Lake County, CA Building Setbacks & Zoning: Structure Height Limits (2026)
Key Facts
- Principal structure
- 35 ft maximum height
- Accessory structure
- 20 ft maximum height
- Governing section
- Zoning Ordinance Sec. 21-10.16
- Adopted
- Ord. No. 1749, 7/7/1988
- Zone
- R1 Single-Family Residential
- Max penalty
- $500 fine or 6 months jail (Sec. 61.4)
Summary
A principal residence in Lake County's R1 zone is capped at 35 feet, while accessory structures such as garages and sheds top out at 20 feet, under Zoning Ordinance Section 21-10.16. The accessory limit dates to Ordinance No. 1749 from 1988 and applies across the unincorporated county's single-family districts.
10.16 Maximum height:
(a) Principal structure: Thirty-five (35) feet.
(b) Accessory structure: Twenty (20) feet. (Ord. No. 1749, 7/7/1988)
Full Breakdown
16 sets the maximum building height for the R1 Single-Family Residential district: 35 feet for the principal structure and 20 feet for any accessory structure, a figure carried forward from Ordinance No. 1749, adopted July 7, 1988. 14, which drops from 35 percent to 30 percent once a home goes to two stories. Together these standards keep taller homes both further from the rear line and smaller in footprint, rather than regulating height in isolation. 15(d). 5. A homeowner who wants to build taller, such as a three-story home or a tall detached shop, needs relief through the variance process in Article 52, which requires demonstrating that the property's size, shape or topography creates a hardship not shared by other R1 lots and that the variance will not grant a special privilege inconsistent with other properties in the zone. Height measured for structures like communications antennae is instead governed separately under Article 71.
Violations & Fines
A structure built above the 35-foot principal or 20-foot accessory height limit without a variance violates Section 21-10.16. Section 61.4 makes any violation of Chapter 21 punishable as an infraction with a fine up to $100, or as a misdemeanor with a fine up to $500, up to six months in county jail, or both, with each day of the violation treated as a separate offense; the county can also pursue the structure as a public nuisance through County Counsel.
Frequently Asked Questions
How tall can a house be in Lake County's R1 zone?
What is the height limit for a detached garage or shed?
Can I build higher than 35 feet with approval?
Who checks height at the building permit stage?
Sources & Official References
Other rules in Lake County
California rules heatmap·Compare Lake County to another location·View the California building setbacks & zoning overview
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