Pre-approved in Napa County

    Pre-Approved ADU Builder in Napa County

    ADORE Homes is a licensed design-build firm with ADU plans in Napa County's pre-approved program. We handle feasibility, design, engineering, permits and construction, with manufactured and Signature site-built models starting from $257,900.

    CSLB #1145340 · HCD #DL1573381 · Estimates are non-binding and subject to a site visit.

    Why build with ADORE in Napa County

    • Plans already on file in Napa County's pre-approved program
    • Manufactured offsite or Signature site-built - matched to your lot
    • One team from feasibility to final inspection
    • Itemized pricing including soft costs and city fees

    Our process

    1. Free feasibility study for your Napa County address
    2. Choose a pre-approved model or a custom Signature design
    3. Design, engineering and Title 24
    4. Permitting with Napa County
    5. Site work, foundation and utilities
    6. Build, inspections and handover
    Napa County pre-approved ADU program

    Napa County ADU questions

    Is ADORE Homes a pre-approved ADU builder in Napa County?

    Yes. ADORE Homes has ADU plans on file in Napa County's pre-approved ADU program, which can shorten plan check compared with a fully custom submittal. Exact timelines depend on your lot and the county's current review queue.

    How much does an ADU cost in Napa County?

    ADORE models start from $257,900. Most projects in Napa County land in the $260,000 to $450,000+ range all-in, depending on size, site work, utilities and finishes. All estimates are non-binding and subject to a site visit and feasibility study.

    How long does it take to build an ADU in Napa County?

    Plan on roughly 10 to 16 months from first meeting to move-in: 1-2 months of design and feasibility, permitting (shorter with pre-approved plans), then 4-8 months of site work and construction.

    Does ADORE handle permits in Napa County?

    Yes. We manage the full permit package in Napa County - drawings, engineering, Title 24, submittal, plan-check responses and inspections - through final sign-off.