Lincoln County, Idaho requires a county building permit for new homes and structures.1 A South Central Public Health District wastewater permit must be in place before the county issues a building permit for a new home or home addition.2 County zoning and parcel setbacks also apply.34
At a glance
- Building permit
- Required for new homes and structures1
- Zoning
- County zoning applies; confirm the parcel district and exact boundary5
- Septic
- South Central Public Health District issues permits; approval precedes the county building permit62
- RV living
- Long-term occupancy rules could not be confirmed; ask Planning and Zoning7
- Tiny home
- Occupancy and minimum-size rules could not be confirmed; ask Planning and Zoning7
- Owner-builder
- Contractor registration exemption applies only when the owner meets state conditions; permits still may apply8
- Private well
- An IDWR drilling permit is required before drilling9
Who to call
Planning & zoning
Lincoln County Planning and Zoning
County building permits, zoning questions, applications and parcel-specific land-use questions
111 West B Street Suite C Shoshone, ID 83352
Septic permits
South Central Public Health District Environmental Health
Septic and land-development permitting questions for Lincoln County
951 East Avenue H Jerome, ID 83338
Contact details are copied from each office’s official page and were checked against it on September 27, 2026.
Do you need a building permit in Lincoln County, Idaho?
Yes. Lincoln County requires building permits for new homes and structures, and its published process calls for plans, a site plan, setback information and other project documents.1 The county says no work should begin until required permits have been issued, and it estimates about 10 business days for the building-permit process after plans are submitted.10
Electrical, plumbing and HVAC work requires separate state permits, although administration can vary by location.11 Idaho has also adopted statewide building codes with state amendments, including residential, building, energy-conservation and existing-building codes.12 An owner who personally works on the owner's own land and does not intend to sell within 12 months may be exempt from contractor registration, but that does not remove building, trade, septic or other permit requirements.8
Who issues building permits in Lincoln County, and how do you reach them?
Lincoln County Planning and Zoning is the first stop for county building permits and zoning questions; the office publishes building-permit requirements, forms and the county zoning map.7 Call the office at the number listed above and make an appointment after assembling the required items, because the county's process says applicants should schedule an appointment once their materials are ready.10
The county sends plans electronically for state review, while separate state electrical, plumbing and HVAC permits are required for covered work.1011 For a new manufactured home in an area without an approved local building program, Idaho requires an installation permit before work starts; every manufactured-home installation must be inspected and approved before occupancy.1314 Ask Planning and Zoning which authority will inspect the specific project.
Does Lincoln County, Idaho have zoning?
Yes. Lincoln County has county zoning and an official zoning map, but the map is only a graphic depiction; exact district boundaries come from legal descriptions kept by Planning and Zoning.5 The published map includes agricultural, commercial, industrial, residential and rural-residential district labels.15 Confirm the parcel's district and legal boundary with Planning and Zoning before treating a proposed use as allowed.7
For building-permit site plans, the county specifies 10-foot side and rear setbacks and a 75-foot setback from the center of a highway road; highway-district requirements may also apply to approaches, setbacks and right-of-way work.4 We could not confirm a general county minimum lot size, minimum dwelling size or lot-coverage limit. Planning and Zoning should answer those questions for the parcel and proposed use.7
How do septic permits work in Lincoln County, Idaho?
South Central Public Health District administers septic permitting for Lincoln County.6 For a new home or home addition using onsite wastewater, the district permit must be in place before Lincoln County issues the building permit.2 Contact the district's Environmental Health staff using the septic email above and search its online records portal before designing around an existing system.16
A site evaluation matters here: only about 5.3% of mapped county soils are rated without severe limitations for a conventional septic drain field.17 That soil statistic does not decide whether a particular lot can support a system, but it makes early site review especially useful. Idaho requires a final installation inspection before a permitted system receives wastewater, and advance notice rules can apply when inspection preparation is needed.18 A permit may also be denied when public or central wastewater facilities are reasonably accessible.19
Can you live in an RV or tiny home in Lincoln County, Idaho?
We could not confirm a Lincoln County rule that generally allows or prohibits long-term RV occupancy on private land, temporary private-land camping, tiny-home occupancy or a countywide minimum dwelling size. Ask Lincoln County Planning and Zoning about the parcel's zoning district, duration of occupancy, utilities, sanitation and whether a tiny home is treated as a dwelling, manufactured home or RV.7
A tiny home does not bypass the confirmed permit framework simply because it is small: Lincoln County requires permits for new homes and structures, and state trade permits apply to electrical, plumbing and HVAC work.111 A manufactured home has its own installation-permit path in areas without an approved local program and must be inspected before occupancy.20 For any occupied unit using onsite wastewater, discuss system design and permitting with South Central Public Health District before purchase or placement.6
Building a home in Lincoln County, Idaho: what are the steps?
- Ask Lincoln County Planning and Zoning to confirm the parcel's zoning district, exact boundary, allowed use and applicable site-plan setbacks.54
- Contact South Central Public Health District for the wastewater review; its permit must precede the county building permit for a new home or home addition.2
- Obtain an Idaho Department of Water Resources drilling permit before drilling a private well.9
- Assemble the county's plans and supporting materials, then schedule the Planning and Zoning appointment; the county submits plans electronically for state review.10
- Obtain separate state permits for electrical, plumbing and HVAC work.11
- Secure an Idaho Transportation Department encroachment permit if the driveway connects to state highway right-of-way, and ask the relevant highway district about other approaches.214
What should you check before buying land in Lincoln County, Idaho?
Start with a parcel-specific zoning check because the official map does not establish exact boundaries by itself.5 Then investigate wastewater feasibility: only about 5.3% of mapped soils avoid a severe conventional-drain-field limitation, so obtain South Central Public Health District guidance before relying on a standard system.1716
For water, verify well feasibility and remember that Idaho requires a drilling permit before a well is drilled.9 For access onto state highway right-of-way, an ITD encroachment permit is required.21 Ask Planning and Zoning about floodplain status because we could not confirm the county's floodplain-development procedure.7 Finally, budget beyond the purchase price: the countywide effective property-tax rate is about 0.5%, and the median property-tax bill is about $991 per year, but the parcel's actual assessment and exemptions control.2223
Watch-outs
- A septic permit must be in place before Lincoln County issues a building permit for a new home or home addition.2
- The official zoning map is not the final word on exact district boundaries; Planning and Zoning keeps the controlling legal descriptions.5
- Long-term RV living, tiny-home occupancy, private-land camping, minimum dwelling size and floodplain-development requirements remain unconfirmed; ask Lincoln County Planning and Zoning before buying or placing a unit.7
- A driveway connecting to Idaho state highway right-of-way needs an ITD encroachment permit.21
Sources
- Lincoln County, ID Planning and Zoning (2026 county census)
- How to obtain a building permit, quoted and re-checked
- Lincoln County Zoning Map (2026 county census)
- How to obtain a building permit, quoted and re-checked
- Lincoln County Zoning Map, quoted and re-checked
- Contact Us, quoted and re-checked
- Lincoln County Planning and Zoning (lincolncountyid.gov)
- Frequently Asked Questions (Contractors), quoted and re-checked
- Wells Overview (Idaho statewide rule), quoted and re-checked
- How to obtain a building permit, quoted and re-checked
- Frequently Asked Questions (FAQs) - Division of Occupational and Professional Licenses (Idaho statewide rule), quoted and re-checked
- Idaho Adopted Codes (Idaho statewide rule), quoted and re-checked
- Building Archives - Division of Occupational and Professional Licenses (Idaho statewide rule), quoted and re-checked
- Building Archives - Division of Occupational and Professional Licenses (Idaho statewide rule), quoted and re-checked
- Lincoln County Zoning Map, quoted and re-checked
- South Central Public Health District Environmental Health (phd5.idaho.gov)
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- IDAPA 58.01.03 Individual/Subsurface Sewage Disposal Rules (Idaho statewide rule), quoted and re-checked
- IDAPA 58.01.03 Individual/Subsurface Sewage Disposal Rules (Idaho statewide rule), quoted and re-checked
- Frequently Asked Questions, quoted and re-checked
- Types of Right-of-Way Encroachment Permits (Idaho statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 27, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.