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Napa, California · County government

Planning, Building & Environmental Services

Find building permits, plan review and construction inspections. Find zoning maps and official property land-use information.

Source checked October 14, 2026[1]
Go to the official website (opens in a new tab)
Website address
www.napacounty.gov

Opens this office’s own website. CountyWiki does not process applications, take payments or provide personal records.

Contact details & office locations ↓
Building permits for unincorporated Napa County. Properties in cities and towns use their own jurisdictions.[2]

Online services & information

These links were found on official source pages. Each service is handled by the office.

County building permit information (opens in a new tab)[3]Official instructions

Official county building permit guidance. Service boundaries and project requirements must be confirmed with the department.

How to get started
  1. Confirm which county or city agency handles the property before applying.
  2. Review the official requirements for your project and use the published application channel.

Before you start

Information & documents · Building permit applications
Effective January 1, 2024, All Building Permit Applications will be handled digitally through the Online Permit Center. [12]
Information & documents · Project documents
If Document Files are required to be provided for your project type, the document files must comply with Napa County’s Electronic Submittal Standards. NOTE: Failure to attach required documents in the required format will cause your application to be delayed or rejected. [13]
Online Permit Center: Getting Started (opens in a new tab)[4]Official instructions

Official permitting resource linked by the department. Check the available permit types and application instructions before starting.

How to get started
  1. Confirm which county or city agency handles the property before applying.
  2. Review the official requirements for your project and use the published application channel.
Building Inspection (opens in a new tab)[5]Official instructions

Official building inspection information. Confirm the request method, permit details and inspection timing with the department.

How to get started
  1. Confirm which county or city agency handles the property before applying.
  2. Review the official requirements for your project and use the published application channel.
Napa County Public Map (opens in a new tab)[6]Official instructions

Official property research or mapping resource linked from the permit information. Use the department to confirm jurisdiction and project requirements.

How to get started
  1. Confirm which county or city agency handles the property before applying.
  2. Review the official requirements for your project and use the published application channel.

Fees

Fees are quoted only when a source document supports the amount and conditions.

Fee amounts have not been reviewed for this office.

Check the official website for its current fee schedule. No fee should be assumed to be free.

Forms & documents

Official forms and document pages for this office’s services.

Sources & last checked2 source pages · 13 citations

Sources were checked by an AI-assisted research process. A checked website does not mean every service or fee on it has been reviewed.

  1. [1] Napa — building permit department (opens in a new tab)

    Napa County · Official page text containing: Planning, Building & Environmental Services
    Source reviewed October 14, 2026

    View supporting excerpt
    ty Home /QuickLinks.aspx ADA Information Web Policies Website Accessibility Google Translate Information Home Directory Planning, Building & Environmental Services Building Division Building Division Department Contact Information (click here) Building Division Office Hours: 8 a.m. to 5 p.m. Monday through Friday Permit Center Walk-in Hours: 8 a.m. to 4 p.m. Monday through Friday Appointments by request: 8 a.m. to 5 p.m. Monday through Friday Our offices are closed on County holidays. Schedule an Inspection How to use
  2. [2] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: This building permit application process is for projects located in the unincorporated areas of Napa County.
    Source reviewed October 14, 2026

    View supporting excerpt
    Online Permit Center. Follow these steps for the Building Permit Application process: Step 1: Location and Project Type This building permit application process is for projects located in the unincorporated areas of Napa County. To determine if your property is in the unincorporated County, you can use the Napa County Public Map to look up information about your property with either the address or Assessor Parcel Number (APN). Note: building permits for properties in cities and towns are handled by those jurisdictions directly. Determine if your project requires a permit. Most work
  3. [3] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Building Permit Process
    Source reviewed October 14, 2026

    View supporting excerpt
    Loading Skip to Main Content How Do I? Government Departments Services Search Back to County Home /QuickLinks.aspx Building Permit Process Online Permit Center: Getting Started Online Permit Center Building Forms and Checklists AB 2533 Submittal Checklist Residential New Checklist Fees & Payments Building Inspection Building Plan Review Permit Alterations and Extensions Accessory Dwelling Units (ADUs) Rebuilding After Fire Public Records Search Email the Building Division Temporary Certificate
  4. [4] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Online Permit Center: Getting Started
    Source reviewed October 14, 2026

    View supporting excerpt
    n Content How Do I? Government Departments Services Search Back to County Home /QuickLinks.aspx Building Permit Process Online Permit Center: Getting Started Online Permit Center Building Forms and Checklists AB 2533 Submittal Checklist Residential New Checklist Fees & Payments Building Inspection Building Plan Review Permit Alterations and Extensions Accessory Dwelling Units (ADUs) Rebuilding After Fire Public Records Search Email the Building Division Temporary Certificate of Occupancy Procedures Home Departme
  5. [5] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Building Inspection
    Source reviewed October 14, 2026

    View supporting excerpt
    nline Permit Center Building Forms and Checklists AB 2533 Submittal Checklist Residential New Checklist Fees & Payments Building Inspection Building Plan Review Permit Alterations and Extensions Accessory Dwelling Units (ADUs) Rebuilding After Fire Public Records Search Email the Building Division Temporary Certificate of Occupancy Procedures Home Departments Planning, Building & Environmental Services Building Division Building Permit Process Building Permit Process Effective January 1, 2024,
  6. [6] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Napa County Public Map
    Source reviewed October 14, 2026

    View supporting excerpt
    the unincorporated areas of Napa County. To determine if your property is in the unincorporated County, you can use the Napa County Public Map to look up information about your property with either the address or Assessor Parcel Number (APN). Note: building permits for properties in cities and towns are handled by those jurisdictions directly. Determine if your project requires a permit. Most work does require a permit, visit Codes (ca.gov) for new 2025 California Building Standards Codes. Step 2:
  7. [7] Napa — building permit department (opens in a new tab)

    Napa County · Official page text containing: 707-253-4417
    Source reviewed October 14, 2026

    View supporting excerpt
    ted phone system to schedule your inspection. Physical Address 1195 Third Street, 2nd Floor Napa, CA 94559 Phone Number 707-253-4417 Email Us Email Building Division DG David Giudice Chief Building Official Chief Building Official Email David Giudice 707-299-1347 JR Jim Reeves Deputy Chief Building Official Deputy Chief Building Official Email James Reeves 707-299-1340 CE Charles Exum Inspector II Inspector II Email Charles Exum 707-253-4376 BH Brent Hebb Inspector II Inspector II Email
  8. [8] Napa — building permit department (opens in a new tab)

    Napa County · Official page text containing: 1195 Third Street, 2nd Floor Napa, CA 94559
    Source reviewed October 14, 2026

    View supporting excerpt
    ty holidays. Schedule an Inspection How to use the automated phone system to schedule your inspection. Physical Address 1195 Third Street, 2nd Floor Napa, CA 94559 Phone Number 707-253-4417 Email Us Email Building Division DG David Giudice Chief Building Official Chief Building Official Email David Giudice 707-299-1347 JR Jim Reeves Deputy Chief Building Official Deputy Chief Building Official Email James Reeves 707-299-1340 CE Charles Exum Inspector II Inspector II Email Charles Exum 707-253-4376 BH Brent Hebb Inspec
  9. [9] Napa — building permit department (opens in a new tab)

    Napa County · Official page text containing: 8 a.m. to 5 p.m. Monday through Friday
    Source reviewed October 14, 2026

    View supporting excerpt
    ervices Building Division Building Division Department Contact Information (click here) Building Division Office Hours: 8 a.m. to 5 p.m. Monday through Friday Permit Center Walk-in Hours: 8 a.m. to 4 p.m. Monday through Friday Appointments by request: 8 a.m. to 5 p.m. Monday through Friday Our offices are closed on County holidays. Schedule an Inspection How to use the automated phone system to schedule your inspection. Physical Address 1195 Third Street, 2nd Floor Napa, CA 94559 Phone Number 707-253-4417 Email U
  10. [10] Napa — building permit department (opens in a new tab)

    Napa County · Official page text containing: 8 a.m. to 4 p.m. Monday through Friday
    Source reviewed October 14, 2026

    View supporting excerpt
    mation (click here) Building Division Office Hours: 8 a.m. to 5 p.m. Monday through Friday Permit Center Walk-in Hours: 8 a.m. to 4 p.m. Monday through Friday Appointments by request: 8 a.m. to 5 p.m. Monday through Friday Our offices are closed on County holidays. Schedule an Inspection How to use the automated phone system to schedule your inspection. Physical Address 1195 Third Street, 2nd Floor Napa, CA 94559 Phone Number 707-253-4417 Email Us Email Building Division DG David Giudice Chief Building Official C
  11. [11] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Building Forms and Checklists
    Source reviewed October 14, 2026

    View supporting excerpt
    Back to County Home /QuickLinks.aspx Building Permit Process Online Permit Center: Getting Started Online Permit Center Building Forms and Checklists AB 2533 Submittal Checklist Residential New Checklist Fees & Payments Building Inspection Building Plan Review Permit Alterations and Extensions Accessory Dwelling Units (ADUs) Rebuilding After Fire Public Records Search Email the Building Division Temporary Certificate of Occupancy Procedures Home Departments Planning, Building & Environmental Services Bui
  12. [12] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: Effective January 1, 2024, All Building Permit Applications will be handled digitally through the Online Permit Center.
    Source reviewed October 14, 2026

    View supporting excerpt
    Effective January 1, 2024, All Building Permit Applications will be handled digitally through the Online Permit Center.
  13. [13] Napa County — building permit process (opens in a new tab)

    Napa County · Official page text containing: If Document Files are required to be provided for your project type, the document files must comply with Napa County’s E
    Source reviewed October 14, 2026

    View supporting excerpt
    If Document Files are required to be provided for your project type, the document files must comply with Napa County’s Electronic Submittal Standards. NOTE: Failure to attach required documents in the required format will cause your application to be delayed or rejected.
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