Monterey County, CA Property Maintenance: Property Blight (2026)
Key Facts
- Weed limit
- 4 inches; noxious weeds fully banned
- Vacant land duty
- Clean, safe, sanitary; no 'blighting problem'
- Enforcing officer
- Building Official, appeal to County Hearing Officer
- Dangerous-premises factors
- Excessive trash, overgrown weeds, abandoned vehicles
- County remedy
- Repair, rehabilitation, demolition, or cost lien
- Adopted
- Ordinance No. 5442, § 16, effective December 9, 2025
Summary
The county's Property Maintenance Code (Ch. 18.14) makes a blighted structure or premises a public nuisance: vacant buildings and land must stay clean, safe, and sanitary so they don't "cause a blighting problem," weeds over four inches are prohibited, and the Building Official can order repair, abatement, or demolition at the owner's cost.
All vacant structures and premises thereof or vacant land shall be maintained in a clean, safe, secure and sanitary condition as provided herein so as not to cause a blighting problem or adversely affect the public health or safety. ... Weeds. All premises and exterior property shall be maintained free from weeds or plant growth in excess of four (4) inches. All noxious weeds shall be prohibited.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 56).
Full Breakdown
14, re-enacted by Ord. No. 5442, § 16, adopted December 9, 2025, applies to all existing residential and nonresidential structures and premises in unincorporated Monterey County. 040(B) include: weeds and plant growth capped at 4 inches, with all noxious weeds prohibited outright; no inoperative or unlicensed vehicles parked or stored outside a structure; no graffiti or defacement of exterior surfaces; accessory structures such as garages, fences, and walls kept structurally sound; and outdoor storage of materials or containers allowed only if it complies with zoning and building code.
020(J) separately defines a "Dangerous Structure or Premises," a category that includes premises containing "excessive trash, overgrown weeds, abandoned or inoperative vehicles" among other unsafe conditions. 010(H)). The code applies only within unincorporated Monterey County.
Violations & Fines
Under § 18.14.090(A), it is unlawful for an owner to "create, maintain or permit the continued existence of any dangerous structure or premises, unsafe condition ... or any other hazards as defined in this Chapter"; such conditions "are public nuisances" the owner must abate through repair, rehabilitation, or demolition "without delay." The county can also placard and board condemned structures, disconnect utilities, or record a lien for abatement costs against the property.
Frequently Asked Questions
What counts as a "blighting problem" under Monterey County's code?
How tall can weeds get before I'm in violation?
What can the county do if I don't fix a blighted property?
Sources & Official References
Other rules in Monterey County
California rules heatmap·Compare Monterey County to another location·View the California property maintenance overview
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