Unincorporated Sedgwick County, Colorado requires a building permit before a building is erected, occupied, moved or structurally altered, despite having no building code ordinance or licensed building inspector123. County Planning & Zoning administers zoning for unincorporated land4. Julesburg handles its own building permits and zoning; Northeast Colorado Health Department handles septic permits in both town and unincorporated areas567.
At a glance
- Building permit
- Required before covered construction, occupancy, moving or structural alteration1
- Building code
- No county building code ordinance2
- Zoning
- Yes; confirm the parcel's district and permitted use48
- Septic permits
- NCHD permit required; $500 for a new system or repair91011
- RV living
- Long-term occupancy on private land is unconfirmed; ask County Planning & Zoning12
- Tiny homes
- A tiny home regulated as a dwelling needs at least 400 square feet, measured at outside walls; local zoning also applies1314
- Private wells
- A Colorado well permit is required for every new groundwater-diverting well, subject to exceptions15
- Owner-builder
- An owner may install one private-use OWTS per year without a contractor license; the permit and inspection still apply16
Who to call
Building permits
Sedgwick County Planning & Zoning Department
County building permits, planning and zoning; the same page publishes floodplain-development and county right-of-way permit forms
assessor@sedgwickcountygov.net
315 Cedar St., Suite 200 Julesburg, CO 80737
Septic permits
Northeast Colorado Health Department Onsite Wastewater Treatment System Program
OWTS permits for buildings that create wastewater flow and are not connected to a city sewer, including permits for new systems and repairs
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 Sedgwick 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.
These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.
Do you need a building permit in Sedgwick County, Colorado?
Unincorporated Sedgwick County requires a building permit before a building is erected, occupied, moved or structurally altered1. The building-permit fee is $50 for structures costing $2,000 or more; cheaper structures still require an application but have no building-permit fee17. Submit building plans and the requested property, zoning, use, builder, setback, cost and completion information18. Inside Julesburg, apply to the town building inspector before building alterations; septic permits still come from Northeast Colorado Health Department57. For local building rules inside Ovid or Sedgwick, the county directs applicants to the respective town clerk1.
Who handles building permits in Sedgwick County, and how do you reach the office?
Sedgwick County Planning & Zoning handles the county building permit at the Assessor's Office, 315 Cedar St., Suite 200 in Julesburg; call 970-474-2531 or email assessor@sedgwickcountygov.net3. Sedgwick County does not have a building code ordinance, and the county says it has no licensed building inspector23. The county fee schedule also lists house-moving, subdivision-exemption, right-of-way and road-crossing applications; ask Planning & Zoning which apply to your project19. We could not confirm who performs county building inspections or whether a certificate of occupancy is required, so ask Planning & Zoning before scheduling construction3.
Does Sedgwick County have zoning?
For unincorporated land, Sedgwick County administers zoning districts, including residential, agricultural, mobile-home, recreation, tourist, commercial, industrial, unclassified and commercial-highway districts8. Standard residential and mobile-home yards are 30 feet in front, 7 feet at the side and 20 feet at the rear, while supplementary rules and exceptions can change the result20. The Mobile Home district also caps building height at 30 feet; other district-specific height rules may apply21. Principal uses in agricultural districts generally require 2 acres, and residential minimum lot area varies with subdivision status and public water and sewer service22. Ask Planning & Zoning to identify the parcel's district and any special-use, subdivision or floodplain review before designing the site32324. Inside Julesburg, town zoning applies; Northeast Colorado Health Department remains the septic authority67.
How do septic permits work in Sedgwick County?
The Northeast Colorado Health Department issues Sedgwick County OWTS permits, including in unincorporated areas and municipalities within its district7. Sedgwick County requires the separate NCHD septic permit before construction to install, alter or repair a sewage-disposal system910. NCHD also requires permits for expansion and generally cannot issue one where public sewer service is available unless service is infeasible or the sewer provider authorizes it7. Colorado requires a final inspection of the system by the local public health agency or its designated engineer after construction25. The published fee is $500 for either a new system or a repair11. A landowner of record may install one OWTS per year for private use without a Systems Contractor License, but the permit, department inspection and other OWTS rules still apply16. About 34.3% of county soils avoid a severe USDA limitation rating for a conventional drain field, so make the site evaluation an early contingency26.
Can you live in an RV or tiny home on your land in Sedgwick County?
We could not confirm whether unincorporated Sedgwick County allows long-term RV occupancy on private land, so ask Planning & Zoning about the parcel and proposed duration before relying on an RV as housing123. The county's campground provision covers overnight rather than weekly campground use in the Recreation district; it does not answer residential RV living on private land27. Colorado-regulated tiny homes intended for long-term living require state plan approval and must also satisfy local zoning14. A tiny home regulated as a dwelling unit under Sedgwick County zoning must contain at least 400 square feet of floor area measured at the outside walls; meeting that minimum alone does not establish approval for the parcel13.
Building a home in Sedgwick County: the steps, in order
- Ask Planning & Zoning to confirm the parcel's zoning district, allowed dwelling type, setbacks, lot area and floodplain status8202224.
- If the site will not use public sewer, obtain the OWTS permit from Northeast Colorado Health Department before installing the system910.
- If you need groundwater, apply to the Colorado Division of Water Resources for the well permit15.
- Submit the county application with building plans and the requested site and project information18.
- If access connects directly to a state highway, secure the Colorado Department of Transportation access permit28.
- Ask Planning & Zoning what inspections and occupancy documentation apply because we could not confirm those requirements3.
What should you check before buying land in Sedgwick County?
Start with zoning, legal access, flood exposure, water and septic feasibility. Sedgwick County limits construction in inundation areas and requires county-commissioner approval before covered structures are built there24. Direct access from a house to a Colorado state highway requires a state access permit28. Every new groundwater-diverting well needs a state permit, subject to statutory and basin-specific exceptions15. Only 34.3% of county soils avoid a severe USDA limitation rating for conventional septic drain fields26. The effective property-tax rate is about 0.5%, and the median annual property-tax bill is $6712930.
Watch-outs
- A Sedgwick County building permit is required even though the county has no building code ordinance and no licensed building inspector123.
- Long-term RV occupancy on private land was not confirmed; ask Planning & Zoning about the parcel and intended use before purchase123.
- Julesburg has its own building permits and zoning, while Northeast Colorado Health Department remains the septic authority inside town limits567.
Sources
- Planning & Zoning Department, quoted and re-checked
- sedgwickcounty.colorado.gov, quoted and re-checked
- Sedgwick County Planning & Zoning Department (sedgwickcounty.colorado.gov)
- Sedgwick County Zoning Regulations, quoted and re-checked
- Town of Julesburg: Title 17, Chapter 17.56, Section 17.56.030 — Building inspector—Building permit (Sedgwick County), quoted and re-checked
- Town of Julesburg: Title 17, Chapter 17.12, Section 17.12.010 — Permitted uses (Sedgwick County), quoted and re-checked
- Northeast Colorado Health Department On-Site Wastewater Treatment System Regulations, quoted and re-checked
- Sedgwick County Zoning Regulations, quoted and re-checked
- Application for Building Permit, quoted and re-checked
- Application for Building Permit, quoted and re-checked
- Application for a Permit to Install or Repair an On-Site Wastewater Treatment System, quoted and re-checked
- Sedgwick County Zoning Regulations (2026 county census)
- Sedgwick County Zoning Regulations, quoted and re-checked
- Consumers of Manufactured Homes and Tiny Homes - HUD (Colorado statewide rule), quoted and re-checked
- Water Administration (Colorado statewide rule), quoted and re-checked
- Northeast Colorado Health Department On-Site Wastewater Treatment System Regulations, quoted and re-checked
- Application for Building Permit, quoted and re-checked
- Application for Building Permit, quoted and re-checked
- Application for Building Permit, quoted and re-checked
- sedgwickcounty.colorado.gov, quoted and re-checked
- Sedgwick County Zoning Regulations, quoted and re-checked
- Sedgwick County Zoning Regulations, quoted and re-checked
- Planning & Zoning Department, quoted and re-checked
- sedgwickcounty.colorado.gov, quoted and re-checked
- Title 25 - Public Health and Environment - Colorado Revised Statutes 2024 (Colorado 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
- Sedgwick County Zoning Regulations, quoted and re-checked
- Access Permits | Frequently Asked Questions (Colorado statewide rule), quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
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.