Construction projects in Hinsdale County, Colorado require a building permit, and the county administers zoning and planning regulations.12 The Hinsdale County Building Department also receives onsite wastewater treatment system applications and handles building, zoning and development questions.34
At a glance
- Building permit
- Required for construction projects in Hinsdale County and the Town of Lake City1
- Building code
- County has adopted the 2015 International Code Council building codes5
- Zoning
- County zoning and planning regulations apply; confirm parcel-specific standards2
- Septic
- An approved county OWTS permit is required when outside a water and sanitation district6
- RV living
- Not confirmed; ask the Building Department before occupying an RV on private land4
- Tiny home
- Local occupancy eligibility is not confirmed; ask the Building Department before buying or placing one4
- Private well
- Colorado Division of Water Resources permits new groundwater wells, subject to exceptions and basin rules7
Who to call
Building permits
Hinsdale County Building Department
Building permits, building codes, zoning and development questions, floodplain applications, and OWTS applications
311 Henson St., PO Box 277, Lake City, CO 81235
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 Hinsdale County, Colorado?
Yes. Construction projects in Hinsdale County and the Town of Lake City require a building permit.1 A complete submittal includes the application, fee, stamped construction plans and specifications, use-tax declaration, and use-tax payment, and it must arrive at least 30 days before work starts.1 The county uses the 2015 International Code Council building codes, while electrical and plumbing permits go through the State of Colorado.5
Do not start construction before the Building Official approves the permit and the required fees are paid.8 Building-permit fees depend on the structure's valuation; alteration and remodeling fees depend on material cost.9
Who issues building permits in Hinsdale County, and how do you reach them?
The Hinsdale County Building Department is the starting point for building permits, building codes, ordinance enforcement, zoning, development questions, floodplain applications, and OWTS applications.4 Reach the office at 970-944-2225 (ext 104), email [email protected], or visit 311 Henson St., PO Box 277, Lake City, CO 81235.4
Applications may be delivered by mail, email, fax, or in person; after submission, contact the Building Official to continue the process.8 Projects inside Lake City town limits still use this county building framework, but building-permit payments inside town limits go to the Town of Lake City.2
Does Hinsdale County have zoning?
Yes. Hinsdale County administers zoning and planning regulations, and the Building Department answers questions about county building, zoning, and development.24 Colorado law allows county zoning in unincorporated territory, including controls on building location, size, lot size, uses, density, open space, and solar access.10
The available county material does not confirm numeric setbacks, minimum lot size, minimum dwelling size, lot coverage, building-height limits, or district-by-district uses. Ask the Building Department for the zoning district and current standards tied to the parcel before relying on a listing description or planning a site layout.4
How do septic permits work in Hinsdale County?
Hinsdale County's Building Department receives onsite wastewater treatment system applications.3 If a property is outside a water and sanitation district, the building-permit package requires evidence of potable water and an approved OWTS permit; property inside a district instead requires evidence that water and sewer taps have been paid.11 Colorado also requires a permit before constructing, altering, installing, repairing, or using an OWTS where a building is not served by a sewage treatment works.12
Only 0.8% of mapped county soils avoid a “very limited” rating for conventional septic drain fields, so make septic feasibility an early due-diligence item rather than assuming a standard drain field will work.13 The available official material does not confirm the inspection sequence; ask the Building Department what testing, design, and inspections apply to the parcel.4
Can you live in an RV or tiny home on land in Hinsdale County?
We could not confirm a county rule that answers whether an RV may be occupied on private land, either temporarily or while building. Ask the Hinsdale County Building Department for a parcel-specific answer before placing or occupying an RV, because the office handles zoning and development questions.4
We also could not confirm local tiny-home occupancy, manufactured-home occupancy, accessory-dwelling eligibility, or a minimum dwelling size. Colorado's rules for manufactured homes do not replace local zoning: a HUD home may be installed only where local zoning allows it.14 A tiny home that involves construction still enters a county system that requires building permits and applies adopted building codes.15
Building a home in Hinsdale County: what are the steps?
- Ask the Building Department to identify the parcel's zoning, development standards, and any floodplain issue.415
- Establish water and wastewater service: show paid water and sewer taps inside a district, or document potable water and obtain an OWTS permit outside one.11
- Prepare the building application, stamped plans and specifications, use-tax declaration, and required payment, then submit at least 30 days before starting.1
- Obtain separate state electrical and plumbing permits and any applicable road-cut or floodplain documentation.51
- Wait for approval and fee payment before construction begins.8
- Schedule county inspections at least one working day ahead and document state electrical and plumbing finals.16
- Complete the final inspection before the certificate of occupancy is issued.17
What should you check before buying land in Hinsdale County?
Start with buildability, not just acreage. Only 20.7% of the county's land has a slope of 15% or less, and only 0.8% of mapped soils avoid severe limitations for a conventional septic drain field.1813 Confirm a usable building envelope, OWTS feasibility, legal access, and the parcel's zoning before closing.4
A new groundwater well generally needs a Colorado Division of Water Resources permit, subject to statutory exceptions and basin-specific rules.7 Direct residential access to a Colorado state highway requires a CDOT access permit.19 County building projects in a floodplain also require a floodplain development permit when applicable.15 For budgeting context, the effective property-tax rate is 0.3% and the median annual property-tax bill is $1,286.2021
Watch-outs
- Do not begin construction before permit approval and fee payment; submit the required materials at least 30 days before the planned start.81
- Electrical and plumbing permits and inspections go through the State of Colorado rather than the county Building Department.516
- RV occupancy, tiny-home occupancy, owner-builder exemptions, and numeric zoning standards remain unconfirmed; ask the Building Department before committing to a design or purchase.4
Sources
- Building Permit Guidelines, quoted and re-checked
- Building Department, quoted and re-checked
- Building Department, quoted and re-checked
- Hinsdale County Building Department (hinsdalecounty.colorado.gov)
- Building Department, quoted and re-checked
- Building Department, quoted and re-checked
- Water Administration (Colorado statewide rule), quoted and re-checked
- Building Department, quoted and re-checked
- Building Permit Guidelines, quoted and re-checked
- Colorado Revised Statutes 2025 Title 30 Government - County (Colorado statewide rule), quoted and re-checked
- Building Permit Guidelines, quoted and re-checked
- Title 25 - Public Health and Environment - Colorado Revised Statutes 2024 (Colorado statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- Consumers of Manufactured Homes and Tiny Homes - HUD (Colorado statewide rule), quoted and re-checked
- Building Permit Guidelines, quoted and re-checked
- Building Permit Guidelines, quoted and re-checked
- Building Permit Guidelines, quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- 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 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.