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Lake County, CA Home Business: Signage Rules (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Signs allowed
one per home occupation
Illumination
not permitted
Size, R1/R2/small SR lots
1 sq ft, flat on wall or fence
Size, other districts
2 sq ft, anywhere on parcel

Summary

A home business in unincorporated Lake County may display only one non-illuminated sign, capped at one square foot in R1, R2 and small SR lots or two square feet in other zoning districts.

These county ordinances apply to unincorporated areas of Lake County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

6. One (1) non-illuminated sign shall be permitted. In the "R1" and "R2" zoning districts and on lots of less than one (1) acre in the "SR" district, signs shall not exceed one (1) square foot in area, and shall be mounted flat against the wall of the dwelling or on the face of a fence. In other zoning districts where home occupation is allowed, signs shall not exceed two (2) square feet in area and may be located anywhere on the parcel.

Full Breakdown

Sec. 3(j)(6) sets the sign allowance for every home occupation permitted under the county's home occupation standard. Only one sign is allowed per home business, and it must be non-illuminated: no internally lit, backlit or neon signage is permitted regardless of district. Where the parcel sits in the R1 or R2 zoning district, or on an SR-zoned lot smaller than one acre, that single sign cannot exceed one square foot in area, and it must be mounted flat against the wall of the dwelling or on the face of a fence, meaning freestanding or pole-mounted signs are not an option in those districts.

In other zoning districts where home occupations are permitted, such as Rural Lands or Agricultural-zoned parcels, the sign allowance nearly doubles to two square feet in area, and the sign may be located anywhere on the parcel rather than being restricted to the dwelling wall or fence face. This sign rule sits inside the same home occupation package that also governs where the business may operate, staffing, deliveries and vehicle use, and it applies on top of, not instead of, the general sign standards in Article 45 for any other signage on the property unrelated to the home occupation.

Violations & Fines

Displaying more than one sign for a home occupation, using an illuminated sign, or exceeding the one or two square foot size cap for the applicable district violates Sec. 21-27.3(j)(6) and is enforceable under Article 61 of the Zoning Ordinance through correction notices and administrative or civil penalties.

Frequently Asked Questions

How big can my home business sign be in Lake County?
One square foot in the R1, R2 districts or on SR lots under one acre, or two square feet in other zoning districts where home occupations are allowed, under Sec. 21-27.3(j)(6).
Can my home business sign be illuminated?
No. Sec. 21-27.3(j)(6) requires the sign to be non-illuminated regardless of zoning district.
Where can I place a home occupation sign on my property?
In R1, R2 districts and small SR lots, it must be mounted flat against the dwelling wall or on a fence face. In other districts it may be placed anywhere on the parcel.
How many signs can a home business have?
Just one sign is permitted per home occupation under Sec. 21-27.3(j)(6), regardless of zoning district.

Sources & Official References

Other rules in Lake County

All Lake County rules

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