Monday Tax | Top Accountants & CPAs in Phoenix

Monday Tax is a three-generation, family-owned accounting firm on North 36th Street in Phoenix, founded in 1962 by Gene C. Monday. Today it is led by Paul Mehle, a CPA since the late 1970s, and his son Nicholas Mehle, who holds a master’s in taxation from Arizona State University and earned his CPA license in 2022. Kelsey Mehle joined in 2024 with 15 years of accounting experience, adding full-service bookkeeping. The firm prepares individual returns, from a single W-2 to multiple income sources and deductions, and handles business tax preparation with a focus on capturing deductions and keeping up with tax code changes. Clients also get help with real estate investment tax strategy and monthly bookkeeping that keeps records accurate and audit-ready. Visits are by appointment; call (602) 212-1800 to schedule.