Transform your home today

The room addition services that bring dreams to life

At Lars Architecture and Construction, we’re focused on giving our clients a fresh, modern, and functional space that will introduce the much-needed practicality and style into their home. By listening to our clients’ particular demands, we’re capable of performing varied room additions in San Carlos and the region, including kitchens, master bedrooms, bathrooms, and ADUs. There’s no project we can’t handle – try us!

Take a look at our stylish room additions

Our projects

Pacific Beach Second Story Addition

Ocean Beach Second Story Addition

Point Loma Whole Home Remodel/Addition

Bay Park Whole Home Remodel/Addition

Point Loma Home Addition & Remodel

Expert home addition that boost your property’s value

There are many benefits to our room addition services

When you hire our award-winning home addition company, you can expect tailored modern design, a swift turnaround, and a completely stress-free experience. Not only will you get a functional new space for your home in San Carlos, but you will also receive:
  • Additional living space for the entire family
  • Boost to your home’s market value
  • Enhanced comfort and convenience in your home
  • Top-of-the-shelf appliances and fixtures

Here are the reasons to choose our company

What makes us the go-to company for room additions in San Carlos

Free on-site consultation

Detailed architectural plans

3D virtual planning and design

Plans & services drafts

Comprehensive management

Constant updates & tailored schedule

Stylish & fresh interior design

Modern appliances & fixtures

The contractors you can depend on

What our clients say

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. 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

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Learn all about home expansions

Frequently Asked Questions

Is adding a bathroom worth it?

Bathroom additions are one of the best room additions you can make to your home in San Carlos. Not only will you get a new and luxurious space to relax in, but you will also reap some additional benefits: 

  • A larger bathroom allows for family growth
  • It makes it easier for you to host and entertain guests
  • It’s a great way to add some value and resale appeal to your property
  • It can increase your home’s value by as much as 20%

Can I build an ADU on top of my house?

Yes, you can build an accessory dwelling unit on top of your home if the zoning laws allow for it. Also, you should make sure to hire an expert room addition contractor in San Carlos who has the experience and the knowledge necessary to pull off such a demanding and complex project.

How long does it take to build a master suite addition?

The duration of a master suite addition in San Carlos doesn’t only depend on its size and the level of trim – it also depends on the time necessary to acquire all the permits and other vital paperwork. 

Generally, it can take up to three months to finish a regular-sized master suite addition. However, hiring an experienced home addition contractor will certainly speed up the entire process and get you your coveted addition finishes faster.

How much does it cost to put in a new bathroom?

The cost of the master suite addition is difficult to state, as it depends on several factors: 

  • The location of the addition
  • The level of trim and luxury
  • The size of the addition
  • The exterior trim of the master suite
  • The furniture and other necessities

That is why it’s always best to contact our reputable room addition company, give us the info we need, and allow us to give you an accurate estimate of the costs.

Which home & room addition contractors in San Carlos & the area should I contact?

We are your reliable home and room addition contractor in San Diego that serves the residents of all the surrounding communities, including San Carlos 92120. We provide modern design, high-quality construction and materials, and swift turnover for all our services, which include: 

Our comprehensive set of home addition services is available all across the area. We’re here to perform expert room additions for homeowners near Hiller Aviation Museum, San Mateo County Historical Museum, and other nearby areas. You can also rely on us for: 

As a trusted home addition company in San Diego, we provide our customers with contemporary designs and time-tested craftsmanship. We are dedicated to ensuring your satisfaction during each step of the process. Give us your ideas and we’ll make them true.