Mark Harrison
Harrison Taxes · Riverside, CA
EAEnrolled agent
Registered, with a credential
This preparer is in the IRS registry and holds a credential (Enrolled agent) that allows them to represent you before the IRS.
- IRS registry
- PTIN holder, on the IRS's list dated Aug 14, 2026
- Credentials
- EASRTPAFSP
- Business
- Harrison Taxes
- Business address
- 4823 Charlotte Way, Riverside, CA 92504
- County
- Riverside County
- Phone
- (840) 356-1081
- EA
Enrolled agent. Licensed by the IRS itself after passing a three-part IRS exam and a background check. Can represent you before the IRS on any tax matter.
- SRTP
Supervised preparer. Works under the supervision of a CPA, enrolled agent or attorney at the same firm.
- AFSP
Annual Filing Season Program. Completed the IRS's voluntary yearly continuing-education program. Can represent clients whose returns they prepared, in limited situations.