Add value to your home with our expertly additions.

Professional Room Addition Services in El Cajon

We design our home additions per your exact wishes

Lars Architecture is El Cajon’s trusted home addition company. You can rely on us for a variety of services, from giving you a modern kitchen, bedroom, and bathroom to adding a new specialized accessory dwelling unit to your home. What’s more, we’ll make room for your in-laws. Our expert designers will provide a 3D mockup you can further customize before our experienced construction crew gets started. We work fast! Contact us today!

Explore our previous projects

Pacific Beach

Second-Story Addition

Ocean Beach

Second-Story Addition

Point Loma

Suite Addition

Point Loma

Room Additions

Bay Park

Bathroom Additions

Our custom service gives your home additional value

These are the advantages our home addition services provide

When you hire experienced and qualified room addition contractors to give your home some extra space, you can expect tailor-made design and fast construction work. However, if you hire us, there are additional benefits you can receive:

  • Increased living space for your entire family
  • Improved value of your home
  • Better living functionality and comfort
  • Cutting-edge appliances and fixtures
Hiring Lars was one of the best decisions we had ever made! Their residential architects and designers did an amazing job with our kitchen space, and we are so thankful for all the time they dedicated to us. learn more
They expanded our existing kitchen and updated the layout to be more practical and suitable for our needs. What we loved the most about them was that we were always included in the process and they had never missed an opportunity to check in and consult with us on the next steps. With the baby on the way, we’ll surely need some extra space, and Lars Architecture and Construction will be the first people we call!

- Jim and Stacy, Kitchen addition, San Diego

Frequently Asked Questions

Is it worth it to add onto your house?

Yes, it is definitely worth making a home addition to your property in El Cajon. An addition will increase your property’s value, improve your living comfort and convenience, and give your home a fresh and luxurious look. Just make sure to hire an experienced room addition contractor to handle the work to ensure swift and premium results.

How do you build a room addition?

Building a home addition in El Cajon is a complicated process that requires experience and expertise to perform correctly. That is why it’s best to hire a reputable local contractor to handle the actual design and construction of your new space.

However, that doesn’t mean you should not do your part to prepare for the project. Here’s what you should consider before hiring professionals:

  • Think about the type of addition you would like to make
  • Set a clear budget for your project
  • Consider the style and the design of the addition

Can I add a bedroom to my house?

Yes, in most cases you can add a new bedroom to your home, or you can choose to expand your existing bedroom. However, it is crucial to educate yourself and pay close attention to any local regulations and restrictions regarding the size and the scope of the home addition you want to make in El Cajon so that you ensure to follow all the rules.

The best way to make sure your new bedroom addition will be made according to all regulations and per highest standards is to contact a reputable local room addition company. Only top professionals perform top work.

How much does it cost to add an additional bedroom?

If you want to receive an accurate cost estimate for your bedroom addition in El Cajon, you need to hire experts who will come to your home and begin the process of providing an in-depth estimate of project costs. If you choose to work with our team, our experts will give you an estimate based on:

  • The current state of your home
  • The level of trim you want for your bedroom addition
  • The size of the bedroom you want to add to your home
  • Current cost of materials needed to complete your addition project
  • The overall scope of the project desired

Do you need a permit for an ADU?

At the very least, a new ADU construction in El Cajon requires a building permit. However, depending on the scope and complexity of the project, you may also be required to provide a grading permit, site review, and/or encroachment permit.

Who are the leading room addition contractors in El Cajon & the surrounding area?

Lars Architecture is a reliable room addition company in San Diego and across the entire surrounding area, including El Cajon, 92019, 92020, 92021. We are your dependable local contractors with years of experience in the industry. We offer custom 3D design, expert construction work, and quick and efficient turnover. You can hire us for:

Our services are available across the entire region and to all the members of local communities. It makes no difference if you’re near Mission Trails Regional Park or close to Wieghorst Museum. Our team of experienced professionals will arrive at your home and consult with you regarding the design of your addition. We also service other areas besides Carmel Valley. We offer:

Give us a call today and tell us what we can do for you!

Explore our design center and showroom

Stunning bathroom & kitchen showroom in San Diego.

Take your pick among timeless and modern design-build ideas.