Revamp your property with a custom addition

Modern Home Addition Services in Chula Vista

Make your dreams come true with our home additions

The #1 company for home additions in Chula Vista, Lars Architecture provides you with an opportunity to expand and innovate your home. When you think of a new modern room addition, our innovative designs and our expert contractors help you imagine what it could be. Our main goal is to add some additional space to your home while giving it a modern look. Our home addition services include kitchen and bathroom additions, master bedroom/suite additions, and in-law suite additions. We also specialize in second-story additions and ADU additions. It’s up to you, let us know what you choose and we’ll make it happen. Reach out to us today!

Take a glance at our latest home additions

Pacific Beach

Second-Story Addition

Ocean Beach

Second-Story Addition

Point Loma

Suite Addition

Point Loma

Room Additions

Bay Park

Bathroom Additions

Our innovative home additions boost properties.

Get home addition services that are worth it

Our modern design and quality construction room additions will make you fall in love with your home all over again. Our Lars Architecture experts in Chula Vista can create a design that suits your needs and style that can benefit you in multiple ways. Our service doesn’t bring only a home addition but also:

  • More functional living space
  • Value increase of the property
  • Breathtaking comfort
  • Modern household elements
  • Trending appliances
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

Can anyone opt for a home addition?

Typically, anyone can go with a home addition, but different aspects should be considered carefully before proceeding. It’s advisable to read up on the current regulations in your area of residence before starting any kind of project.

Building a home addition in Chula Vista is regulated by certain guidelines and steps that should be taken into account, such as:

  • Zoning the area
  • Buildable area range
  • Regulations and requirements for your property
  • Building permits
  • Plot plans, floor plans, etc.

Entrust your decision to Lars Architecture , the home addition company that understands regulations in Chula Vista and cares to make it work for you. Contact us and we’ll answer any questions you might have about the process!

Are room additions worthwhile?

Financial investments that expand your living space and make it functional and modern are always worthwhile. By expanding your home through convenient, appealing room additions, you can significantly boost the value of your property and enhance your everyday living.


Deciding on Lars Architecture for your room additions in Chula Vista gives you an opportunity to get an amazing return on your investment and a home you’ve always wanted. Our team has the experience and materials needed to perform a quality service. With us by your side, you can count on getting lasting quality and durability with any type of home addition, whether room, master bathroom, or ADU.

How can I plan a home addition?

Planning a home addition largely depends on your style preferences and particular needs.Once you contact Lars Architecture  to provide you with a wonderful home addition in Chula Vista, we will take steps to plan your project and go through the details together.

However, before you reach out, think about the basics:

  • The scope of the budget for the home addition.
  • Choose the kind of home addition you’d like.
  • Think about a design that fits you.

What’s the price of a home addition?

Determining the price of home additions  requires careful evaluation of the property and your needs. Whether you need a guest room, master bathroom, kitchen, or any other type of addition, every project is unique. The price largely depends on a few different factors:

  • The condition of your property
  • The kind of home addition you would like to have
  • The space the home addition takes up
  • The company you decide to hire

At Lars Architecture, we calculate the approximate costs of different home additions during on-site consultations. There are no hidden expenses as transparency is one of the key features of our company. Contact us today!

Where can I find a reliable home addition company in Chula Vista & across the area?

Lars Architecture is a trusted company for different types of home additions in San Diego County. If you’re considering expanding your living space, we can bring you great service quality, modern features, and affordable prices. In addition to serving Chula Vista, 92083, 92084, we offer a comprehensive set of services across San Diego including:

Lars Architecture is here for homeowners in the Chula Vista, 92083, 92084 community and the surrounding neighborhoods. We provide remarkable service no matter the location. Whether you live near the Flower Fields on the Carlsbad Ranch or all the way across to North Coast Church, our experts can build a quality room addition in no time. Some of our service areas include:

Lars Architecture is your trusted partner for any type of home home addition, supporting you in your decision to make it worth your investment. Reach out to us today!

Explore our design center and showroom

Stunning bathroom & kitchen showroom in San Diego.

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