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Formal Education:

University of Arizona, 1975

College of San Mateo – Various Appraisal Courses

Appraisal Institute – Various Appraisal Courses


Primary Market Areas:

San Francisco County

San Mateo County

Santa Clara County 



Primary Practice Focus:

Single Family Residential, High Value Residential ($10MIL+), Condominium Units, 2-4 Unit Small Residential Income



Business Services:

Residential Valuation Services - Appraisal for Conventional and Private Money Lenders, Estate Tax Appraisal, IRS Appraisal, Rent Surveys, Residential Land Appraisal

Property Types:




  • Single Family

  • Condo

  • Multi-Family Project (Townhouse, Condo, Etc)

  • High Value Residential

  • Retrospective

  • Low Income and/or Affordable Housing

  • Unique Property



Ownership Forms:


Fee Simple Interest • Ground Lease • Leased Fee Interest • Leasehold Interest • Life Estate • Partial Interest 


Isabel is a co-founder of Detailed Analysis. She has been appraising residential real estate in San Mateo, San Francisco, and Santa Clara counties since 1985. During her time as an appraiser, Isabel has personally trained over 30 residential appraisers. She specializes in ultra luxury and high-value ($10MIL+) single family residential appraising; however, she is familiar with all residential property appraisal. Regarded as a expert in residential market trends and nuances, Isabel is considered a resource for many seasoned brokers, appraisers, attorneys, and accounting firms. 










Isabel A. O'Malley, AR - Certified Residential Appraiser | Principal

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