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Transform your San Francisco residence with Lavan Construction's premier Home Addition services. Our team of expert designers and builders is at the forefront of expanding your living space, providing the expertise and creativity needed to enhance your home's value and functionality. Whether you're dreaming of a sunlit reading nook, a spacious family room, or an elegant second story with sweeping city views, we bring your vision to life with meticulous attention to detail and a commitment to excellence.

Nestled in the vibrant heart of San Francisco, our Home Addition projects are designed to blend seamlessly with the city's unique architectural tapestry. We navigate the city's strict zoning laws and historical guidelines with ease, ensuring your addition not only meets but exceeds local standards. At Lavan Construction, we understand that a home addition is more than just an extra room—it's an investment in your lifestyle and your property's future.

We take a collaborative approach, engaging you in every step of the process—from initial design to the final touches. Our team is dedicated to creating a space that resonates with your personal style while optimizing the potential of your San Francisco home. With a keen eye for design and an unwavering dedication to craftsmanship, Lavan Construction is your partner in crafting a home addition that stands the test of time.

Embrace the luxury of extra space and the joy of a custom addition tailored to your needs. Let Lavan Construction elevate your San Francisco home with a beautiful, bespoke addition that reflects the spirit of the city and the essence of your lifestyle.


At Lavan Construction, we stand out from other home addition companies due to our unwavering dedication to delivering a superior service experience. We understand that adding to your home is a big decision, and we are committed to making the process as smooth and stress-free as possible. Here are some of the things that set us apart:


​1. Heritage-Driven Craftsmanship: In the historic and culturally rich landscape of San Francisco, Lavan Construction's home additions are a homage to the city's architectural heritage. Our approach is deeply rooted in respecting the past while forging the future. We don't just add space; we enhance the story of your home, ensuring every expansion is in harmony with San Francisco's iconic style. Our mastery of blending new structures with timeless designs stands testament to our commitment to heritage-driven craftsmanship.

​2. Sustainable Innovation: As San Francisco marches towards a greener, more sustainable future, Lavan Construction leads the charge with eco-friendly building practices. Our home additions are thoughtfully designed to reduce environmental impact, utilizing cutting-edge materials and energy-efficient technologies. We are not just builders; we are innovators committed to sustainability, ensuring your home addition contributes positively to both your life and the planet.

inside of new home addition in San Francisco CA.jpg
outside of new home addition in San Francisco CA
garage of new home addition in San Francisco CA.jpg


Fahid and Moein are a father and son team who have built a successful one-stop-shop construction company in San Francisco California. Fahid founded the company in 1982, and in 2016, Moein took over as the company's leader, bringing a fresh perspective and a unique construction approach. Together, they have grown the company to be the fastest-growing construction company in the area.


bump outs home addition in San Francisco CA


Our expertly designed bump outs maximize your living space without the footprint of a full addition.

sunrooms home addition in San Francisco CA


Our sunrooms invite the California sunshine in, creating a tranquil retreat for all seasons.

second stories home addition in San Francisco CA


For those seeking grandeur, our second-story additions offer a new realm of possibilities, expanding your horizon with breathtaking views and luxurious space.



Crafting interiors that reflect your style and elevate comfort, Transforming exteriors into captivating, timeless architectural expressions


Crafting interiors that reflect your style and elevate comfort, Transforming exteriors into captivating, timeless architectural expressions


Crafting interiors that reflect your style and elevate comfort, Transforming exteriors into captivating, timeless architectural expressions

Crafting interiors that reflect your style and elevate comfort, Transforming exteriors into captivating, timeless architectural expressions


Uncover the TRUE cost

  • Book FREE Consult

  • Meet at Lavan's Sunnyvale showroom

  • Project discussion and assessment

  • City ordinance and permit analysis


Site Inspection

  • Site visit for additional details

  • Price review and adjustments


Formal Agreement

  • Presentation of Lavan's official offer

  • Contract and details presentation

  • Agreement signing

  • Project start date scheduling


Smooth Execution

  • Create a Slack channel

  • Continue all communication on the platform

  • Homeowner enjoys a smooth project experience


Interior and Exterior Finishes

  • Exterior Work

  • Interior Finishes


Quality Control, Inspections, and Client Handover

  • Quality Assurance

  • Regulatory Inspections

  • Client Walkthrough

  • Documentation and Handover


1. What are the different types of home additions?

Bump outs: These are small extensions of existing rooms. They are typically less expensive than full-size additions. 

Second stories: These are additions that add an entire new floor to your home.   

Master suites: These are additions that create a private suite for the master bedroom. 

Sunrooms: These are additions that add a room with large windows and doors that let in natural light. 

Garages: These are additions that add a garage to your home. 

2. How much does a home addition cost?

The cost of a home addition can vary greatly depending on the size, complexity, and materials used. However, it is generally more expensive than a remodeling project.

3. How long does a home addition take?

The time it takes to complete a home addition also depends on the size, complexity, and materials used. However, it is generally longer than a remodeling project.




I want to highlight the Lavan team for their attention, professionalism and dedication. It is a serious, responsible and organized company that, from the planning of the project, shows total interest in every detail. Furniture at the forefront of construction. The execution is magnificent and the result of the work is wonderful. I totally recommend this company. Thanks for your wonderful work.



I want to thank LAVAN for their professionalism, dedication and dedication to our project, they met and exceeded our expectations, their support was very important, they were always willing to listen, they managed to identify our need and developed impeccable work, the planning and execution of the project was wonderful, their impeccable work, they have a team of professionals ready and willing for development and the most important thing is that they think of benefit and customer satisfaction, it is an excellent company.



I don't have enough words to express my heartfelt thanks and gratitude to Lavan for their superior services in transforming my home. From the moment I dealt with them and put forth my needs and wants, they were amazingly accommodating to my vision. Working with the Lavan team has been a smooth ride, they are very professional and passionate in providing care "The Lavan team really surprised me by exceeding my expectations and helped me achieve my dream home


Contact Us


500 W El Camino Real, Sunnyvale, CA 94087


Opening Hours

Mon - Fri

8:30 am – 4:30 pm


10:00 am – 3:00 pm



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