Payment Due Dates
Fees are due at the time of application with the following exceptions:
Building and Right-of-way Permits
A plan check fee is due at the time of application for building, grading and sitework permits. Most remaining fees are due at the time of permit issuance. Excise taxes and plant investment fees are due either at the time the permit is issued or prior to scheduling final inspections, depending on the type of construction. Additional fees may apply for resubmittals and reinspections.
The fee is due at the time of application and upon annual renewal.
Development Review Projects
Hourly fees may also apply for certain application types after the city performs the initial review.
Floodplain Development Permits
An additional fee may be charged if revisions are required. A separate bill will be sent.
Rental Housing Licenses
The fee is due at the time of application and upon renewal every four years.
The fee is due at the time of application and upon renewal every three years. In addition, leases are charged an annual fee based on the square footage of the leased area.
Payment Types Accepted
Cash, checks, Visa, MasterCard and Discover are accepted in office. Credit cards and ACH/E-check payments are accepted on our website. There is a 2.85% service fee for in office and online credit card payments.
Sales/Use Tax on Permits
City of Boulder and Boulder County sales/use taxes are collected on:
- building and right-of-way permits;
- utility taps and meters; and
- publications and photocopies.
Sales/Use tax on permits is based on the cost of the construction materials used for the project, which the city estimates as follows:
- building permits: 50 percent of the total project valuation; and
- right-of-way and grading permits: 30 percent of the total project valuation.
Don't Pay the Sales/Use Tax Twice!
Construction material is any material that becomes an integral and inseparable part of a completed structure or project. Appliances, including but not limited to, stoves, refrigerators, washers and dryers are not considered construction material. For a complete listing of qualifying and non-qualifying materials, contact the city's Tax and Licensing Division.
Construction materials purchased after a permit is issued are exempt from city and county sales/use taxes at vendors throughout Colorado (3-2-9 (c) BRC). Present the permit number and project address to vendors when requesting this exemption (3-2-7 (c) (2) BRC).
Planning & Development Services does not refund sales/use tax after the time of permit application. However, a licensed contractor may request an audit at the completion of their project if they believe they overpaid tax on the actual material value of the project. Contact the city's Tax and Licensing Division for further information.
City Tax Rebate for Solar Permits
A partial city sales/use tax rebate is available for qualifying photovoltaic and solar thermal (hot water) systems. Learn more about the Solar Rebate and Solar Grant programs.
Tax-exemption is determined by the general contractor applying for the permit. Applicants must be listed on the Exempt License List to qualify for tax-exemption. Contact the city's Tax and Licensing Division for further information.
Tax-exempt entities are exempt from both city and county sales/use taxes if they are licensed and acting as their own contractor (Exempt Persons: 3-2-7). Private contractors working on behalf of a tax-exempt organization are exempt from county sales tax only (Exempt Persons: 3-2-7). Tax-exempt entities are not exempt from any other fees.
Plant Investment Fees
Plant Investment Fees (PIFs) are charged in order to utilize the city's water, wastewater and stormwater systems.
- Water and wastewater PIFs are calculated based on the project's number of bathrooms and increase in gallons per minute (gpm) demand. The gpm demand is based on the number and type of plumbing fixtures being fed by the project's water meter. Water, Wastewater and Irrigation Plant Investment Fee Calculation Worksheet.
- Irrigation PIFs are charged for multifamily and non-residential projects and are based on the gpm demand of the largest irrigated zone.
- Stormwater PIFs are charged for projects that increase the amount of impervious area on the site. For additional information, refer to the Stormwater Plant Investment Fee Calculation Worksheet.
Tenant Security Deposit Interest Rate
The interest rate for 2021 tenant security deposits is set at 0.07%, effective Friday, Jan. 1, 2021. This is the mathematical average of the one-year certificate of deposit from the top three financial institutions in Boulder, based on market share data as of Dec. 14, 2020.
Development Excise Taxes
These taxes are charged on new residential and non-residential development and non-residential additions in the city to fund the cost of future capital improvements, including transportation and parks improvements.
Education Excise Tax
This tax is charged on new residential development in the city to promote development of public educational facilities and services.
Housing Excise Tax
This tax is charged on new residential and non-residential development and non-residential additions in the city to promote the development and provision of housing in the city that is affordable to low-income households.
Requests for refunds must be initiated with a Project Specialist either in person at the Service Center or by phone at 303-441-1880. Refunds are not issued for electronic data.
Building Permit Fees
Building permit fees may be refunded if the applicant withdrew the application prior to commencing work. An inspection may be scheduled to verify that no work was completed. Taxes, plant investment fees and utility fees may be fully refunded; permit fees may be refunded at up to 80 percent. Plan check fees are non-refundable.
Development Review Fees
Development review fees may be refunded when an unambiguous written request to withdraw the application and refund the fee is received at the P&DS Center within five days of the date on which the application was received.