Resources

Guides and case studies for owners who want clear numbers.

Practical guides on bookkeeping, sales tax and cash flow for south Denver businesses and real estate investors, plus real examples of Kellcat’s work.

Guides

Sales tax · ColoradoColorado home-rule sales tax: why some cities need a second returnHow Highlands Ranch, Centennial and Castle Rock differ, and a checklist for your books.Read the guide →
Mountain town STR guides

Ski towns, town by town

What makes each town fun to visit, and the three rules every host asks about first: who licenses you, whether there’s a cap, and who collects the lodging tax. Rates change, so they live in each guide and the free PDFs.

Get the free Colorado & Utah guides
Covers of the free Kellcat Colorado and Utah Mountain Town STR Guides
For SaaS, marketplace & platform founders

Stripe Connect & Clean Books

Your Stripe deposits aren’t your revenue. A free 24-page field guide to payouts, Connect fund flows, refunds, disputes and a month-end that ties out to the penny.

Get the free Stripe guide
Stripe Connect & Clean Books Guide cover

Why it’s fun

Four ski mountains on one lift ticket, then summer hikes to the Maroon Bells and the Aspen Music Festival.

STR facts

License from
City of Aspen, Snowmass Village or Pitkin County
Cap
Yes Aspen caps Classic permits by zone
Who collects tax
Platforms collect the state layers. You file Aspen’s city taxes yourself.
Read the guide →

Why it’s fun

Five peaks above a Victorian Main Street, Ullr Fest in January and paddling on Lake Dillon in summer.

STR facts

License from
Town of Breckenridge or Summit County
Cap
Yes outside the Resort Zone and in county neighborhoods
Who collects tax
Platforms or a licensed manager handle it. Take a direct booking and you file.
Read the guide →

Why it’s fun

Colorado’s Wildflower Capital: steep skiing in winter, singletrack in summer, gold aspens on Kebler Pass in fall.

STR facts

License from
Town of Crested Butte or Mt. Crested Butte
Cap
Yes in Crested Butte; none in Mt. Crested Butte
Who collects tax
Airbnb collects town taxes in Crested Butte. Mt. Crested Butte owners still file a report.
Read the guide →
Colorado

Estes Park

Why it’s fun

The doorstep of Rocky Mountain National Park: Trail Ridge Road, alpine lakes and elk in town every fall.

STR facts

License from
Town of Estes Park or Larimer County
Cap
Yes in residential zones, town and county
Who collects tax
Every layer is state-run, so platforms collect it. Direct bookings go to the state.
Read the guide →

Why it’s fun

A real ranching town with Champagne Powder, hot springs and tubing on the Yampa River.

STR facts

License from
City of Steamboat Springs
Cap
Yes in Zone B; no STRs in Zone C
Who collects tax
Airbnb collects the city taxes. Check your Vrbo report, and file direct bookings yourself.
Read the guide →

Why it’s fun

A box canyon ringed by peaks, a free gondola, and the Bluegrass and Film festivals.

STR facts

License from
Town of Telluride or Town of Mountain Village
Cap
Yes Telluride limits owners to two STR units
Who collects tax
In Telluride you file town tax monthly for each unit, even on platforms. In Mountain Village, platforms remit.
Read the guide →

Why it’s fun

Legendary Back Bowls, Beaver Creek down the valley and the GoPro Mountain Games every June.

STR facts

License from
Town of Vail, Town of Avon or Eagle County
Cap
No no cap listed; Avon limits where STRs are allowed
Who collects tax
Airbnb collects most layers. Confirm Vail’s district tax, and file direct bookings yourself.
Read the guide →

Why it’s fun

The closest big resort to Denver: Mary Jane’s moguls in winter, Trestle Bike Park in summer.

STR facts

License from
Town of Winter Park, Town of Fraser or Grand County
Cap
No registration and fire inspections instead
Who collects tax
Platforms collect town and state taxes. Direct bookings: you file the town portion.
Read the guide →

Why it’s fun

Park City Mountain and Deer Valley side by side, a historic Main Street and Utah Olympic Park.

STR facts

License from
Park City or Summit County
Cap
No zoning decides where nightly rentals are allowed
Who collects tax
Utah requires platforms to collect. Direct bookings: you file in Utah’s TAP.
Read the guide →

Why it’s fun

Swim in the Homestead Crater, ride the Heber Valley Railroad and fish the Provo River.

STR facts

License from
Heber City, Midway or Wasatch County
Cap
No rentals only in set areas, like Midway’s overlay district
Who collects tax
Platforms collect Utah taxes. Direct bookings: you file in Utah’s TAP.
Read the guide →