Circa Real Estate Appraisers
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About Us

How Can Circa Help You?

  • We adhere to the highest Ethical Standards
  • Produce high quality appraisal reports
  • Electronic ordering and delivery
  • Competitive Pricing
  • Rapid turnaround

Professional Experience:

Jennifer Mainster is a Certified General Appraiser, State of Maryland #04-20230

Various courses at Essex Community College and Harford Community College
Continuing Education courses for Jennifer Mainster are current

Began appraising part time in 1991
Full time appraiser 1996
Achieved license 1997
Vice President, Circa, Ltd. 1997 to 2005
President, Circa, Ltd. present
Project Manager for civil engineering firm 1989-1996

Harford County Court
Habitat for Humanity Susquehanna, Inc.
Harford Family House

Certified General Appraiser, State of Maryland #04-20230
Appraisal Institute, Associate Member
Maryland Association of Appraisers, Inc.
Harford County Association of Realtors
Town of Bel Air Historic Preservation Commission
Mason Dixon Business Association
Daughters of the American Revolution
Ladies Auxiliary of the VFW, Treasurer

Zoning, General and Varied Case Work; Harford & Baltimore Counties. Bankruptcy Court; Miami, Florida

Roger Mainster, ASA is a Certified General Appraiser, State of Maryland #04-648

B.B.A. University of Miami, Coral Gables, Florida
Continuing Education courses for Roger Mainster are current

Licensed as a Real Estate Agent in 1955
Began appraising 1958, Eastern Federation of Mutual Insurance Companies
Vice President, W. Burton Guy & Co., Realtors, Appraisers, Mortgage Bankers, 1972- 1976
President, Roger Mainster, Inc., Realtors 1976-1986
Staff Appraiser, Bernard A. Page Associates 1982-88, varied casework, commercial and residential
Former Instructor of Real Estate, Dundalk Community College & Essex Community
President and Owner, CIRCA, LTD., 1984 to 2005, Real Estate Appraiser and Consultant, varied casework, commercial and residential. Now semi-retired.
Director, Harford County Assn. Of Realtors 1988-1995
Secretary through President, Harford County Assn. Of Realtors, 1990-1994
Director Maryland Association of Realtors, 1991-1995
District #5 Vice President, MAR 1997
President, Maryland Chapter #26, American Society of Appraisers 1997-1999
Director, Ahoy Condominium Association, Ocean City, Maryland 1998-00, Vice
President 2001-2003
Director, Downtown Bel Air Alliance, 2001-2003, Vice President 2003-2005

Senior Member, American Society of Appraisers
Certified General Appraiser, State of Maryland #04-648
Founding Member, National Assn. Of Realtors Appraisal

1992 Realtor of the Year, Harford County Assn. Of Realtors
1999 President’s award, Harford County Assn. Of Realtors
2005 Lifetime Contribution Award, Town of Bel Air, Maryland
2006 Lifetime Achievement Award, Harford County Assn. Of Realtors

Zoning, Harford & Baltimore Counties
US Bankruptcy Court, District of Maryland, Commonwealth of Pennsylvania
General & Varied Case Work; Baltimore City & County, Harford County, Cecil County, Worchester County, Maryland

Circa, Ltd Real Estate Appraisers services include:
Circa, Real Estate Appraisers - Commercial Circa, Real Estate Appraisers - Residential Circa, Real Estate Appraisers - Historcial


Proud Sponsor of:

Elkridge-Harford Hunt Club Manor Races
Home Partnership, Inc.
Habitat for Humanity Susquehanna, Inc.
Mrs. Maryland America Heather Ziehl
Mooseheart Annual Poker Run
The Town of Bel Air Chocolate Festival
The Town of Bel Air Christmas Parade


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Circa, Ltd. Real Estate Appraisers
P.O. Box 126
Darlington, Maryland 21034
(410) 457-5040