NEW
dealr.tax now supports multi-state lookups!

Easy Interface

Get the data you need quickly using the clean and easy-to-use dealr.tax interface.

CO Certified

Rest assured knowning our database is certified under Colorado's "Hold Harmless" statute.

Autocomplete

Start typing your address and automagically see a list of likely matches.

For Dealers

Access auto use tax by address for your financed deals so your titles don't get kicked back.

For Construction

Determine building use tax for building materials and material deliveries

For Developers

Access our documented API to easily integrate the dealr.tax rate lookup into your systems.