Accessory dwelling unit for rent — Boulder, CO
Last updated: September 24, 2026
What affects the price
Building an ADU involves variables that shift your total investment. The footprint size and complexity of the architectural design are primary factors. Are you planning a detached unit that requires new utility trenching, or is this a garage conversion that uses existing plumbing? Site accessibility, soil conditions, and your choice of finishes—like luxury flooring versus standard options—also play significant roles. Permitting fees vary widely depending on your local municipality and current zoning requirements. Exact pricing confirmed free on the call.
About this service
Using an ADU as a rental involves transforming a detached or attached space into a legal dwelling for long-term tenants. You should consider this if you want to generate consistent monthly income or help pay down your primary mortgage. Your final profit margin depends on local rental market rates, utility sub-metering, and ongoing property management costs. Exact pricing confirmed free on the call.
Frequently asked in Boulder
What ADU companies are available in Boulder?
What is the cost of an accessory dwelling unit?
The cost of an accessory dwelling unit varies based on size, design, materials, and site specifics. Factors like utility hookups and local labor rates also influence the price. Permitting fees are another consideration. We can provide a more accurate estimate after a consultation. Call us to discuss your project.
What is the accessory dwelling unit construction cost?
The accessory dwelling unit construction cost is influenced by size, design, materials, and site conditions. Local labor rates and permitting fees are also factors. Utility connections and landscaping add to the expense. We can provide a more accurate estimate after a consultation. Call us to discuss your project.
What is a modular accessory dwelling unit?
A modular ADU is constructed in sections in a factory and then assembled on your property. This method can offer consistent quality and potentially shorter build times. It's a modern approach to creating extra living space. We can explore this option with you for your Boulder home.
What's involved in getting an ADU permit?
An ADU permit involves submitting detailed plans to the city for review. These plans must comply with local zoning and building codes. You'll typically need architectural drawings and site plans. We can help you find professionals who can manage this process efficiently for your Boulder project.
Who are accessory dwelling unit builders in Boulder?
What makes an ADU affordable?
An affordable ADU often involves simpler designs, smaller footprints, and careful material selection. Prefabricated units can sometimes offer cost savings due to factory efficiencies. We can discuss strategies to make your ADU project more budget-friendly. Getting a detailed quote is the best first step.
Also serving nearby: Longmont · Westminster · Arvada · Thornton · Lakewood
More on this: HUD ADU resources — ADU policy and financing research.
Service area details
Serving all of Boulder — population 105,898; about 3,937 residents per square mile across 26.9 sq mi. ZIP codes covered include 80301, 80302, 80303, 80304, 80305, 80306, 80307, 80308.
Neighborhoods served in Boulder: Downtown Boulder, University Hill, Newlands, Table Mesa, Gunbarrel — and every surrounding area.
Areas we serve
Browse by state, then city.