Signs on homes in Napa: the local rules

Each rule below links to the section of the Napa Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Napa's code says

Napa code What Napa's code adds
Election and other noncommercial signs	2 temporary noncommercial signs Applies: Residential zones; general rule; each parcel, at all times § 17.55.120 · code text In residential zones only, each parcel is allowed two temporary noncommercial signs at all times. 8 square feet in area per sign Applies: Residential zones; general rule § 17.55.120 · code text A sign may not exceed eight square feet in area (16 square feet cumulatively). 16 square feet cumulatively Applies: Residential zones; general rule § 17.55.120 · code text A sign may not exceed eight square feet in area (16 square feet cumulatively). 4 feet in height Applies: Front or side-yard areas in residential zones, from the adjacent ground level § 17.55.120 · code text A sign may not exceed four feet in height from the adjacent ground level in front or side-yard areas or three feet in height from the top of any wall or fence. 3 feet in height Applies: From the top of any wall or fence in residential zones § 17.55.120 · code text A sign may not exceed four feet in height from the adjacent ground level in front or side-yard areas or three feet in height from the top of any wall or fence. 36 square feet in area per parcel Applies: Residential zones during any election period § 17.55.120 · code text In residential zones, the number of temporary noncommercial signs may be increased beyond the number permitted in Section 17.55.120(H)(1)(a) provided that the total sign area for all temporary noncommercial signs does not exceed 36 square feet in area per parcel. Remove within 7 days following the end of the election period Applies: Residential zones during an election period § 17.55.120 · code text All of the temporary noncommercial signs permitted during an election period pursuant to this Subsection must be removed within seven days following the end of the election period.
Signs that need no permit	Real estate sign needs no sign permit Applies: Residential-zoned property during a real estate marketing period; sign must comply with this section § 17.55.120 · code text Any sign that is in compliance with the requirements of this section: (1) will not require a sign permit under this chapter; Garage sale signs need no sign permit Applies: Residential-zoned property; sign must comply with this section § 17.55.120 · code text Any sign that is in compliance with the requirements of this section: (1) will not require a sign permit under this chapter; Temporary noncommercial signs, including election signs, need no sign permit Applies: Residential zones; sign must comply with this section § 17.55.120 · code text Any sign that is in compliance with the requirements of this section: (1) will not require a sign permit under this chapter;
For-sale and open-house signs	1 sign Applies: Residential-zoned property during a real estate marketing period § 17.55.120 · code text On residential-zoned property, one sign not exceeding eight square feet in area and not exceeding five feet in height. 8 square feet in area Applies: Residential-zoned property during a real estate marketing period § 17.55.120 · code text On residential-zoned property, one sign not exceeding eight square feet in area and not exceeding five feet in height. 5 feet in height Applies: Residential-zoned property during a real estate marketing period § 17.55.120 · code text On residential-zoned property, one sign not exceeding eight square feet in area and not exceeding five feet in height.
Other temporary signs	Up to 4 signs Applies: Residential-zoned property; garage sale signs; only on the site where the sale is held § 17.55.120 · code text Up to four signs not to exceed six square feet in area each are allowed on residential-zoned property and only on the site where the sale is to be conducted. 6 square feet in area each Applies: Residential-zoned property; garage sale signs § 17.55.120 · code text Up to four signs not to exceed six square feet in area each are allowed on residential-zoned property and only on the site where the sale is to be conducted. No more than 24 hours before the start of the sale Applies: Residential-zoned property; garage sale signs; remove at the end of the sale § 17.55.120 · code text Such signs may be posted for no more than 24 hours prior to start of the sale and must be removed at the end of the sale. 6 square feet or 25 percent of the window, whichever is greater Applies: Residential zones; 1 temporary window sign per residential unit on each building frontage § 17.55.120 · code text In residential zones, for each residential unit, one temporary window sign, not to exceed six square feet in area or 25 percent coverage of the window, whichever is greater, is permitted on each building frontage.

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Frequently asked questions

What signs may I put up at my home in Napa?

Napa's code: 2 temporary noncommercial signs (Residential zones; general rule; each parcel, at all times) (§ 17.55.120); 8 square feet in area per sign (Residential zones; general rule) (§ 17.55.120).

Signs on homes in Napa

What Napa's code says

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