Administrative overview · FIPS 06035
Lassen County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Lassen County Department of Planning and Building Services, Building Division
For a project in or near Lassen County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(530) 251-8269 (Planning and Building Services); (530) 257-5263 (inspection requests, 24 hours)
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
707 Nevada Street, Suite 5, Susanville, CA 96130-3912
Operating hours
Monday-Friday 7:00 a.m.-12:00 p.m. and 1:00-4:00 p.m., excluding holidays (published Planning and Building Services department hours).
Review expectation
N/A; the online portal states applications are processed after completeness is verified and the department emails applicants when more information is required or a permit is ready, but it does not publish a standard review timeline.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Lassen County
Who handles permitting for this jurisdiction?
Lassen County Department of Planning and Building Services, Building Division is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (530) 251-8269 (Planning and Building Services); (530) 257-5263 (inspection requests, 24 hours).
How long might review take?
N/A; the online portal states applications are processed after completeness is verified and the department emails applicants when more information is required or a permit is ready, but it does not publish a standard review timeline.
How are inspections scheduled?
Call (530) 257-5263 (257-LAND) at any time to request an inspection. All permitted work is subject to county inspection; at least one inspection must be passed, the inspection record card must be posted, and work may not continue past required inspection stages until approval. Permanent utility connections are prohibited until final inspection approval.
Which codes and exemptions should I review?
Effective January 1, 2026, Lassen County enforces the 2025 California Building Standards Code, including the 2025 California Building Code, Residential Code, Green Building Standards Code, Mechanical Code, Electrical Code, Plumbing Code, Energy Code, Existing Building Code, and Historical Building Code. Local criteria include county snow-load standards, required ice-dam protection, seismic Category D, wind criteria, 1,500-psf default soil bearing pressure, and minimum 18-inch footing depth. Lassen County's current Work Exempt from Permit sheet lists one-story detached accessory structures up to 120 square feet; fences up to 7 feet; retaining walls up to 4 feet unless supporting a surcharge; ground-supported tanks up to 5,000 gallons with a maximum 2:1 height-to-width ratio; sidewalks and driveways; painting, papering, tiling, carpeting, cabinets, countertops, and similar finishes; prefabricated pools under 24 inches deep; swings/playground equipment; qualifying wall-supported awnings projecting no more than 54 inches; qualifying detached decks up to 200 square feet and 30 inches above grade; limited low-voltage and minor electrical work; portable gas and mechanical appliances; minor equipment parts; leak stopping and stoppage clearing that does not replace or rearrange plumbing; and ordinary repairs that do not affect structure, egress, utilities, or public health and safety. Emergency repairs require an application by the next business day.