9 rules for unincorporated Nevada County, California.
Verified from official government sources
Unincorporated Nevada County does not run a cosmetic lawn-height program. The only enforceable grass standard is fire-driven: the Hazardous Vegetation Abatement ordinance (Article 7, Chapter IV of the General Code) and state PRC 4291 require weeds and grasses cut to four (4) inches or lower within the defensible-space and fuel-modification areas.
Nevada County General Code Sec. G-IV 7.3(K)
"Fuel Modification Area" shall mean a strip of land in which the following fuel reduction activities are required to occur: a. Cut and remove all weeds and grasses down to four (4) inches or lower; b. Prune and remove "ladder fuels" up to ten (10) feet or higher; c. "Mosaic" all stands of brush; d. Remove all dead or decaying trees and tree limbs; and e. Perform any other fire protection or mai...
Routine pruning of your own trees needs no county permit. However, the Hazardous Vegetation Abatement ordinance (Sec. G-IV 7.4) requires owners to prune ladder fuels, remove dead/dying wood, keep branches 10 feet from chimneys, and maintain a 10-foot-wide, 15-foot-high clearance strip beyond roadway shoulders for emergency access.
Nevada County General Code Sec. G-IV 7.4(c), as amended by Ord. 2477
3. Maintain free of Ladder Fuels a minimum of a 10-foot wide strip of land beyond the edge of the driving surface including the shoulder of a roadway serving as primary ingress and egress to the parcel, to a height of fifteen (15') feet along the boundary of a Parcel. 4. Remove the portion of a tree that extends within 10 feet of the outline of a chimney, stovepipe or roofline of structures. 5....
Removing a hazardous or dead tree for defensible space is required under the Hazardous Vegetation Abatement ordinance and needs no county permit. But removing protected oaks or trees during land development triggers the County's Title 12 / Land Use & Development Code resource standards, which can require a tree removal permit and replacement.
Nevada County Code Sec. 12.03.250
No person, firm or corporation shall remove or cause to be removed any tree located outside a Timberland Preserve Zone (TPZ), and within the Nevada City Sphere of Influence as adopted by the Local Agency Formation Commission, without first obtaining a tree removal permit from the County Planning Director, except that no permit is required for the removal of trees: 1. Identified for removal as p...
Unincorporated Nevada County enforces a robust weed-abatement program through the Hazardous Vegetation Abatement ordinance (Article 7, Chapter IV of the General Code). Dry grass, weeds, brush, and combustible material within 100 feet of a structure or along access roads are declared a public nuisance owners must abate.
Nevada County General Code Sec. G-IV 7.4(A)-(B) (Ch. IV, Art. 7)
A. Hazardous Vegetation and Combustible Materials within one hundred (100') feet of a Structure (or greater as determined by the Public Official) or along roadways that serve as primary ingress and egress routes, are hereby declared to be a public nuisance that may be abated in accordance with this Article, and by any other means available by law. B. It shall be the duty of every owner, occupan...
Nevada County government does not run a single countywide outdoor-watering schedule. Outdoor water use in unincorporated areas is governed by California's permanent water-waste prohibitions (SWRCB / AB 1572) and by the rules of the local retail supplier, most often the Nevada Irrigation District, which sets day/time watering limits during droughts.
Nevada County Plan Review Comments item 256; Cal. Green Building Standards Code Sec. 4.304; 23 CCR Sec. 490 et seq.
Residential projects with an aggregate landscape area equal to or greater than 500 square feet shall comply with either a local water efficient landscape ordinance or the current California Department of Water Resources' Model Water Efficient Landscape Ordinance (MWELO), whichever is more stringent. Automatic irrigation system controllers installed at time of final inspection shall have weather...
Rainwater harvesting is legal in unincorporated Nevada County. There is no county ordinance banning rain barrels or cisterns. California's Rainwater Capture Act of 2012 lets owners collect rooftop rainwater without a State Water Board water-right permit; large or plumbed systems may still need a county building permit.
Nevada County does not require native plants, but it strongly favors climate-adapted, low-water, and fire-wise landscaping. The County's Water Efficient Landscape Ordinance and California's MWELO push climate-appropriate plant palettes for new development, while the Hazardous Vegetation rules shape how plants are placed near structures.
Nevada County has no ordinance banning artificial turf, and synthetic lawns are a recognized way to cut outdoor water use under California's water-efficiency framework. Artificial turf installations are governed mainly by general county zoning, drainage, and setback rules rather than a turf-specific ban.
Backyard composting is allowed in unincorporated Nevada County and is directly addressed in the Solid Waste ordinance (Sec. G-IV 8.2.E), which requires it be done in a nuisance-free, vector-free way using only household-generated waste. California's SB 1383 also mandates organic-waste diversion through the County's collection program.
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