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Allenspark, CO
Generally Investor Friendly
Local STR Agent

Allenspark is located within unincorporated Boulder County. STRs ARE ALLOWED under Boulder County regulations, but operate under county-level jurisdiction. As an unincorporated area, Allenspark follows Boulder County's Short-Term Dwelling and Vacation Rental Licensing Ordinance (No. 2023-02) rather than city-specific rules. Property owners must obtain a county-issued license before operating any STR. Allenspark is classified as a "historic townsite," which impacts zoning allowances (see regulations below).
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This guide consolidates Boulder County’s regulations as they apply to Allenspark investors. Always verify zoning and tax obligations directly with county authorities before investing.




Allenspark is an unincorporated town, a post office, and a census-designated place (CDP) located in and governed by Boulder County, Colorado, United States. The CDP is a part of the Boulder, CO Metropolitan Statistical Area. The Allenspark post office has the ZIP code 80510. At the United States Census 2020, the population of the Allenspark CDP was 568.
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