Sass Construction and Design

Sass Construction and Design is a division of Shelley Sass Designs, and was the next logical step after the many bathroom, kitchen and entire home remodels undertaken and delivered by Shelley Sass Designs.

As a local business in the San Diego area, we attribute our reputation (see reviews here) to the lasting customer relationships we’ve developed throughout the years. 

Shelley Sass Designs

Contractor Number: 1067716

Room Additions San Diego

patio addition San Diego

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What makes a family home really special is the memories stretched across generations that reside in every room. What happens when the family grows but moving homes is too expensive? A room addition in San Diego might be the way to go. Not only is this cheaper than building or buying a new home, it will also increase the value of your existing home! Want to learn more about how to accomplish this in beautiful San Diego? You are in the right place!

What’s a Room Addition, Anyway?

white wall living room addition in San Diego


A room addition is simply an extra space or structure built onto the house to either expand the space or use it as a separate room. Simply put, it’s a versatile room that can function as its own structure. Each homeowner has their unique room addition needs. What are yours?

Whether you need additional storage space or perhaps an additional bedroom, kitchen or bathroom, everything you need to know before you start is right here. Read on.


Have questions? Consult with our in-house designer!

Sass Construction and Design interior designer Shelley


Different Types of Room Additions in San Diego

If you’re planning to add rooms in your home rather than moving, you can refer to these most popular room additions in San Diego for inspiration. Your much-needed space is finally at hand!

Most Common Room Additions

polka-dotted chairs while kitchen addition San Diego

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✔️ Kitchen Addition – If you think your kitchen is too small for preparing big meals, you’re probably right. You decide whether you want a second kitchen or perhaps a bigger one. Either way, you’ll never cook the same way ever again.

✔️ Mudroom Addition – Add an extra space to store your shoes, hats, coats, backpacks, and whatnots, especially if you’re a big family with pets. It will keep your main room free from dirty boots and paws.

✔️ Sunroom Addition – A sunroom, also known as a solarium or sun porch, is used exactly how it’s named. It’s a room that purposely allows the daylight inside so you can relax and bask in the morning and afternoon sun.

bathroom addition in San Diego with wooden floors

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✔️ Bathroom Addition – A bathroom addition is quite costly because of the piping and other fixtures. But it’s definitely a worthy addition because of the value it will add to your home.

✔️ Home Office Addition – Having a home office these days is no longer a luxury but a necessity. If you are a small business owner, this can be cheaper in the long term compared with renting a commercial office space.

Small-Time Room Additions

✔️ Dormer Addition – A dormer is the perfect addition to your second floor. It brings light and more usable space in the room for a lovely and functional charm.

✔️ Bump-out Addition – A bump-out adds an extra square foot to the room where you need it the most. This is usually added over the edge of the house so that when you look at it from the outside, it looks like there’s a bump, hence, the name.

Big-Time Room Additions

✔️ Second-story Addition – Adding a second story in your home is an expensive and complex project. When done well, it can add significant value and space to your whole house.

outside of garage addition in San Diego


✔️ Garage Addition – Just like a second-story addition, a garage addition is a huge home project. Consider the space, type, and purpose of the garage addition you’re building for your project before starting.

Room Additions in San Diego: Sass Construction & Design

If you’re looking for room addition experts in San Diego, no need to search elsewhere. Fix your eyes on what you’re about to experience when you partner with us:

① All-in-One Construction and Design Firm – No project is too small or too big for a firm that has it all! Our very own brilliant interior designer, Shelley, works with equally brilliant contractors and builders to make your San Diego room addition project come to life.

② Has an Eye and Heart for Functional Design – We live and breathe styles that deliver. We make it a point to know our client’s heartbeat and what the room addition means for them in order to satisfy their heart’s desire.

③ Decades of Experience You Can Rely On – Shelley’s two decades of interior design experience are evident in all her projects. Get ready to have your room addition sass-ified when you work with us. Trust us, it’s going to be brilliant! 

④ Transparency and Proactiveness Throughout the Process – We keep it light and bright during your entire San Diego room addition project. Our goal is to take the stress out of this project and keep you informed every step of the way.

⑤ Trusted and Reliable Team – Shelley works with the best contractors and builders in the industry. Rest assured that your room addition project is being crafted in the right hands.

Considerations for a San Diego Room Addition

spacious living room addition project in San Diego

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Before you get in touch with a contractor or interior designer for this project (why not a firm like ours that does both?!), here are some things to think about.

✔️ Reason for the Addition – What made you decide to pursue a room addition? Is it the lack of space in your bedroom, bathroom or kitchen?  Or the lack of room in your home entirely? Whatever it is, sort it right from the beginning so you can get a mental picture of what it’s going to be like in the end.

✔️ Permitting – Are you even allowed to do this in your neighborhood? This is the most important thing to figure out before getting started. 

✔️ Budget Range/Cost – Before you even think of starting a room addition project in San Diego, better check if the cost and your finances are aligned. Plan your budget according to the type of addition you want to accomplish and make sure you’re prepared for unforeseen costs. This is where a good contractor and interior designer will come in handy. 

✔️ Available Space – Take a good look at the space you have and consider how much of it you can work on. Think of how your surroundings would be affected. It might make more sense to add upwards instead of sideways but this will significantly increase costs. 

✔️ Design and Style – Now that you know how much of your available space you can work on, meet with your interior designer and plan the style and design. A good interior designer will try to make sure your room addition design is in harmony with the rest of your home.

Frequently Asked Questions

What’s the perfect size for a room addition?

There’s no ‘perfect’ size per se when it comes to room additions. You just need to know why you need the extra space in the first place so you can decide how much of it you’re going to add to your home.

How do I know if my home needs a room addition?

If you keep getting your toes stubbed because of the small space and your things are all over the place, you might need a room addition. But really, if a room in your home no longer serves its purpose because of lack of space, a room addition is more convenient than looking for a new place.

Should I add up or add out?

Building ‘out’ is most common to room addition projects. Adding a new level to your home might be the best option for extra bedrooms and bathrooms. However, your neighborhood’s height restrictions and your house’s structure may prove challenging. Building up is also much more expensive than building out. It all boils down to the function of the room you’re going to add to your home when you decide.

Will a room addition project add any value to my home?

Yes, a room addition can be a great way to boost your property’s resale value. We’re talking about a bedroom addition, bathroom addition, kitchen addition, garage addition and other big-time room addition projects.


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