Mountains
Grand County
Property taxes, marriage licenses, vehicle services, and many public records run through Grand County. Permits and local rules may sit with a town or city instead, so match the office to the exact address.
Official county shortcuts
Take the task to the office that handles it
These links go straight to the official county or regional office shown. Check that page for current documents, hours, appointments, fees, and address-specific instructions. A city may run its own permit office.
Property tax snapshot
Typical property tax in Grand County
The average total mill levy across Grand County was about 63.5 mills for tax year 2023 — below the statewide average of about 81 mills. On a $500,000 home, that comes to roughly $2,042 a year, using Colorado's 2026 residential rules: 7.05% on school mills, and 6.8% on the rest after the local actual-value adjustment.
This is the county average across all tax areas. Your parcel's actual mill levy depends on its exact tax area — a metro or special district can add many mills on top — so confirm the real number with the county assessor.
Sales tax: the state charges 2.9% and Grand County adds 1.3%, for 4.2% before any city or special district. See Colorado sales tax rates ->
Source: Colorado Division of Property Taxation, 53rd Annual Report (2023) — Average Levies by County.
Incorporated places in this county
These cities and towns touch Grand County. Some cross a county line. Every name opens a direct place page, and selected places include a fuller local guide.
Get to know Grand County
The history, land, and character behind the place.
Water and land
A well on a Grand County parcel does not mean unlimited water
Many rural Grand County properties rely on a permitted well, and the permit usually limits how the water can be used.
Read note ->Outdoors and wildfire
Grand County is moose country, and moose deserve real distance
Moose are common in the willows and wetlands of Grand County, and they can be dangerous up close, especially around dogs.
Read note ->Outdoors and wildfire
Around Granby and the Fraser, the fishing rules change water by water
Grand County has many rivers, lakes, and reservoirs, and the fishing rules can differ from one stretch of water to the next.
Read note ->Outdoors and wildfire
Before you launch on Lake Granby, your boat gets inspected
Trailered and motorized boats must pass an aquatic nuisance species inspection before launching on Grand County reservoirs.
Read note ->Money and taxes (8)
Money and taxes
A Grand County value appeal starts with property facts, not the tax bill
A Grand County assessor appeal contests value or classification, not the tax bill, so the evidence is property facts and comparable sales.
Read note ->Money and taxes
Grand County's assessor values property, but does not collect the tax
Two Grand County offices split the property tax job: the assessor sets the value, the treasurer collects the bill.
Read note ->Home and property (9)
Home and property
After the East Troublesome Fire, defensible space is a Grand County conversation
Grand County lives in fire country, and creating defensible space around a mountain home is work to do before there is smoke.
Read note ->Home and property
A Grand County building application may need water, sanitation, and access proof
A Grand County building permit can hinge on proof of legal water, legal sanitation, road access, HOA sign-off, and fire fees.
Read note ->Water and land (4)
Water and land
Not every lake in the Arapaho National Recreation Area allows motors
The Arapaho National Recreation Area holds several reservoirs around Granby and Grand Lake, and the boating rules differ from one to the next.
Read note ->Water and land
The Never Summer Mountains are the young volcanic edge of the park
The Never Summer Range west of Grand Lake is made of volcanic rock far younger than the ancient granite that forms most of Rocky Mountain National Park.
Read note ->Outdoors and wildfire (10)
Outdoors and wildfire
The backcountry off Berthoud Pass is avalanche terrain
The slopes around Berthoud Pass draw backcountry skiers and riders into real avalanche country, where the CAIC forecast is part of the plan.
Read note ->Outdoors and wildfire
Byers Peak Wilderness rises right above the Fraser Valley
Byers Peak Wilderness sits in the Arapaho National Forest above Fraser, and reaching its high trails takes a long forest-road approach.
Read note ->Cars and driving (1)
Local rules (2)
Local rules
Short-term rental rules in Grand County depend on which town you're in
Whether you can run a short-term rental in Grand County, and under what rules, depends on whether the property is in a town or in unincorporated county land.
Read note ->Local rules
In Grand County, the county seat is one of the smaller towns
Grand County's seat of government is Hot Sulphur Springs, while most county residents live in or near other towns and unincorporated areas.
Read note ->History and culture (10)
History and culture
Grand County is named for a river that no longer goes by that name
Grand County took its name from the Grand River, the old name for the upper Colorado River that begins within its borders.
Read note ->History and culture
Grand Lake's 1881 Boardwalk and Its Summer Musical Stage
Grand Lake pairs a wooden Old West boardwalk along Grand Avenue with a summer repertory theater that draws more than 1,200 actors to audition each year.
Read note ->Nearby counties
Other Mountains counties — rules, rates, and districts shift across county lines.