that your home is not just a structure, but a reflection of your lifestyle and aspirations. That's why our dedicated team of professionals is committed to delivering outstanding craftsmanship and exceptional service from start to finish. Whether you're looking to renovate your kitchen, revitalize your bathroom, or enhance your roofing, our skilled technicians and designers will work closely with you to create a space that exceeds your expectations. What sets us apart is our unwavering commitment to customer satisfaction. We believe that every project, regardless of size, deserves our utmost attention and care. From the initial consultation to the final walkthrough, we listen to your needs, provide expert guidance, and ensure that every detail is executed to perfection. Our goal is to make the entire remodeling process seamless and enjoyable, ensuring that you are delighted with the end result. Reliability is at the core of our values. We understand the importance of delivering projects on time and within budget. With our efficient project management, attention to detail, and use of high-quality materials, we guarantee durable and long-lasting results that stand the test of time. Our commitment to sustainability also means that we strive to incorporate eco-friendly practices and materials whenever possible, minimizing our impact on the environment while creating a healthier home for you and your loved ones.

"The walkway and driveway turned out amazing. They took care of all issues that came up along the way."

Jan S on July 2024

Welcome to PBH Builders, where we bring expertise, reliability, and a passion for excellence to every home improvement project. With our extensive experience in the industry, we have built a reputation as the go-to remodeling company in San Diego. We understand that your home is not just a structure, but a reflection of your lifestyle and aspirations. That's why our dedicated team of professionals is committed to delivering outstanding craftsmanship and exceptional service from start to finish. Whether you're looking to renovate your kitchen, revitalize your bathroom, or enhance your roofing, our skilled technicians and designers will work closely with you to create a space that exceeds your expectations. What sets us apart is our unwavering commitment to customer satisfaction. We believe that every project, regardless of size, deserves our utmost attention and care. From the initial consultation to the final walkthrough, we listen to your needs, provide expert guidance, and ensure that every detail is executed to perfection. Our goal is to make the entire remodeling process seamless and enjoyable, ensuring that you are delighted with the end result. Reliability is at the core of our values. We understand the importance of delivering projects on time and within budget. With our efficient project management, attention to detail, and use of high-quality materials, we guarantee durable and long-lasting results that stand the test of time. Our commitment to sustainability also means that we strive to incorporate eco-friendly practices and materials whenever possible, minimizing our impact on the environment while creating a healthier home for you and your loved ones.

"The walkway and driveway turned out amazing. They took care of all issues that came up along the way."

Jan S on July 2024


Avatar for R.M. Design and Development
R.M. Design and Development
5.00(
4
)
Approved Pro
R.M. Design and Development
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
1961 local quotes requested

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"When we decided to update and refresh our condo in the Marina District, we got bids from several contractors. We felt that Luis, from R. M. Design, best understood our vision, his bid was reasonable, and his timeframe for starting the work coincided with our schedule. We very much appreciated that throughout the process Luis listened to our ideas while also giving us his expert advice. We know what we like, but he has a good eye and lots of experience. We know that his input and suggestions greatly improved the outcome of our project. We have always loved our place, but now we love it so much more. Also, Luis and his crew worked very well with our HOA association which has several rules and regulations regarding contractors and improvements. We had no complaints from the HOA nor our neighbors. That was much appreciated by us."

Susan P on February 2025

We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!

"When we decided to update and refresh our condo in the Marina District, we got bids from several contractors. We felt that Luis, from R. M. Design, best understood our vision, his bid was reasonable, and his timeframe for starting the work coincided with our schedule. We very much appreciated that throughout the process Luis listened to our ideas while also giving us his expert advice. We know what we like, but he has a good eye and lots of experience. We know that his input and suggestions greatly improved the outcome of our project. We have always loved our place, but now we love it so much more. Also, Luis and his crew worked very well with our HOA association which has several rules and regulations regarding contractors and improvements. We had no complaints from the HOA nor our neighbors. That was much appreciated by us."

Susan P on February 2025


Avatar for Golden Temple Builders Inc
Golden Temple Builders Inc
5.00(
8
)
Approved Pro
Golden Temple Builders Inc
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
7597 local quotes requested

We are custom home builders for single-family homes, multi-family, modular and backyard ADU's building in Florida, Texas, California and the Caribbean. Building new homes from a 200 sqft ADU to a 15,000 sq ft custom home and beyond

"Nick and his team were amazing they spent the time with all the little details. All the work was above standards. I highly recommend them for services"

Brian A on May 2025

We are custom home builders for single-family homes, multi-family, modular and backyard ADU's building in Florida, Texas, California and the Caribbean. Building new homes from a 200 sqft ADU to a 15,000 sq ft custom home and beyond

"Nick and his team were amazing they spent the time with all the little details. All the work was above standards. I highly recommend them for services"

Brian A on May 2025


R & M POOL & SPA SVC
506 W MISSION AVE
No reviews
R & M POOL & SPA SVC
506 W MISSION AVE
No reviews

William Joyce Design
1404 Tyler Ave
5.00(
3
)
William Joyce Design
1404 Tyler Ave
5.00(
3
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

William Joyce Design is a Landscape Architecture firm dedicated to creating imaginative, functional, & attractive landscapes that elicit lasting responses & are intrinsic to the local environmental conditions. As each site poses its own questions & offers its unique subtleties, we use our own broad-reaching cultural experiences & expansive education to embrace natural systems, feed our imagination, & reinforce the instincts of our designs. By committing to stewardship of the land, responsible use of natural resources, incorporation of local materials & native plants, & appreciation of the physical interaction with the landscape, William Joyce Design seeks uncontrived, natural solutions designed to generate discovery, splendor, & balance.

William Joyce Design is a Landscape Architecture firm dedicated to creating imaginative, functional, & attractive landscapes that elicit lasting responses & are intrinsic to the local environmental conditions. As each site poses its own questions & offers its unique subtleties, we use our own broad-reaching cultural experiences & expansive education to embrace natural systems, feed our imagination, & reinforce the instincts of our designs. By committing to stewardship of the land, responsible use of natural resources, incorporation of local materials & native plants, & appreciation of the physical interaction with the landscape, William Joyce Design seeks uncontrived, natural solutions designed to generate discovery, splendor, & balance.


Auto Transport - United Freight Of America
1844 N Nob Hill Rd
4.84(
920
)
Auto Transport - United Freight Of America
1844 N Nob Hill Rd
4.84(
920
)
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

United Freight of America is your all inclusive transport solution. CONTACT US FOR A QUOTE. please include pick up and Drop off locations and vehicle information

"Excellent, no problems. My car was new the first year I used the service and there has never been any damage during the transports. The men picking up and delivering the car have always been pleasant and cooperative. Both Ely and Guy at United Transport has been highly responsive to my needs. I would highly recommend this company."

CLAUDIA H on October 2021

...
Showing 1-10 of 993

FAQs for addition to existing structure building service projects in Ranchita, CA

Yes, you can add a bathroom on a concrete slab, but the crew will need to saw-cut the slab, trench in new supply and drain lines, and then patch the concrete without weakening the foundation. Working with an experienced plumber and concrete pro keeps the structure intact and helps the new bathroom pass inspections.

schedule covers planning, permits, framing, rough-ins, finishes, and punch-list items. 

Larger spaces or extensive plumbing and electrical upgrades can stretch the timeline, while a simple powder-room conversion may wrap up faster. Hiring licensed pros helps keep the schedule on track and the work up to code.

The best location depends on how your family uses the space. An upstairs bath keeps nighttime trips close to the bedrooms, while a first-floor powder room is handy for guests and everyday traffic. 

Think about where plumbing lines already run, how much square footage you can spare, and what layout changes fit your budget. A pro can map out the smartest spot and handle any code hurdles.

With the right planning, you can carve out a bathroom in almost any part of the house. A successful addition requires sufficient space, proper ventilation, and access to plumbing and electrical systems. Structural modifications and adherence to building codes are essential. 

This process demands careful planning and the coordination of specialized professionals who ensure that the new space meets all code requirements and functional needs.

Under specific conditions, adding an extra bedroom can boost home value more than adding a bathroom. Home value is driven by overall configuration, market demand, and functional balance. A new bedroom influences the property’s appeal in different ways, while an additional bathroom enhances living convenience. Evaluating the current layout and market trends determines the optimal choice for maximum value.

The Ranchita, 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.
master bedroom with fireplace
Jun 26, 2025
Jun 26, 2025
Budget for bedroom remodel costs based on factors such as bedroom size, remodel type, features, materials, labor, and more.
CONTRACTOR LOOKING OVER HOME DEVELOPMENT
Apr 19, 2025
Apr 19, 2025
Budget for your general contractor’s hourly rate by considering factors such as project scope, fee structure, pricing model, and more.
Outdoor view of the modern house
Jun 16, 2025
Jun 16, 2025
Explore how square footage, room type, home additions, and other common factors affect house renovation costs with our detailed cost guide.
BRIGHT OPEN ATTIC SPACE
Jun 10, 2025
Jun 10, 2025
An in-law suite is a great solution for people who have family visiting often. Explore how much an in-law suite costs and prep to build yours.
white and gray kitchen with butchers block countertop
Apr 8, 2025
Apr 8, 2025
Looking to enhance the warmth and utility of your kitchen? Explore how much a butcher block countertop costs and start your budget here.
built-in outdoor kitchen with grill and sink
Apr 30, 2025
Apr 30, 2025
Budget for outdoor kitchen costs based on factors such as appliances, materials, permits, labor, amenities, kitchen size, customizations, and more.
Share project details to get started.