Lincoln County, Wyoming requires a building permit for a new home, and the county Planning & Development Office provides the residential application.1 The same office administers zoning, small-wastewater (septic) permits and inspections, and floodplain matters.234 Septic digging is barred from November 15 through April 1, so winter planning matters.5
At a glance
- Building permit
- Required; residential application available from county Planning & Development1
- Zoning
- Yes — administered by Lincoln County2
- Septic
- Permit required for installing, repairing or replacing a system; county Planning & Development permits and inspects; no digging November 15 to April 1536
- RV living
- Not confirmed; county zoning makes a parcel-specific check necessary2
- Tiny home
- Not confirmed; zoning and dwelling standards must be checked for the parcel2
- Owner-builder
- No permit exemption confirmed7
- Well permit
- Wyoming approval is required before drilling or developing a qualifying spring8
Who to call
Building permits
Lincoln County Office of Planning & Development
Land use, zoning, subdivision, building permits, small wastewater systems and floodplain administration
925 Sage Avenue, Suite 201 Kemmerer, WY 83101
Contact details are copied from each office’s official page and were checked against it on October 10, 2026.
Off-grid gear
Going off-grid in Lincoln County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Lincoln County, Wyoming?
Yes. Lincoln County requires a building permit for a new home, and its document center provides a residential building-permit application for new homes and additions1. The county's published material does not fully establish which other projects require permits, which building-code edition applies, or whether building inspections and a certificate of occupancy are required. Ask Lincoln County Planning & Development about the exact project before ordering materials; the office handles building and permitting questions9. No owner-builder exemption was confirmed, so building your own house should not be treated as an exemption from the county permit process7. Occupancy is a state matter: newly built or remodeled buildings subject to the state fire-safety statute cannot be used or occupied until the state fire marshal issues a certificate of occupancy or letter of compliance, subject to statutory exceptions.10 Wyoming law allows county building-code enforcement only after the state fire marshal delegates authority to a county that maintains qualifying standards and inspectors11.
Who is the Lincoln County building department, and how do you reach it?
Lincoln County's Office of Planning & Development is the first stop for building, land-use, zoning, subdivision, septic and floodplain questions9. The Kemmerer office is at 925 Sage Avenue, Suite 201, Kemmerer, WY 83101; call (307) 877-9056 or email planning@lincolncountywy.gov9. The county accepts permit applications through its online portal129. The portal and document center are useful starting points, but the reviewed county pages do not establish complete submittal requirements or review times12. Send the parcel number, proposed use and a short project description when asking which forms are needed, because one office coordinates several different approvals9.
Does Lincoln County have zoning?
Yes. Lincoln County administers zoning and its Land Use Regulations through county planning processes2. Wyoming law authorizes county commissioners to regulate building locations, land uses and occupancy in unincorporated areas, without overriding an incorporated city or town's zoning authority13. That distinction matters: a parcel inside Kemmerer, Afton or another municipality may follow municipal rules rather than the county rules described here13. The available facts do not confirm a parcel's minimum lot size, setbacks, lot coverage, building height or minimum dwelling size. Lincoln County Planning & Development should identify the zone and applicable dimensional standards before a buyer relies on a listing's claim that land is buildable9. County subdivision applications also vary by category, including major, minor, simple, amended-plat and phased processes14.
How do septic permits work in Lincoln County?
Lincoln County requires a septic permit for the installation, repair or replacement of a small wastewater system (septic tank and leach field), and construction may not start until authorization is issued.5 Lincoln County Planning & Development administers that permitting and inspection.36 Digging for septic systems is barred in the county from November 15 through April 1, so a fall start needs a finished permit and a plan for the spring.5 Wyoming DEQ directly permits small wastewater facilities in only specified jurisdictions and warns that other permitting authorities may use different forms or request more information15. Site conditions deserve early attention: only about 9.7% of Lincoln County soils are rated without severe limitations for a conventional septic drain field16. That soil rating does not decide whether a particular lot will pass, but it makes a parcel-specific site evaluation a prudent early step. County Planning & Development handles the local septic and inspection questions at the same contact used for building permits9.
Can you live in an RV or tiny home on your land in Lincoln County?
We could not confirm a county rule that generally allows or prohibits living in an RV on private land in Lincoln County, and the available material does not establish a rule for temporary camping. We also could not confirm county occupancy standards for a tiny home, manufactured home or accessory dwelling. Lincoln County does have zoning, so the answer may depend on the parcel's zone and the way the proposed unit is classified2. Before buying, ask Lincoln County Planning & Development in writing whether the proposed use is allowed, whether a temporary-use approval is needed, and which building and sanitation approvals apply9. A tiny home intended as a dwelling should not be assumed exempt from the residential building-permit process merely because it is small1.
Building a home in Lincoln County: the steps, in order
- Ask Lincoln County Planning & Development to confirm the parcel's jurisdiction, zone, allowed residential use and dimensional standards29.
- Resolve access and subdivision issues early; regulated subdivisions need county approval, while qualifying parcels of 35 acres or more generally require recorded access and utility easements at least 40 feet wide to a public road unless properly waived1417.
- Apply to Wyoming for well approval before drilling; domestic and stock applications carry a $50 filing fee8.
- Have the site evaluated, get the county septic permit, and schedule inspections with county Planning & Development; no septic digging is allowed November 15 through April 1.536
- Ask whether the site needs a floodplain development permit before moving dirt or placing a structure4.
- Submit the residential building-permit application through the county's online portal and confirm any required inspections directly with the office112.
- Before moving in, ask the state fire marshal about the certificate of occupancy or letter of compliance.10
What to check before you buy land in Lincoln County
Start with jurisdiction and zoning: county rules govern unincorporated land, while incorporated places can use their own zoning13. Check water before closing because Wyoming requires an approved groundwater permit before drilling a well or developing a qualifying spring8. Check soils early because only about 9.7% of county soils are rated without severe limitations for a conventional drain field16. Check terrain and winter access on the actual parcel; about 55% of county land has a slope of 15% or less, but a countywide figure cannot describe one lot18. Confirm floodplain status and any development permit with Planning & Development49. Verify legal access, especially on large tracts subject to Wyoming's recorded-easement rule17. For carrying costs, the effective property-tax rate is about 0.4%, and the median annual property-tax bill is about $1,4581920.
Watch-outs
- Only about 9.7% of Lincoln County soils are rated without severe limitations for a conventional septic drain field, so investigate the specific homesite before assuming a standard system will work16.
- Lincoln County's reviewed material does not confirm the rules for RV living, tiny-home occupancy, minimum dwelling size or setbacks; ask Planning & Development about the parcel and proposed use9.
- A parcel inside an incorporated city or town may be subject to municipal zoning rather than Lincoln County's unincorporated-area rules13.
- The county no-dig period, November 15 through April 1, applies to septic systems and digging in the county right-of-way.21
Sources
- Lincoln County Office of Planning & Development (2026 county census)
- Planning & Development (2026 county census)
- Planning & Development, quoted and re-checked
- Planning & Development, quoted and re-checked
- Permitting, quoted and re-checked
- Planning & Development, quoted and re-checked
- Article 1 - Department of Fire Prevention and Electrical Safety (2026 county census)
- seo.wyo.gov (Wyoming statewide rule), quoted and re-checked
- Lincoln County Office of Planning & Development (lincolncountywy.gov)
- Wyoming Statutes, Article 1, Department of Fire Prevention and Electrical Safety, quoted and re-checked
- Wyoming Statutes, Title 35, W.S. 35-9-121 (Wyoming statewide rule), quoted and re-checked
- Planning & Development, quoted and re-checked
- Wyoming Statutes, Title 18, W.S. 18-5-201 (Wyoming statewide rule), quoted and re-checked
- Planning & Development, quoted and re-checked
- Small Wastewater Systems (Wyoming statewide rule), quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Wyoming Statutes, Title 18 (Wyoming statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Planning & Development, quoted and re-checked
Written October 10, 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.