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Latta, Harris, Hanon & Penningroth, L.L.P. Changes its Name, Redesigns Logo

Latta, Harris, Hanon & Penningroth, L.L.P. formally announces a change in the firm’s name to LattaHarris, LLP, effective January 1, 2015. The Firm has been informally referred to as such since its inception and is well recognized as LattaHarris throughout its professional and local communities. The Firm was formed in 1981, in Washington, Iowa. Since that time the Firm has expanded and now includes a staff of approximately eighty people with offices in Cedar Rapids, Durant, Grundy Center, Iowa City, Kalona, Sigourney, Tama, Tipton and Washington. LattaHarris offers a wide range of professional services to closely-held business and individual clients throughout the Midwest. These services include auditing, accounting and bookkeeping, consulting, business valuations, tax planning and compliance services, succession planning and more. LattaHarris managing partner Mark Penningroth comments “With the revitalization of our name and brand, we are continuing to expand the depth and breadth of our service areas. Our focus will continue to be the success of our clients. The updated name coupled with the new logo has been developed to reflect this effort.”  

Welcome and thank you for visiting our Website. In addition to providing you with a profile of our firm and the services we provide, this Website has been designed to become a helpful resource tool to you, our valued clients and visitors. Our dedication to superior client service has brought us to the Internet as we endeavor to continue to provide the highest quality professional service and guidance in tax and accounting.


As you browse through our Website, you will see that not only have we highlighted background information on our firm and the services we provide, but have also included useful resources such as informative articles (in our Newsletter section) and interactive financial calculators (in our Financial Tools section). In addition, we have taken the time to gather many links to external Websites that we felt would be of interest to our clients and visitors (in our Internet Links section).


While browsing through our Website, please feel free to contact any of our offices with any questions or comments you may have - we'd love to hear from you. We pride ourselves on being proactive and responsive to our clients' inquiries and suggestions.


Washington Office


116 West Main Street
Washington, IA 52353
Telephone: 319-653-6684
Fax: 319-653-6801


Iowa City Office


2730 Naples Avenue SW Suite #101
Iowa City, IA 52240
Telephone: 319-358-0520
Fax: 319-358-0503


Tipton Office


1201 North Avenue
Tipton, IA 52772
Telephone: 563-886-2187
Fax: 563-886-6497


Cedar Rapids Office


3037 Center Point Road NE
Cedar Rapids, IA 52402
Telephone: 319-366-2163
Fax: 319-366-7710


Grundy Center Office


618 G Avenue
Grundy Center, IA 50638
Telephone: 319-824-5221
Fax: 319-824-5225


Tama Office


124 West Third Street, PO Box 7
Tama, IA 52339
Telephone: 641-484-3000
Fax: 641-484-6818