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Washoe County, NV Building Setbacks & Zoning: Lot Coverage Limits (2026)

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

Key Facts

HDS / MDS
50% of lot
LDS
25% of lot
HDR / MDR
20% / 15%
LDR
10% or 80,000 sq ft
Code section
WCC 110.306.10(a)

Summary

Washoe County Development Code caps combined building footprints by regulatory zone: 50% in Medium/High Density Suburban, 25% in Low Density Suburban, 20% HDR, 15% MDR, and 10% (or 80,000 sq ft) in Low Density Rural.

City-specific rules exist: Reno has its own lot coverage limits rules that differ from Washoe County's county-level regulations. If you live in Reno, check the city-specific page instead.

On lots in the High Density Suburban (HDS) and Medium Density Suburban (MDS) Regulatory Zones, the combined area... of all building footprints on the lot shall not exceed 50 percent of the total lot acreage; On lots in the Low Density Suburban (LDS) Regulatory Zones... shall not exceed 25 percent.

Full Breakdown

Washoe County Development Code Section 110.306.10(a) sets lot-coverage limits on the combined area of all building footprints on a lot: 50 percent in High and Medium Density Suburban (HDS, MDS); 25 percent in Low Density Suburban (LDS); 20 percent in High Density Rural (HDR); 15 percent in Medium Density Rural (MDR); and 10 percent of total lot acreage or 80,000 square feet, whichever is less, in Low Density Rural (LDR). Parcels 40 acres or larger in General Rural (GR/GRA), and all parcels in Commercial, Industrial and Urban zones, are exempt from these lot-coverage limitations. Coverage is measured as the square footage of all building footprints on the lot.

Violations & Fines

Adding structures that push combined footprints over the zone's coverage limit is a Development Code violation; a variance or footprint reduction may be required.

Frequently Asked Questions

How much of my lot can I build on?
It depends on your zone: up to 50% in Medium/High Density Suburban, 25% in Low Density Suburban, and as little as 10% in Low Density Rural, per WCC 110.306.10(a).
Are large rural parcels exempt?
Yes. Parcels 40 acres or larger in General Rural/General Rural Agricultural, and all Commercial, Industrial and Urban parcels, are exempt from these lot-coverage limitations.

Sources & Official References

Other rules in Washoe County

All Washoe County rules

Compare Washoe County to another location·View the Nevada building setbacks & zoning overview

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Lot Coverage Limits in Cities Across Washoe County