What does the street number or name change petition request?

It asks Napa County to accept and approve proposed new or changed street numbers or a new or changed street name for the street shown on an attached map.

What attachments does the petition require?

Attach a site plan or map. For a street number change, the map must show surrounding parcel numbers and owner names, dwelling units and accessory structures, and driveways from the main road to each dwelling unit.

Do I need a notary for the street number or name change petition?

No. The petitioner signs and dates the form; the packet does not specify a notarized or sworn attachment.

Napa County, CA · Napa County

No notary required

Petition for Proposed New Street Number or Street Name Change

Property owners use this petition to ask Napa County to approve new or changed street numbers or a street name.

At a glance

Issued by: City of Napa County · Napa County, Napa County, California
Notarization: Not required: file this form without a notary.
Official source: napacounty.gov
Blank form: Download the PDF
Catalogued: Oct 5, 2026
Machine-readable: JSON record · about the forms index

What this form is

This packet lets a petitioner request new or changed street numbers, or a street name change, for a street identified on an attached map. It asks for the proposed and existing numbers, location, parcel number, petitioner contact details, and signature. Street name changes and multiple address number changes also require property-owner petition signatures; the packet includes map pages and sample maps.

Who needs it

A property owner seeking new or changed street numbers or a street name for a street in Napa County can use this petition.

How to submit it

The form identifies Napa County Planning, Building, and Environmental Services at 1195 Third Street, Suite 210, Napa, California 94559. It does not state how to submit the completed packet.

About notarization

This document is signed without a notary; the petitioner signs and dates the form, and no notarized or sworn attachment is specified.

How to submit this form

1
Download the Petition Packet
Download the packet, which includes the petition, map pages, and sample maps.
2
Complete the Petition
Enter the proposed and existing street numbers, location, parcel number, petitioner contact information, and signature and date.
3
Gather Maps and Signatures
Attach the applicable site plan or map. For a street name change or multiple address number changes, include property-owner signatures.
4
Submit to Napa County
The form names Napa County Planning, Building, and Environmental Services and lists its Napa address; it does not specify a submission method.

Frequently asked questions

What does the street number or name change petition request?: It asks Napa County to accept and approve proposed new or changed street numbers or a new or changed street name for the street shown on an attached map.
What attachments does the petition require?: Attach a site plan or map. For a street number change, the map must show surrounding parcel numbers and owner names, dwelling units and accessory structures, and driveways from the main road to each dwelling unit.
Do I need a notary for the street number or name change petition?: No. The petitioner signs and dates the form; the packet does not specify a notarized or sworn attachment.
How do I submit the street number or name change petition?: The form lists Napa County Planning, Building, and Environmental Services at 1195 Third Street, Suite 210, Napa, California 94559, but does not give submission instructions.

Need something notarized?

This Petition for Proposed New Street Number or Street Name Change doesn’t need a notary, but if you have another Napa County form that does, a commissioned online notary can help.