Lassen County M-1 zoning: height, setbacks and lot size

M-1 (LIGHT INDUSTRIAL DISTRICT) is a zoning district in Lassen County. Every value below was read from the Lassen County Municipal Code and links to its section (read October 2026). State laws such as the ADU and SB 9 rules can allow more on a residential lot. General information, not legal advice — read the code text and check with the city before you build.

Development standards in M-1

The general rule for a typical lot in this zone. Zoning tables often attach notes, such as rules for corner lots, lots next to a residential zone, or new subdivisions only. Open “code text” under a value to see the table cell or sentence it was read from.

Minimum front setback	None required § 18.42.050 · code text None, except that buildings shall not be less than fifty feet from the centerline of any public roadway.
Minimum side setback	None required Applies: 25 ft when adjacent to R zones, plus 1 ft per foot of height over 35 ft; buildings at least 50 ft from roadway centerline § 18.42.050 · code text None, except that it shall be twenty-five feet when adjacent to R zones; this twenty-five-foot minimum shall be increased one foot for every foot over thirty-five feet of building height, and except that buildings shall not be less than fifty feet from the centerline of any public roadway.
Minimum rear setback	10 ft Applies: 25 ft when adjacent to R zones, plus 1 ft per foot of height over 35 ft; buildings at least 50 ft from roadway centerline § 18.42.050 · code text Ten feet except that it shall be twenty-five feet when the rear yard is adjacent to R zones; this twenty-five-foot minimum shall be increased one foot for every foot over thirty-five feet of building height, and except that buildings shall not be any less than fifty feet from the centerline of any public roadway.
Minimum lot size	14,000 sq ft § 18.42.050 · code text Fourteen thousand square feet.

When a different number applies

The code sets other values for particular lots, buildings or locations in M-1:

Minimum front setback: 50 ft — From the centerline of any public roadway § 18.42.050
Minimum side setback: 25 ft — When adjacent to R zones; increased one foot for every foot over 35 feet of building height § 18.42.050
Minimum side setback: 50 ft — From the centerline of any public roadway § 18.42.050
Minimum rear setback: 25 ft — When the rear yard is adjacent to R zones; increased one foot for every foot over 35 feet of building height § 18.42.050
Minimum rear setback: 50 ft — From the centerline of any public roadway § 18.42.050

Not on this page

We did not find a general height, stories, lot coverage, FAR, density limit for M-1 in the zoning tables we read. The code may still set one elsewhere — check the Lassen County Municipal Code.

Other Lassen County zoning districts

Who this affects

HomeownersArchitects and designersDevelopersReal estate agents

Frequently asked questions

What is the minimum front setback in Lassen County's M-1 zone?

None required — Lassen County Municipal Code § 18.42.050.

What is the minimum side setback in Lassen County's M-1 zone?

None required (25 ft when adjacent to R zones, plus 1 ft per foot of height over 35 ft; buildings at least 50 ft from roadway centerline) — Lassen County Municipal Code § 18.42.050.

What is the minimum rear setback in Lassen County's M-1 zone?

10 ft (25 ft when adjacent to R zones, plus 1 ft per foot of height over 35 ft; buildings at least 50 ft from roadway centerline) — Lassen County Municipal Code § 18.42.050.

What is the minimum lot size in Lassen County's M-1 zone?

14,000 sq ft — Lassen County Municipal Code § 18.42.050.

General information, not legal advice.