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 San Anselmo

Vision Builders
P.O. Box 837
5.00(
1
)
Approved Pro
Vision Builders
P.O. Box 837
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
31 years of experience

We're 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 General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. 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!

""

Bryron K on April 2020

We're 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 General Contractor Home Improvement services that are customizable to each individual project. We specialize in Additions and Kitchen Remodels, but also offer a wide range of expertise for a variety of other projects. 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!

""

Bryron K on April 2020


Boesel Design & Construction
136 Allyn Avenue
4.75(
2
)
Approved Pro
Boesel Design & Construction
136 Allyn Avenue
4.75(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
20 years of experience

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!

"Easy to work with and listens well and listen to your input."

Matt M on December 2017

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!

"Easy to work with and listens well and listen to your input."

Matt M on December 2017


Avatar for Qualified Builders Construction
Qualified Builders Construction
2206 Oakview Court
5.00(
2
)
Approved Pro
Qualified Builders Construction
2206 Oakview Court
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Qualified Builders Construction, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Excellent company! Phenomenal work for the price and I am very happy with the fence they built!"

Mark L on January 2023

Customer satisfaction is what determines our success, which is why we take a hands-on approach. When interacting with Qualified Builders Construction, you'll notice that we're particularly focused on the principles of quality workmanship, timely completion, competitive pricing and integrity in all our business dealings. We combine knowledge and research with our extensive practical experience to ensure a specialized approach for your project needs. Contact us today for a fair and accurate estimate of your project. We look forward to adding you to our long and growing list of happy customers.

"Excellent company! Phenomenal work for the price and I am very happy with the fence they built!"

Mark L on January 2023


Reichert Building Solutions
11 Friendly Lane
5.00(
4
)
Approved Pro
Reichert Building Solutions
11 Friendly Lane
5.00(
4
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
9 years of experience

With years of experience serving the area, we are your solution for all your (PWC) 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!

"they are great"

Jenny H on July 2024

With years of experience serving the area, we are your solution for all your (PWC) 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!

"they are great"

Jenny H on July 2024


Ashbury General Contracting and Engineering
40 12th Street
4.50(
2
)
Approved Pro
Ashbury General Contracting and Engineering
40 12th Street
4.50(
2
)
Approved Pro
Customers say: Terrific value
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 years of experience

Mon-Fri 7a-5pm Fully integrated company. All work is done in-house by employees not sub-contractors. 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 forwards to earning your business! Book with us online or feel free to give us a call today!

"Great work for a great price."

Paul H on March 2023

Mon-Fri 7a-5pm Fully integrated company. All work is done in-house by employees not sub-contractors. 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 forwards to earning your business! Book with us online or feel free to give us a call today!

"Great work for a great price."

Paul H on March 2023


Avatar for Selvig Development Inc
Selvig Development Inc
50 Martling Rd
5.00(
1
)
Approved Pro
Selvig Development Inc
50 Martling Rd
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
3 years of experience

With more than 20 years of experience, Selvig Development Inc is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"I am an architect and I have worked with Rolf Selvig for over 10 years, in several projects, and we highly recommend him."

Tahyer H on September 2022

With more than 20 years of experience, Selvig Development Inc is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"I am an architect and I have worked with Rolf Selvig for over 10 years, in several projects, and we highly recommend him."

Tahyer H on September 2022


Millstreet Builders
448 Ignacio Blvd, Unit 193
5.00(
2
)
Approved Pro
Millstreet Builders
448 Ignacio Blvd, Unit 193
5.00(
2
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
5 years of experience

MILLSTREET BUILDERS is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Craig was great to work with! Kept on time and on budget"

Stacey R on November 2023

MILLSTREET BUILDERS is dedicated to providing our customers with the best quality and craftsmanship. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!

"Craig was great to work with! Kept on time and on budget"

Stacey R on November 2023


Advanced Construction Company
4251 Susan Lane
5.00(
3
)
Approved Pro
Advanced Construction Company
4251 Susan Lane
5.00(
3
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
34 years of experience

ACC has been providing residential/commercial remodeling services to Northern CA since 1991. We are reliable, provide detailed estimates and competitive pricing. We are a Certified Green Builder. Advanced Construction Company has been in business since 1991, specializing in residential remodels. During the past 30 years, we have taken pride in providing 100% customer satisfaction through honesty, dependability and quality workmanship. Ed Story (owner/president) has more than 35 years of experience in the construction industry. An innovative problem solver, Ed brings experience and creative insight to every job. Experts in making your visions a reality, we use only quality materials and supplies and consistently work with the same subcontractors. Offering competitive fixed bid prices for any kind of work, ACC is the answer to all of your construction and remodeling needs.

"Very professional and easy to work with."

Carol H on July 2016

ACC has been providing residential/commercial remodeling services to Northern CA since 1991. We are reliable, provide detailed estimates and competitive pricing. We are a Certified Green Builder. Advanced Construction Company has been in business since 1991, specializing in residential remodels. During the past 30 years, we have taken pride in providing 100% customer satisfaction through honesty, dependability and quality workmanship. Ed Story (owner/president) has more than 35 years of experience in the construction industry. An innovative problem solver, Ed brings experience and creative insight to every job. Experts in making your visions a reality, we use only quality materials and supplies and consistently work with the same subcontractors. Offering competitive fixed bid prices for any kind of work, ACC is the answer to all of your construction and remodeling needs.

"Very professional and easy to work with."

Carol H on July 2016


Avatar for Green Bay Remodeling
Green Bay Remodeling
1015 2nd Street
4.77(
33
)
Approved Pro
Green Bay Remodeling
1015 2nd Street
4.77(
33
)
Approved Pro
Customers say: Quick response
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
19 local quotes requested

We make our customers happy every day with every project! Green Bay Remodeling Inc is an award-winning home remodeling and renovating company with an outstanding design-build portfolio in the San Francisco Bay Area. We provide free consultations to our clients and ensure services are customized to serve each project. With our unique processes, we deliver remarkable designs and successful builds that result in a noteworthy client satisfaction rating. Our unified team of experts develops premium concepts for your whole home remodeling, additions, kitchens, new homes, and bathrooms. Here are our requirements to go over before booking an appointment: We ask to meet the homeowners for the initial meeting and it usually takes an hour. We do not submit estimates for any project that involves insurance claims. Our estimates are free, but we don't accept jobs less than $6K. With Green Bay Remodeling, you get a dedicated project manager to answer all your questions from start to finish!

"Greenbay delivered exactly what they promised and in the time frame they quoted. Our project manager Vlady was a great guy and really helped us select the right materials and look for our master bathroom. We would be happy to do business with them again."

Douglas L on August 2021

We make our customers happy every day with every project! Green Bay Remodeling Inc is an award-winning home remodeling and renovating company with an outstanding design-build portfolio in the San Francisco Bay Area. We provide free consultations to our clients and ensure services are customized to serve each project. With our unique processes, we deliver remarkable designs and successful builds that result in a noteworthy client satisfaction rating. Our unified team of experts develops premium concepts for your whole home remodeling, additions, kitchens, new homes, and bathrooms. Here are our requirements to go over before booking an appointment: We ask to meet the homeowners for the initial meeting and it usually takes an hour. We do not submit estimates for any project that involves insurance claims. Our estimates are free, but we don't accept jobs less than $6K. With Green Bay Remodeling, you get a dedicated project manager to answer all your questions from start to finish!

"Greenbay delivered exactly what they promised and in the time frame they quoted. Our project manager Vlady was a great guy and really helped us select the right materials and look for our master bathroom. We would be happy to do business with them again."

Douglas L on August 2021


Mill Valley Builders, Inc.
240 Redwood Highway, Suite 5
4.90(
5
)
Approved Pro
Mill Valley Builders, Inc.
240 Redwood Highway, Suite 5
4.90(
5
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
42 years of experience

Mill Valley Builders, Inc., was founded on the belief of providing quality as our primary goal. We have been contracting for 32 years. We enjoy what we do and build life long friends with our customers. We work for you!

"They are very efficient and hard working. They also gave us options before proceeding with the project."

Robert S on September 2020

Mill Valley Builders, Inc., was founded on the belief of providing quality as our primary goal. We have been contracting for 32 years. We enjoy what we do and build life long friends with our customers. We work for you!

"They are very efficient and hard working. They also gave us options before proceeding with the project."

Robert S on September 2020

...
Showing 1-10 of 988
The San Anselmo, 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.
WOMAN EXERCISING IN HOME GYM
Jul 31, 2025
Jul 31, 2025
Budget for the cost to build a home gym based on factors such as project complexity, labor, gym type, flooring, electrical work, and more.
A view of a bathroom
Jul 29, 2025
Jul 29, 2025
Learn how much you’ll pay for a heated bathroom floor by exploring cost factors like the system type, labor rates, and permit fees.
A fancy black sink in a modern kitchen
Jul 29, 2025
Jul 29, 2025
Discover how much it costs to install limestone countertops, exploring how square footage, labor rates, and countertop design affect your total costs.
GAME ROOM IN BASEMENT
Jul 27, 2025
Jul 27, 2025
Learn about game room cost factors such as gaming consoles, sound systems, furnishings, installation labor, and remodeling vs. renovating.
A girl playing with teddy bear while smiling mother and grandmother at kitchen island
Mar 31, 2025
Mar 31, 2025
Explore how much quartzite countertops cost based on factors such as their size, location, design, finish, and labor rates.
Interior view of sunroom
Jul 9, 2025
Jul 9, 2025
Budget for sunroom addition costs based on factors such as room type, site prep, professional labor, features, permits, prefab vs. custom designs, and more.
Share project details to get started.