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City of Grass Valley Home Occupation and Home Business Guide

Jurisdiction: Grass ValleyCode Version: September 23, 2025

Residents of the City of Grass Valley may operate a home business, provided the activity remains incidental to the residential use and adheres to strict operational limits. A City of Grass Valley business license is mandatory for all home occupations, and the business must not occupy more than 25% of the home's ground floor area [Section 17.44.100].

Permitted Zoning Districts

The City of Grass Valley allows home occupations as a permitted ("P") use in a wide variety of zones. The following table outlines where these businesses are allowed:

Zone Type Specific Districts Permission Level
Residential Zones RE, R-1, R-2, R-2A, R-3 Permitted (P)
Traditional Community Zones TC, NC, NC-Flex, NG-3, NG-2 Permitted (P)
Commercial Zones C-1, C-2, C-3, OP Permitted (P)
Industrial/Special Purpose M-1, M-2, OS, REC, P Not Allowed

[Table 2.1, Table 2.2, Table 2.3, Table 2.4, Table 2.5, Table 2-7, Table 2-10]

Home Occupation Operating Standards

To preserve the character of neighborhoods, the City of Grass Valley enforces specific standards for any home-based business.

Feature Standard/Requirement
Business License Required for all home occupations [Section 17.44.100.A]
Maximum Floor Area 25% of the gross floor area of the ground floor [Section 17.44.100.C.2]
On-site Employees Residents of the dwelling only (nonresidents require a Use Permit) [Section 17.44.100.C.8]
Operating Hours 9:00 a.m. to 8:00 p.m. for client/customer visits [Section 17.44.100.C.9]
Traffic Generation Maximum 8 vehicle trips per day [Section 17.44.100.C.9]
Client Limit Limited to one client or family at a time [Section 17.44.100.C.9]
Signage One nameplate only; maximum 1 sq. ft.; must be flush-mounted [Section 17.44.100.C.4]
Structure Mod. No exterior modifications allowed [Section 17.44.100.C.3]
Outdoor Storage Prohibited; no window displays allowed [Section 17.44.100.C.7]

Approved and Prohibited Business Types

The City of Grass Valley classifies businesses based on their impact on the surrounding residential environment.

Allowed Home Occupations

Typical approved uses include:

  • Art and craft work (ceramics, painting, photography, sculpture).
  • Tailors and sewing services.
  • Office-only uses (architects, attorneys, consultants, writers, electronic commerce).
  • One-on-one personal trainers.
  • Pet Grooming: Allowed only in the RE and R-1 zones with a Minor Use Permit, provided no pets stay overnight [Section 17.44.100.B].
  • Small-scale Wood/Metal Working: May be authorized with a Minor Use Permit [Section 17.44.100.D].

Prohibited Home Occupations

The following uses are strictly prohibited within a City of Grass Valley residence:

  • Adult entertainment activities or businesses.
  • Animal hospitals and boarding facilities.
  • Automotive and vehicle repair (body or mechanical), painting, or storage.
  • Construction contractor facilities and outdoor storage.
  • Dismantling, junk, or scrap yards.
  • Medical clinics, laboratories, or doctor's offices.
  • On-site retail sales (except for mail-order businesses with no on-site stock-in-trade).
  • Uses requiring explosives or highly combustible/toxic materials.
  • Welding and machine shop operations.

[Section 17.44.100.B.2]

General Requirements

The City of Grass Valley requires that the home occupation remain clearly secondary to the full-time use of the property as a residence [Section 17.44.100.C.1]. If a garage or enclosed accessory structure is used for the business, the resident must ensure that all required off-street parking spaces for the home are continually maintained [Section 17.44.100.C.2].

The City of Grass Valley also prohibits any home occupation that creates dust, electrical interference, fumes, glare, noise, or vibrations that can be detected at the property lines [Section 17.44.100.C.6]. Residents are not permitted to use or keep commercial vehicles on the premises for the home business, though standard passenger vehicles, vans, and pickup trucks under a one-and-one-half-ton capacity are allowed [Section 17.44.100.C.10].

Sections Cited

  • Section 17.44.100 - Home occupations
  • Section 17.100.020 - Definitions of specialized terms and phrases
  • Table 2.1 - Town Core (TC) Zone Allowed Land Uses and Permit Requirements
  • Table 2.2 - Neighborhood Center (NC) Zone Allowed Land Uses and Permit Requirements
  • Table 2.3 - Neighborhood Center-Flex (NC-Flex) Zone Allowed Land Uses and Permit Requirements
  • Table 2.4 - Neighborhood General 3 (NG-3) Zone Allowed Land Uses and Permit Requirements
  • Table 2.5 - Neighborhood General 2 (NG-2) Zone Allowed Land Uses and Permit Requirements
  • Table 2-7 - Allowed Land Uses and Permit Requirements for Residential Zones
  • Table 2-10 - Allowed Land Uses and Permit Requirements for Commercial and Industrial Zone

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City of Grass Valley Home Occupation and Home Business Guide | Grass Valley Zoning Guide