Question 1

How much does an ADU or casita cost in Flagstaff, AZ?

Accepted Answer

Turnkey casitas in Flagstaff start at $94,900 all-inclusive for our Casita Studio 325 (325 sq ft), or about $492/mo with financing. Larger layouts such as the Casita Modern 400 (400 sq ft) start at $84,900 (~$597/mo). Final pricing depends on site conditions, utility connections and finish selections.

Question 2

How long do ADU permits take in Flagstaff?

Accepted Answer

Permits in Flagstaff typically run 12–16 weeks. We handle plans, submittals, corrections and inspections for you, and construction generally takes about 60 days after permits, financing and site readiness.

Question 3

Are ADUs allowed on my Flagstaff property?

Accepted Answer

City of Flagstaff actively encourages accessory dwelling units in most residential zones as part of its housing strategy. We confirm your exact lot, setbacks and utility layout during a free on-site assessment before you commit to anything.

Question 4

Can I rent out a casita in Flagstaff?

Accepted Answer

Most homeowners in Flagstaff build a casita for long-term rental income, multigenerational family living or a home office. Rental rules vary by municipality, so we review current Flagstaff occupancy and rental requirements with you during design.

Question 5

Do you offer financing for Flagstaff ADU projects?

Accepted Answer

Yes. We work with ADU-friendly lenders and renovation/HELOC options so most projects are paid monthly instead of upfront. Estimated payments shown assume 20% down, 30-year amortization and an estimated 10% fixed rate; your actual terms depend on lender approval.

Question 6

Are you licensed to build ADUs in Flagstaff?

Accepted Answer

Prime Builder AZ is a licensed, bonded and insured Arizona ROC contractor building ADUs, casitas and garage conversions throughout Coconino County — including Flagstaff. Call (602) 647-4799 to schedule your free site assessment.

ADU Builder in Flagstaff.

Flagstaff ADU Zoning

Begin your build.

Models we build here.

Casita Studio 325

Casita Nova 350

Casita Modern 400

Flagstaff ADU questions, answered.