Clear Creek County, CO zoning map, flood zone and property lines by address
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Towns in Clear Creek County: Idaho Springs, Georgetown.
Flood zone by address
ParcelSheet reads FEMA's National Flood Hazard Layer at the lot: the zone, whether it is a high risk area where lenders ask for flood insurance, and the base flood elevation where FEMA lists one. FEMA's countywide study for Clear Creek County has 36 FIRM panels, the newest effective December 2019; no coastal V zones are mapped in it.
The official panel and any Letter of Map Amendment are at FEMA's Map Service Center. An elevation certificate for a Clear Creek house comes from a licensed surveyor and is often on file with the county or city building office.
Property lines
The parcel outline, parcel number and mapped size come from the Colorado public parcel layer (Governor's Office of Information Technology, from the counties that share their parcels), so a Clear Creek lot shows the same lines the county assessor draws. Clear Creek County covers about 252,847 acres of land and 809 acres of water.
Mapped lines are approximate. The Clear Creek County assessor keeps the parcel record (Clear Creek County website); a licensed surveyor sets the true corners.
Zoning
Clear Creek County zones its unincorporated land, and Idaho Springs, Georgetown each zone the land inside their limits. ParcelSheet shows the use the county assessor lists for the lot and links the county planning office for the district, the uses it allows and the lot size it needs.
ADU and guest houses
Under Colorado's county and city zoning powers (C.R.S. Title 30, Article 28, and Title 31, Article 23), local governments can allow an accessory dwelling unit on a lot with a house. Whether a Clear Creek lot can add one depends on its district; the county planning office has the rule. ParcelSheet shows the mapped lot size and the ground's slope, the first two things the question turns on.
Septic and soil
ParcelSheet reads the USDA soil survey at the lot: the soil's name, its septic absorption rating and whether it is prime farmland. Clear Creek County is soil survey area CO645, Arapaho-Roosevelt National Forest Area, Colorado, Parts of Boulder, Clear Creek, Gilpin, Grand, Park and Larimer Counties, last updated September 2026, on Web Soil Survey.
A new or changed septic system in Clear Creek County needs a permit from the Clear Creek County local public health agency under CDPHE Regulation 43.
Setbacks
Setbacks in Clear Creek County come from the zoning district: the front, side and rear distances a house must keep. ParcelSheet does not draw setback lines; the county zoning office gives them for the lot's district, and Idaho Springs and Georgetown for land inside their limits.
Hazards that apply
- Wetlands and wildfire. ParcelSheet shows the National Wetlands Inventory near a Clear Creek lot and the Forest Service wildfire hazard rating at it.
Questions
Is my house in a flood zone in Clear Creek County?
Type the address in the box above and ParcelSheet reads FEMA's flood zone at the lot's center. FEMA's countywide flood map for Clear Creek County has 36 panels, the newest effective December 2019. A lender or insurer uses the official FIRM panel; FEMA's Map Service Center has it.
How do I find property lines in Clear Creek County?
Open the Colorado map, type the address, and the parcel outline from the Clear Creek County assessor shows on the map with its parcel number and mapped size. Mapped lines are approximate; only a licensed surveyor sets the true corners.
What is my property zoned in Clear Creek County?
Zoning in Clear Creek County is set by the county for unincorporated land and by each city (such as Idaho Springs, Georgetown) inside its own limits. ParcelSheet shows the use code the county assessor lists and links the office that sets the zoning; the planning office has the final word.
Can I build an ADU in Clear Creek County?
Under Colorado's county and city zoning powers (C.R.S. Title 30, Article 28, and Title 31, Article 23), counties and cities can allow an accessory dwelling unit, and each sets its own rules. In Clear Creek County ask the zoning office for the lot's district first; ParcelSheet shows the lot size as mapped so you can see the room you have.
Do I need a septic permit in Clear Creek County?
Yes. A new or changed septic system in Clear Creek County needs a permit from the Clear Creek County local public health agency under CDPHE Regulation 43. ParcelSheet shows the USDA soil survey's septic rating at the lot, from survey area CO645 (Arapaho-Roosevelt National Forest Area, Colorado, Parts of Boulder, Clear Creek, Gilpin, Grand, Park and Larimer Counties).
What can I build on 5 acres in Clear Creek County?
Zoning in Clear Creek County is set by the county for unincorporated land and each city inside its own limits (such as Idaho Springs, Georgetown). The zoning district decides the uses, how many homes and the smallest lot it allows on 5 acres. ParcelSheet shows the lot size as mapped and the use code on the parcel record; the planning office has the district and its rules. See the Clear Creek County website.
What are the residential setbacks in Clear Creek County (2026)?
Setbacks in Clear Creek County come from the zoning code of the county, or of the city when the lot is inside city limits: the front, side and rear distances depend on the lot's district. ParcelSheet does not draw setback lines or give a number it did not read; the zoning office gives them for the district. See the Clear Creek County website.
Next to Clear Creek County: Gilpin County, Grand County, Jefferson County, Summit County.
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