Home & Room Additions
Expand your home with a trusted addition builder team, creating extra space that seamlessly fits your lifestyle and aesthetics.
More Space, More Comfort
Benefits of Home & Room Additions
Expanding your home isn’t just about adding space, it’s about enhancing your lifestyle, increasing your home’s value, and making your home work better for you.
Expand Your Living Space
A home addition enhances comfort and functionality by providing extra space where it’s needed most. It helps eliminate clutter, reduces overcrowding, and allows every area of your home to serve a clear purpose.
Create a Multi-Generational Home
As families grow, so do their space needs. Instead of searching for a larger home, a well-planned addition can provide the extra space necessary for aging parents, adult children, or extended family without uprooting your life.
Increase Your Home’s Value
A well-designed addition is an investment that enhances both your living experience and your home’s market appeal. More square footage, modern upgrades, and functional spaces can boost your home’s resale value, making it a smart financial decision.
Cost-Effective Alternative to Moving
Moving is expensive and stressful. Between real estate fees, closing costs, and higher taxes, the price adds up quickly. A home addition allows you to customize and expand your space without the financial burden of relocating, giving you the best of both worlds.
Find the Right Addition for Your Home
Every home has unique needs, and an addition should work for you. Our addition builder team designs additions that fit your needs, budget, and property layout. Here are the most common types of home additions we build in the Bay Area:
Room Additions
A room addition allows you to create a space that fits your specific needs. Expand for a growing family, add a home office, or enhance your home’s functionality with a custom addition that blends seamlessly with your existing space.
Kitchen Expansions
The kitchen is the heart of the home. If yours feels cramped or outdated, expanding it can enhance both cooking and gathering experiences. A kitchen addition can provide extra counter and cabinet space, a larger dining area, a kitchen island, a breakfast bar, or any other features that improve your lifestyle.
Bathroom Additions
An extra bathroom streamlines daily routines, reduces congestion in busy households, and increases home value. Upgrade your home with a stylish, well-designed space that enhances relaxation and functionality.
Second Floor Addition
Build up, not out. If your lot size is limited, a second-story addition is a smart way to expand your living space without sacrificing your yard. This option is ideal for growing families, additional bedrooms, or creating multifunctional spaces like a home office or guest suite.
Not The Project You Had In Mind?
ADU Construction
Unlock your home's full potential with additional living space for family, guests, or rental income. Our expertly designed ADUs provide versatile, functional spaces that seamlessly integrate with your existing home, enhancing both comfort and value.
Custom Home
Your home should be a perfect fit for your lifestyle. We build custom homes that match your vision, ensuring every detail reflects your personality, needs, and your future.
The Step Up Way:
Expanding your home should be exciting, not stressful. We take the complexity out of home additions, handling everything so you can focus on the big picture:
Our first Meeting
Our process starts with an in-depth consultation to understand your vision and goals. During this meeting, we’ll discuss your ideas, budget, and timeline to ensure that we’re aligned every step of the way. We’re here to listen and help bring your project to life with clarity and confidence.
Proposal
Once we’ve gathered all the necessary information, we’ll provide you with a detailed proposal outlining the scope of work, project timeline, and costs. We strive for transparency and will walk you through each element to ensure you have a clear understanding of what to expect.
Permits & Inspections
Navigating permits and inspections can be daunting, but we handle it all for you. From securing necessary approvals to coordinating inspections, we ensure that your project meets all legal requirements, keeping everything on track and up to code.
Design
Our design phase is where your vision starts taking shape. We work closely with you to create customized plans that reflect your style and functional needs. Whether it’s a new layout or an updated aesthetic, we’ll refine every detail until you’re completely satisfied.
Construction & Final Walkthrough
With permits secured, we build your dream project to perfection. Our team executes every detail with quality craftsmanship. After construction, we conduct a comprehensive final walkthrough with you, ensuring satisfaction and offering ongoing support so you can enjoy your completed space.
Built By Step Up
Still deciding on the perfect ADU? Take a look at our inspiration gallery and discover how an ADU can enhance your home and lifestyle.
Step Up Construction, Your Addition Builder Partner
Licensed & Insured Addition Builder Team
When it comes to home additions, you need a team you can trust. With Step Up Construction Co., you can feel secure knowing your project is in the hands of fully licensed and insured professionals who prioritize safety, quality, and integrity.
Permits & Paperwork? We Handle It
Navigating city regulations and approvals can be overwhelming. That’s why we take care of all the permits, zoning laws, and inspections, ensuring a smooth, hassle-free process from start to finish.
Clear, Open Communication
This is your home, your vision, and your lifestyle. We take the time to understand exactly what you need so we can build a space that truly works for you. And we keep you informed at every stage so you always know what’s happening and what to expect.
Minimal Disruption to Your Daily Life
We respect your home like it’s our own. Our team works efficiently and with care, keeping your space clean and your routine uninterrupted. No unexpected costs. No unnecessary delays. Just honest, quality work.
What Homeowners Are Saying
Expanding Homes Across the Bay Area
Locations We Serve
- Alamo
- Atherton
- Belmont
- Burlingame
- Campbell
- Cupertino
- Danville
- Dublin
- Freemont
- Hayward
- Livermore
- Los Altos
- Los Gatos
- Menlo Park
- Milpitas
- Moraga
- Morgan Hill
- Mountain View
- Newark
- Orinda
- Palo Alto
- Pleasant Hill
- Pleasanton
- Redwood City
- San Carlos
- San Jose
- San Leandro
- San Ramon
- Santa Clara
- Saratoga
- Sunnyvale
- Union City
- Walnut Creek
- ...And More!
Frequently Asked Questions
The cost of a home addition varies depending on several factors, including the size of the project, design complexity, materials used, and structural modifications required. A simple room addition may cost significantly less than a full second-story addition or an extension requiring major plumbing and electrical work.
At Step Up Construction Co., we believe in transparency. That’s why we provide detailed, itemized estimates upfront, outlining all costs associated with your project. This way, you’ll know exactly what to expect, with no hidden fees or surprises along the way.
The timeline for a home addition depends on the project’s scope, design complexity, permit approvals, and any unexpected site conditions. Smaller additions, like a new bedroom or home office, may take as little as 2-4 months, while larger or more intricate projects, such as multi-room expansions or second-story additions, can take 6-9 months or longer.
Before construction begins, we provide a clear project schedule outlining each phase of the process, from planning and permitting to construction and final inspections. We also keep you updated along the way, ensuring a smooth and predictable experience.
Yes, in most cases, home additions require city permits and inspections to ensure they meet local building codes and zoning regulations. Permit requirements vary depending on the type of addition, but they are essential for ensuring the safety, legality, and long-term value of your home.
The permitting process can be complex, but Step Up Construction Co. takes care of everything for you. We handle all necessary permits, coordinate inspections, and ensure your addition is fully compliant so you can focus on the excitement of your home transformation without the stress of paperwork.
Absolutely! One of our top priorities is ensuring that your new addition looks like a natural extension of your existing home. Our team carefully considers architectural details, exterior materials, rooflines, and interior finishes to create a cohesive design that enhances both functionality and aesthetics.
In most cases, yes! We take great care to minimize disruptions, keep the job site clean, and ensure safety throughout the construction process. If your addition is a single-story extension or an extra room, you can usually remain in your home with minimal inconvenience.
However, for major renovations (such as second-story additions, significant structural modifications, or projects requiring extensive electrical or plumbing work) temporary relocation may be the best option for your comfort and safety. If this is necessary, we will discuss it with you in advance and help you plan accordingly.
Ready to Step Up Your Project?
Let’s chat about your ideas! Whether you have a specific plan or just a few questions, our team is here to help you every step of the way. Get in touch, and let’s turn your vision into reality.
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