Overview
AltArc Construction is a Bay Area remodeling contractor focused on residential renovations, additions, ADUs, repairs, and project coordination. Our leadership brings 10+ years of construction experience, supported by a core crew with 20+ years of hands-on expertise in remodeling and finish work. We believe good construction starts with a clear scope, realistic planning, and steady communication throughout the project. At AltArc, we use a shared cloud project board to keep clients informed with progress photos, schedule updates, receipts, and written change orders. This helps make the process more organized, more transparent, and easier to follow from start to finish. We approach every project with the same goal: deliver solid work, keep communication clear, and leave clients with a finished result they can feel good about.
Led by founder Jiaxu Sun who brings over a decade of hands on construction management experience our company is supported by a master team with over twenty years of industry expertise. This unique combination of modern project management and veteran craftsmanship ensures that your project is executed with both innovative efficiency and deep rooted technical perfection. We manage the chaos the logistics and the heavy lifting so you receive a structurally sound and incredibly beautiful home.
Our Proven Construction Process
On Site Evaluation and System Diagnosis
Fixed Scope Proposal and City Permitting
Material Readiness and Clean Demolition
Synchronized Execution and Remote Tracking
City Inspections and Flawless Delivery
Our Core Commitments to You
Fully Licensed
and Insured
Your home is your biggest asset and you should never trust it to an unverified crew. As a fully licensed California contractor we guarantee that every phase of your project is legal strictly up to code and fully permitted. We protect your investment from start to finish.
Fixed Pricing with
Zero Hidden Fees
The biggest fear in remodeling is the bait and switch budget. We eliminate this anxiety by providing a highly detailed fixed scope proposal before any work begins. Once we commit to a price there are no surprise fees and no sudden cost increases mid project.
Trackable Progress
and Communication
You should never have to guess if workers will show up today. We provide a highly organized construction schedule and proactive daily updates. You can easily track our high quality progress and see exactly what is happening behind your walls directly from your phone.
Long Term
Workmanship Warranty
A true professional does not disappear after the final payment. We stand proudly behind the quality of our builds. We provide a comprehensive warranty on our craftsmanship ensuring that your new space remains flawless and structurally sound long after the job is done.
Ready To Discuss Your Project?
