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About Our Company

The Company


Founded by Thom Buchanan in 2002. Hammerhouse Construction has since evolved from a small project construction company to a business executing more complex full-service construction projects with a concentration on high-end custom residential homes and renovations.

As a Green Builder, Hammerhouse Construction is committed to build healthy, resource-efficient living environments and minimize the impact of our work on the earth's environment. We recycle, conserve water and energy, and use environmentally friendly materials. We are a Build It Green Member and a LEAD-safe EPA certified company.

We work closely with the architect and interior designers to ensure that your project is exactly what you envision. We are headquartered in the San Francisco Bay Area, and have been fortunate to work for a diverse array of growing and thriving architecture and design firms in the following areas:   

  • Large Additions (both horizontal & vertical addition)     
  • Whole House Remodel

  • Garage Conversions

  • Multi-Level Projects


Hammerhouse Construction is well connected within the San Francisco Bay Area and has vetted relationships with architects, designers, engineers, subcontractors, and suppliers and can offer our clients construction services for their project from start to finish.


Hammerhouse Construction is fully licensed, bonded and insured, accredited by BBB, EPA certified, a Build It Green Member, has received 5-star ratings on YELP, listed with Houzz, and volunteers for Rebuilding Together.

Coit Towers, San Francisco

Hammerhouse Construction is well connected within the San Francisco Bay Area and has vetted construction-industry relationships.

"We were very impressed with HammerHouse Construction's professionalism and experience from the onset."

    - JB, Austin Texas


Our Mission

Hammerhouse Construction’s mission is to realize your vision, on time, and on budget. Our Customer Satisfaction Commitment:


  • Understanding our customers' needs: From the very first meeting to the last handshake, communication throughout the process is key for reaching our common goal; to realize a vision, on time, and on budget.


  • Quality and Efficiency: Our experienced and talented employees take pride in their work.  Their quality workmanship combined with efficiency turns every project into a rewarding experience for both the customer and us.


  • Flexibility: Each project is unique and will present its own number of challenges.  We have the experience and mindset to quickly adapt and offer solutions in order to minimize downtime and move the project forward.

We are detailed oriented.

Our Founder


Thom is a Bay Area native and has a BA from Notre Dame de Namur University in Belmont, CA and a Degree in Illustration from the Academy of Arts in San Francisco.  After having worked in advertising, sales, and construction. Thom earned his General Building Contractor B License in 2002; leading him to launch Hammerhouse Construction.


Thom's success in the construction industry is due in part to his passion for the creative process which he is able to meld with his construction prowess. Thom also prides himself in recruiting experienced and talented employees who take pride in their work and customer satisfaction, and the creative and independent mind of Thom are key contributors to the success and growth of Hammerhouse Construction

Thomas Buchanan, Owner Hammerhouse Construction

Thomas Buchanan

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