Parker, CO sales tax: the 8 percent rate, groceries, use tax and the town license

The sales tax rate in Parker, Colorado is 8 percent at most addresses: 3 percent to the Town of Parker, 2.9 percent to the state, 1 percent to Douglas County, 1 percent to RTD and 0.1 percent to the cultural facilities district. Locations outside RTD pay 7 percent.

Any rate lookup site will give you that number. What it won't tell you is that Parker taxes groceries when the state and county don't, that the town runs its own sales tax office apart from the state, or that a Parker mailing address doesn't always put you inside the town. Those are the parts that end up on a tax preparer's desk.

What is the sales tax rate in Parker, CO?

Five taxes add up to the Parker rate. The Colorado Department of Revenue collects four of them, and the town collects its own 3 percent.

Tax	Inside RTD	Outside RTD
Town of Parker	3.0%	3.0%
State of Colorado	2.9%	2.9%
Douglas County	1.0%	1.0%
Regional Transportation District (RTD)	1.0%	0%
Scientific and Cultural Facilities District	0.1%	0.1%
Total	8.0%	7.0%

The state's DR 1002 rate publication puts the Town of Parker inside RTD, and the town's own rate page lists the 7 percent total for locations outside it. All of Parker is inside the cultural facilities district. None of these rates changed on January 1 or July 1, 2026.

For one specific address, the state's sales tax lookup tool shows every state-collected jurisdiction that applies, and the Department of Revenue treats a dated screen print of the result as proof that you relied on it. RTD answers boundary questions at 303-299-6000.

Does Parker tax groceries?

Yes, at 3 percent. Colorado, Douglas County, RTD and the cultural facilities district all exempt food for home consumption, which is why a grocery bill in Highlands Ranch carries no sales tax at all. Parker doesn't exempt it, so groceries bought in town carry the town's 3 percent while everything else taxable carries the full 8.

Groceries have been taxed in Parker since voters approved the town's first 1 percent sales tax in 1981. The town says the grocery tax brought in about $13.2 million in 2023, close to a fifth of its sales tax revenue. A citizens' committee started a petition to repeal it in 2024 and withdrew that April, before anything reached the ballot. The town's current sales tax return, revised in January 2026, still has no deduction line for grocery sales.

Why does Parker collect its own sales tax?

Parker is a home rule town and has chosen to run its own sales tax. The DR 1002 lists it among the home rule cities for which the state does not collect local tax, and the town's Sales Tax Division handles licensing, collection and enforcement itself. For a shopper, none of that changes anything. For a business it means two accounts:

• A Colorado sales tax license and a state return, filed with the Department of Revenue, covering the state's 2.9 percent plus the county, RTD and cultural district taxes.
• A Town of Parker Business and Tax License and a separate Parker return for the town's 3 percent. Hotels also report the town's 3 percent lodging tax on it.

Parker's return is due on the 20th of the month after the period ends. You file monthly if you collect more than $300 a month in town tax, quarterly below that, and once a year below $15 a month. The return has to be filed even when the total due is zero, and that's the rule most likely to catch a slow month or a seasonal business. Returns can be filed and paid online through the town's Xpress Bill Pay portal; paper returns carry a $10 administrative fee.

Late returns cost a penalty of $10 or 15 percent of the tax, whichever is greater, plus interest at 1.5 percent a month. File on time and you keep 3.33 percent of the town tax as a collection fee, up to $200 a return. Colorado stopped allowing that fee on the state's 2.9 percent on January 1, 2026, though the county, RTD and cultural district portions still carry one.

Does a Parker business need a license if it doesn't collect sales tax?

Yes. The town requires every person engaged in business in Parker to comply with its licensing and tax laws, and its application has a box for businesses that collect no sales tax at all. Consultants, contractors, and anyone else selling labor instead of goods still apply. Home-based businesses add a Home Occupation Affidavit, and in-home daycares add a checklist.

The license costs nothing now that Parker has dropped its fee, and each one runs two years, expiring December 31 of every even-numbered year. Every current Parker license expires on December 31, 2026, and the town takes renewals through an online form. New applications go to the Sales Tax Division by email or mail, and the town asks for at least two weeks to approve one.

The Parker license doesn't replace the state's. A business selling taxable goods also needs a Colorado sales tax license, and the Parker application asks for that state number. What the license rule means for service businesses, and why it goes unnoticed for years, is on our Parker tax preparation page.

What is Parker's use tax?

Use tax covers things used in town when town sales tax wasn't paid on the purchase. Parker's is 3 percent, and it reaches only three categories:

• Construction and building materials. The town collects an estimated prepayment when it issues a building permit, and the owner later files a reconciliation showing what the materials actually cost.
• Construction equipment, when municipal sales tax wasn't paid on it.
• Motor vehicles registered to a Parker address, when Parker sales tax wasn't paid on the purchase.

Parker has no consumer use tax. An online order from a seller that skipped the town's 3 percent doesn't create a Parker bill, although Colorado consumer use tax can still apply to the state portion. Douglas County charges its own 1 percent use tax on vehicles and building materials, and for a car, the Douglas County clerk collects any local use tax that wasn't charged at the sale before titling and registration.

Does a Parker mailing address mean Parker sales tax?

Not always. The town sits in two ZIP codes, 80134 and 80138, and its rate page tells businesses to verify an address before assuming it's in town. Stonegate is the common example: it uses Parker mailing addresses and the 80134 ZIP code, but it's unincorporated Douglas County, so the town's 3 percent, its license and its use tax don't reach it. Deliveries count the same way. Parker's return lets a business deduct sales shipped out of town, so a Mainstreet shop delivering to a Stonegate house doesn't owe the town rate on that sale.

Where sales tax shows up on your income tax return

Usually it doesn't, which is why people are surprised when it does. If you itemize, Schedule A lets you deduct either state and local income tax or general sales tax, not both. For most Colorado households the income tax figure is larger. A year with a big purchase, such as a car bought at Parker's 8 percent, is when the sales tax election is worth running. Either way the deduction shares the state and local tax limit, $40,000 per the IRS ($20,000 married filing separately), with your Douglas County property tax.

Business sales tax returns go to the town and the state, and nothing on a Schedule C or an 1120-S files them for you. A small business tax return is still a good point in the year to check that the Parker license, the state license and the filing frequency match what the business actually does now. Our small business deductions checklist covers the income tax side.

Who to call

Questions about a Parker sales tax return go to the town's Sales Tax Division at 303-805-3228. The state portion goes to the Department of Revenue. Where we come in is the income tax return those businesses and households file every spring. Charles Trautman is an IRS Enrolled Agent and has prepared individual, small business, and prior-year returns from the Lone Tree office since 2010, a straight run west on Lincoln Avenue from Parker. Individual returns and business returns can both be handled through our secure portal without a trip to Park Meadows.

Common questions

Sources

• Town of Parker: Sales and use tax rates
• Town of Parker: Use tax
• Town of Parker: Business and tax licenses
• Town of Parker: Business and tax license renewal
• Town of Parker: File and pay your tax return
• Town of Parker: Sales tax return, revised January 2026
• Let's Talk Parker: Budget and finances FAQs (grocery tax)
• Colorado Department of Revenue: DR 1002 sales and use tax rates
• Colorado Department of Revenue: Sales tax rate changes
• Colorado Department of Revenue: Sales tax guide
• Colorado Department of Revenue: Motor vehicle sales
• IRS: Topic 503, Deductible taxes

General information from Tax Shop in Lone Tree, Colorado, written by Charles Trautman, EA, and current as of September 18, 2026. Towns and the state can change sales tax rates and rules, so confirm current figures with the Town of Parker and the Colorado Department of Revenue before relying on them. Call us about the income tax side.