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Lake County, CA Rental Property Rules: Repairs & Habitability (2026)

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

Key Facts

Minimum heat
68 F in every habitable room
Work-space heat
68 F in occupied indoor work spaces
Measurement point
3 ft above floor, room center
Governing code
2021 IPMC, adopted at Sec. 5-4L
Max penalty
$500 fine and/or 6 months jail

Summary

Lake County's adopted International Property Maintenance Code sets a hard floor on rental heat: dwellings must maintain 68 degrees in every habitable room, and occupied indoor work spaces need the same minimum. The county measures compliance at a fixed point, three feet above the floor near the room's center.

These county ordinances apply to unincorporated areas of Lake County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

602.2 Residential occupancies. Dwellings shall be provided with heating facilities capable of maintaining a room temperature of sixty eight degrees Fahrenheit (68 F) in all habitable rooms. ... 602.4 Occupiable work spaces. Indoor Occupiable work spaces shall be supplied with heat to maintain a temperature of not less than sixty eight degrees Fahrenheit (68 F) during the period the spaces are occupied, except for processing, storage and operation areas that require cooling or special temperature conditions. 602.5 Room temperature measurements. The required room temperatures shall be measured three (3) feet above the floor near the center of the room.

Full Breakdown

Sec. 5-4L of the Lake County Code adopts the 2021 International Property Maintenance Code as the county's Property Maintenance Code, then amends specific sections. 4 extends the same 68-degree minimum to occupied indoor work spaces, with an exception for processing, storage and operation areas that need cooling or special temperatures. 5 fixes how that temperature is checked: measurements are taken three feet above the floor near the center of the room. 2 ties electrical facility sizing to the California Electrical Code. 1.

Violations & Fines

A landlord who fails to maintain the required 68-degree heat or other amended Property Maintenance Code standards is subject to the penalties and remedies specified in Chapters 5 and 13 of the Lake County Code, per amended IPMC Sections 109.4 and 109.5. Under the Chapter 5 penalty at Sec. 5-14.7, that carries a fine up to $100 as an infraction, or up to $500 and up to six months in County Jail as a misdemeanor, with each day of continued violation a separate offense; an owner may appeal a notice under Chapters 5 and 13.

Frequently Asked Questions

What temperature must my rental be heated to in Lake County?
Amended IPMC Section 602.2, adopted by Sec. 5-4L of the Lake County Code, requires dwellings to have heating facilities capable of maintaining 68 degrees Fahrenheit in every habitable room.
How is the required rental temperature measured?
Amended IPMC Section 602.5 specifies measurements are taken three feet above the floor, near the center of the room, not at a window or vent.
Does the heat requirement apply to home offices or work spaces?
Yes for occupied indoor work spaces. Amended IPMC Section 602.4 requires the same 68-degree minimum while spaces are occupied, except areas that need cooling or special processing temperatures.
What can I do if my landlord won't fix a habitability violation?
Violations of the amended Property Maintenance Code are enforced under the penalties and remedies in Chapters 5 and 13 of the Lake County Code, and a person served notice has appeal rights under amended Section 107.1.

Sources & Official References

Other rules in Lake County

All Lake County rules

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