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San Luis Obispo County, CA Parking Rules: Commercial & Oversized Vehicles (2026)

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

Key Facts

Governing section
§ 22.30.040(B)
Storage defined as
Parked longer than two consecutive nights
Residential limit
No vehicles over 20 ft, beyond pickup/delivery
Moving van exception
One night while relocating a household
Rural exception
One 20+ ft unit on 5+ acre RR/RL parcels

Summary

San Luis Obispo County Code Sec. 22.30.040(B) bars commercial vehicles longer than 20 feet from being stored in residential areas, limiting stays to the time needed for pickup or delivery. Moving vans get a one-night exception, and Residential Rural or Rural Lands parcels of five acres or more may keep one large commercial unit.

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

B.Commercial vehicles. This Subsection applies to the accessory storage and incidental parking of vehicles and/or self-propelled equipment used for shipping, delivery of freight and products or other purposes in support of a business. Storage means parking a vehicle longer than two consecutive nights.1.Within a residential area, commercial vehicles other than a standard passenger car, pickup truck or van less than 20 feet in length, shall not be stored or parked for any time longer than necessary for a pickup or delivery at the site, except: a.Moving vans may be parked for a single night at a site in a residential area where the contents of a dwelling are being moved; and b.Within the Residential Rural or Rural Lands land use categories on sites with a gross area of five acres or more, one licensed commercial vehicle unit that is more than 20 feet in length may be stored.

Full Breakdown

Land Use Ordinance Sec. 040(B) governs the accessory storage and incidental parking of vehicles or self-propelled equipment used for shipping, delivery of freight and products, or other business purposes. The code defines storage as parking a vehicle longer than two consecutive nights. Within a residential land use category, any commercial vehicle other than a standard passenger car, pickup truck or van under 20 feet cannot be stored or parked for any time beyond what a pickup or delivery at the site requires. Two narrow exceptions exist: a moving van may park overnight while a household's contents are being relocated, and on parcels of five acres or larger within the Residential Rural or Rural Lands categories, one licensed commercial vehicle over 20 feet may be kept. 18 parking standards. 4, including unrestricted outdoor storage in the Agriculture and Rural Lands categories.

Violations & Fines

A commercial vehicle stored in a residential area beyond the time needed for pickup or delivery, without qualifying for the moving-van or five-acre exceptions, is a zoning violation that County Planning and Building enforces through Title 22 code enforcement, including a correction notice and civil penalties for continued noncompliance. Inoperative commercial vehicles are separately subject to abatement under Chapter 8.24 of the County Code.

Frequently Asked Questions

Can I park my box truck in front of my house overnight in unincorporated SLO County?
Not for more than two consecutive nights, and not at all beyond the time needed for an actual pickup or delivery, if you are in a residential land use category and the truck is over 20 feet or is not a standard passenger car, pickup or van. Section 22.30.040(B)(1) treats longer parking as prohibited accessory storage.
Does a moving truck get any exception?
Yes. Section 22.30.040(B)(1)(a) allows a moving van to park for a single night at a residential site while the household's contents are being moved, without triggering the general commercial-vehicle storage limit.
What if I live on a large rural parcel?
On five acres or more in the Residential Rural or Rural Lands categories, Section 22.30.040(B)(1)(b) allows one licensed commercial vehicle over 20 feet to be stored, a narrower allowance than the unrestricted outdoor agricultural-vehicle storage the same section grants in Agriculture and Rural Lands categories.

Sources & Official References

Other rules in San Luis Obispo County

All San Luis Obispo County rules

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