Landscaping Rules in Thousand Oaks, CA (2026)

Thousand Oaks Municipal Code (TOMC) § 5-28.04 (Tree Pruning — Pruning Regulations)

(a) It shall be unlawful to prune greater than twenty-five (25%) percent of the foliage or crown of a tree subject to this chapter as determined by the City's Arborist, during a calendar year. (b) It shall be unlawful to prune a tree that results in topping or lion's tailing. (c) It shall be unlawful to use climbing spurs except when limbs are more than a throwline distance apart and there is n...

Thousand Oaks Municipal Code (TOMC) § 9-4.4204(a) (Permit Required)

(a) Permit required. No person shall cut, remove, encroach into the protected zone, or relocate any oak tree on any public or private property within the City, unless a valid oak tree permit has been issued by the City pursuant to the provisions of this chapter and the oak tree preservation and protection guidelines.

Cal. Food & Agric. Code § 5004

5004. “Noxious weed” means any species of plant that is, or is liable to be, troublesome, aggressive, intrusive, detrimental, or destructive to agriculture, silviculture, or important native species, and difficult to control or eradicate, which the director, by regulation, designates to be a noxious weed. In determining whether or not a species shall be designated a noxious weed for the purpose...

Thousand Oaks Municipal Code (TOMC) § 10-2.1104 (Permanent and Level 1 Water Conservation Requirements)

Permanent measures: The following water conservation requirements are in effect at all times and are permanent. Violations of this section shall be considered waste and an unreasonable use of water. (a) Limits on Watering Hours: Watering or irrigating landscape and vegetated areas with potable water is prohibited between the hours of 8:00 a.m. and 6:00 p.m. on any day, except by use of a hand-h...

California AB 1750 — Rainwater Capture Act of 2012 (Water Code Part 2.4, Sections 10570-10574)

PART 2.4. Rainwater Capture Act of 2012. 10570. This part shall be known, and may be cited, as the Rainwater Capture Act of 2012. ... 10573. Solely for the purposes of this part, and unless the context otherwise requires, the following definitions govern the construction of this part: (a) "Developed or developing lands" means lands that have one or more of the characteristics described in subpa...

California Civil Code Section 4735 (HOA artificial turf and drought-tolerant landscape protections)

(a) Notwithstanding any other law, a provision of the governing documents or architectural or landscaping guidelines or policies shall be void and unenforceable if it does any of the following: (1) Prohibits, or includes conditions that have the effect of prohibiting, the use of low water-using plants as a group or as a replacement of existing turf. (2) Prohibits, or includes conditions that ha...

Thousand Oaks Municipal Code (TOMC) § 6-2.801(a) (Requirements for Single-Family and MFD-I Organic Waste Generators)

Sec. 6-2.801. Requirements for single-family and MFD-I organic waste generators. Single-Family and Multi-Family residents with individual cart service (MFD-I) who generate Organic Waste shall comply with the following requirements except generators who meet the Self-Hauler requirements in Section 6-2.808 of this Chapter: (a) Shall subscribe to Organic Waste collection services for all Organic W...