Whistling Studios
DIERX is a professional real estate appraisal firm serving San Francisco, San Mateo, Santa Clara, and Alameda Counties since 1982. With over four decades of industry experience, we deliver meticulous, reliable appraisal reports that meet the highest standards and empower informed real estate decisions.
Founded and led by Nancy Dierx, a Certified Residential Real Estate Appraiser, our firm is trusted by the lending community for prompt service, personalized attention, and unwavering commitment to excellence. We build strong relationships with our clients through clear communication and a hands-on approach throughout every appraisal.
Whether you're a realtor, attorney, lender, or homeowner, DIERX brings the competitive edge of deep market knowledge, integrity, and experience to navigate the ever-evolving cycles of Bay Area real estate.
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Our Services
Residential Real Estate Appraisal
Comprehensive appraisal services for residential properties across the Bay Area, backed by over 40 years of experience and meticulous attention to detail.
Lending Industry Reports
Thorough, reliable appraisal reports that meet the highest industry standards and are trusted by lenders throughout the San Francisco Bay Area.
Market Trend Analysis
Expert guidance on market cycles and property valuation trends, helping clients make informed decisions in a dynamic real estate environment.
Public Speaking & Education
Personalized presentations on appraisal standards and market trends for realtors, attorneys, lenders, and the general public.
