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Addition to existing structure builders in Valley Center

Avatar for Preferred Remodelers
Preferred Remodelers
1145-C Industrial Avenue
5.00(
8
)
Approved Pro
Preferred Remodelers
1145-C Industrial Avenue
5.00(
8
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
39 years of experience

It is my mission to provide excellence to all our projects and exceed our clients’ expectations of the value they will receive by providing professionalism of management, as well as high quality craftsmanship. Trust and honesty are to be the foundation for all our client and business relationships. It is my goal to develop and nurture relationships with our clients and business associates by maintaining a team atmosphere with a common goal.

"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 on November 2021

It is my mission to provide excellence to all our projects and exceed our clients’ expectations of the value they will receive by providing professionalism of management, as well as high quality craftsmanship. Trust and honesty are to be the foundation for all our client and business relationships. It is my goal to develop and nurture relationships with our clients and business associates by maintaining a team atmosphere with a common goal.

"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 on November 2021


Avatar for Olalde Group, Inc.
Olalde Group, Inc.
741 East Adams Park Drive
5.00(
1
)
Approved Pro
Olalde Group, Inc.
741 East Adams Park Drive
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
15 local quotes requested

Olalde Group, 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 makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"Efrain and David are fantastic! When our contractor was suddenly unable to continue with the job, David took over with a great positive attitude. He persistently worked with the city to get the building permit, finally ending a tedious 10 month process. Crews were here working every day. Each one of them was considerate, conscientious, and demonstrated a strong work ethic. Efrain and David communicated with us most days and were always accessible to us. My ADU is adorable and just what we wanted and I am sure that many contractors could have pulled it off. The important thing about Olalde is that they truly care and honestly want us to be happy."

Judy M on October 2023

Olalde Group, 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 makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business. Please give us a call today!

"Efrain and David are fantastic! When our contractor was suddenly unable to continue with the job, David took over with a great positive attitude. He persistently worked with the city to get the building permit, finally ending a tedious 10 month process. Crews were here working every day. Each one of them was considerate, conscientious, and demonstrated a strong work ethic. Efrain and David communicated with us most days and were always accessible to us. My ADU is adorable and just what we wanted and I am sure that many contractors could have pulled it off. The important thing about Olalde is that they truly care and honestly want us to be happy."

Judy M on October 2023


Avatar for Huseth Construction, Inc.
Huseth Construction, Inc.
5550 Genesse Court East #168
5.00(
7
)
Approved Pro
Huseth Construction, Inc.
5550 Genesse Court East #168
5.00(
7
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
13 local quotes requested

Welcome to Huseth Construction, Inc. We build custom homes in San Diego. We are also general contractors and are able to complete your addition or remodel project. We pride ourselves on craftsmanship, attention to detail, and meeting our customers' needs. We look forward to earning your business.

"Ryan did an awesome top notch job remodeling our unfinished garage, insulating the whole thing, adding an office and a utility sink. He was very communicative right from our first contact, he and his crew did exactly what we asked for, he also provided great ideas, was always on time, very clear, and just great. Recommend him 100%, we are getting so many compliments about our project."

JUAN G on October 2020

Welcome to Huseth Construction, Inc. We build custom homes in San Diego. We are also general contractors and are able to complete your addition or remodel project. We pride ourselves on craftsmanship, attention to detail, and meeting our customers' needs. We look forward to earning your business.

"Ryan did an awesome top notch job remodeling our unfinished garage, insulating the whole thing, adding an office and a utility sink. He was very communicative right from our first contact, he and his crew did exactly what we asked for, he also provided great ideas, was always on time, very clear, and just great. Recommend him 100%, we are getting so many compliments about our project."

JUAN G on October 2020


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
241 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 VAZQUEZ BUILDER INC
VAZQUEZ BUILDER INC
25371 OAKSTONE CT
5.00(
2
)
Approved Pro
VAZQUEZ BUILDER INC
25371 OAKSTONE CT
5.00(
2
)
Approved Pro
7 years of experience
Free onsite estimate

VAZQUEZ BUILDER INC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have 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!

"We hired Vazquez Builder for a home addition, and we couldn?t be happier. They added a new room to our structure, and the craftsmanship is excellent. The new space blends seamlessly with the house, and the build quality is top-notch. The team was professional and efficient, completing the project quickly without cutting corners. Pricing was very reasonable, with no hidden costs, and communication was clear throughout. They kept the worksite clean and made the entire process stress-free. "

kayla m on March 2025

VAZQUEZ BUILDER INC is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have 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!

"We hired Vazquez Builder for a home addition, and we couldn?t be happier. They added a new room to our structure, and the craftsmanship is excellent. The new space blends seamlessly with the house, and the build quality is top-notch. The team was professional and efficient, completing the project quickly without cutting corners. Pricing was very reasonable, with no hidden costs, and communication was clear throughout. They kept the worksite clean and made the entire process stress-free. "

kayla m on March 2025


Avatar for Creative Design & Build
Creative Design & Build
9275 Trade PL Unit H
4.98(
32
)
Approved Pro
Creative Design & Build
9275 Trade PL Unit H
4.98(
32
)
Approved Pro
Customers say: Quality work
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
7 years of experience

Creative Design & Build 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.

"Expert craftsmanship and attention to detail in every project. Affordable prices for high end kitchen and bathroom renovations. I'm thrilled with the results."

jeffrey t on August 2024

Creative Design & Build 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.

"Expert craftsmanship and attention to detail in every project. Affordable prices for high end kitchen and bathroom renovations. I'm thrilled with the results."

jeffrey t on August 2024


Avatar for Pacific Coast Building and Repairs
Pacific Coast Building and Repairs
PO BOX 697
New on HomeAdvisorNew on Angi
Approved Pro
Pacific Coast Building and Repairs
PO BOX 697
New on AngiNew on HomeAdvisor
Approved Pro
5 years of experience
Free onsite estimate

We specialize in customer service, and I don't leave until you're happy. I do the work myself, no subcontractor. No job is too small or big.

We specialize in customer service, and I don't leave until you're happy. I do the work myself, no subcontractor. No job is too small or big.


Avatar for D B Construction 18, Inc.
D B Construction 18, Inc.
601 11th Avenue, Unit 2713
5.00(
5
)
Approved Pro
D B Construction 18, Inc.
601 11th Avenue, Unit 2713
5.00(
5
)
Approved Pro
Customers say: Quick response
121 local quotes requested
5 years of experience

Welcome to D B Construction 18 INC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"The work these guys did was awesome. I had to leave on a business trip and they managed to work in my home during that time. They finished before expected, and everything looks great. The communication was great, we set up a group chat for daily progress. definitely would hire them again."

ray p on February 2025

Welcome to D B Construction 18 INC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!

"The work these guys did was awesome. I had to leave on a business trip and they managed to work in my home during that time. They finished before expected, and everything looks great. The communication was great, we set up a group chat for daily progress. definitely would hire them again."

ray p on February 2025


Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
23445 Haynes Street
4.25(
18
)
Approved Pro
McCormick Home Builders, Inc.
23445 Haynes Street
4.25(
18
)
Approved Pro
Customers say: True professional
235 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!

"We recently remodeled our bathroom with McCormick, and it was a fantastic experience. Khaled was informative, patient, and genuinely helpful, guiding us through choices for a perfect design. The team’s professionalism showed in their punctuality and quality. Every aspect was done with care, from tile placement to lighting. The transformation is truly impressive; the bathroom now feels open and luxurious. We’re beyond pleased with the result and look forward to more projects with them."

Geoffrey C H on January 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!

"We recently remodeled our bathroom with McCormick, and it was a fantastic experience. Khaled was informative, patient, and genuinely helpful, guiding us through choices for a perfect design. The team’s professionalism showed in their punctuality and quality. Every aspect was done with care, from tile placement to lighting. The transformation is truly impressive; the bathroom now feels open and luxurious. We’re beyond pleased with the result and look forward to more projects with them."

Geoffrey C H on January 2025


Home Pro Remodeling & Construction, Inc.
134 South Myrtle Avenue
4.43(
27
)
Approved Pro
Home Pro Remodeling & Construction, Inc.
134 South Myrtle Avenue
4.43(
27
)
Approved Pro
Customers say: Quality work
248 local quotes requested
6 years of experience

With years of experience serving the area, we are your solution for all your remodeling needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

"Great company! They delivered as they promised. Professional work from start to finish. You can tell the difference between old and new windows. Our house looks like new with this windows. Thank you for excellent work."

Nishma P on May 2023

With years of experience serving the area, we are your solution for all your remodeling needs. We take great pride in our extreme professionalism, timeliness and superior customer service on every job. We make sure to develop a lasting relationship so that the next time service is needed there will be no question on who to call. Check out our 5 star reviews from happy customers! Call us today so we can discuss your needs and make a plan that fits your budget. Satisfaction guaranteed!

"Great company! They delivered as they promised. Professional work from start to finish. You can tell the difference between old and new windows. Our house looks like new with this windows. Thank you for excellent work."

Nishma P on May 2023

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Addition to existing structure building services FAQs

Most ADU projects require several months from initial planning through final inspection. The timeline includes designing plans, securing permits, site preparation, construction, and finishing work. 

Factors affecting duration include project complexity, contractor availability, weather conditions, and local permitting processes. Planning for potential delays due to material shortages or inspection scheduling is advisable when establishing your project timeline.

Homeowners can access various funding sources for ADU projects. Home equity loans and lines of credit leverage existing property value, while construction loans provide phased funding specifically for building projects. Some areas offer specialized ADU financing programs with favorable terms. 

Personal loans might work for smaller conversions, though they often carry higher interest rates. Your financial situation, credit profile, and project scope will determine which option provides the most advantageous terms.

Adding an ADU often increases your property's assessed value, resulting in higher tax obligations. The specific impact varies by location, as assessment methods and tax rates differ between jurisdictions. Some areas offer temporary exemptions or gradual increases to ease the financial transition. 

For accurate projections, consult your local tax assessor before beginning construction to understand how your specific project will affect future tax bills.

Short-term rental regulations vary dramatically between municipalities. Some jurisdictions permit vacation rentals with minimal restrictions, while others impose occupancy limits, licensing requirements, or outright prohibitions, particularly for ADUs. Many areas require owner occupancy of the primary residence when renting an ADU short-term. 

Research your local ordinances thoroughly before planning rental income, as non-compliance penalties can be substantial.

The ADU construction process frequently encounters obstacles, including complex permitting requirements, unexpected site conditions requiring additional work, contractor scheduling difficulties, and budget management challenges. Many homeowners underestimate the complexity of coordinating multiple specialized trades. 

Additionally, ensuring adequate privacy between the main residence and ADU while maintaining aesthetic cohesion requires careful planning. Thorough preparation and working with experienced professionals can help navigate these common pitfalls.

Identifying qualified ADU contractors requires targeted research. Begin by seeking recommendations from neighbors with completed ADU projects or contacting local builder associations for specialist referrals. Review contractors' portfolios specifically for ADU or small residential projects similar to your vision. 

When interviewing potential candidates, assess their familiarity with local ADU regulations, ask about recent similar projects, and request contact information for past clients with comparable projects.

The homeowners guide to addition to existing structure building services
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