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Business Details
40 Years
experience
Trusted Real Estate Appraisal Services in the Pacific Northwest
Gem Valley Appraisal was founded in 1986 and has established itself as a leader in real estate valuation services across the Pacific Northwest. We specialize in commercial, residential, agricultural, and specialty property appraisals, guided by the highest professional standards. Our team includes MAI Designated appraisers with advanced degrees and certifications in Idaho and Washington. Over decades, we have built expertise in statistical modeling, GIS mapping, and economic feasibility analysis while maintaining a commitment to client-focused service. We adhere strictly to the Appraisal Institutes guidelines and Uniform Standards of Professional Appraisal Practice, ensuring reliable, transparent valuations.

Our work with organizations like the Idaho Transportation Department and University of Idaho demonstrates our capacity for large-scale projects. We prioritize timely delivery, rigorous data analysis, and clear reporting tailored to each clients scope of work. With coverage across North Idaho and Eastern/Central Washington, we combine local market knowledge with technical excellence. Our office manager oversees all operational aspects, ensuring seamless service delivery. We remain dedicated to advancing appraisal education through teaching and industry engagement.
Services
Commercial Appraisals Residential Appraisals Agricultural Valuations Right-of-Way Acquisitions Conservation Easement Valuation Feasibility Consulting Industrial Property Analysis Multi-Family Assessments Specialty Use Properties Market Studies
Details
  • Year established: 1986
Highlights and features
  • We have over 20 years of experience in regional real estate valuations
  • Both appraisers hold MAI Designations from the Appraisal Institute
  • Specialize in commercial, residential, and agricultural property types
  • Offer statistical modeling and GIS mapping technical expertise
  • Consistently meet delivery deadlines with USPAP-compliant reporting
Associations and certifications
  • Appraisal Institute
Services
Commercial Appraisals
Professional valuation of commercial properties including office buildings, retail spaces, and multi-family complexes. Our MAI-certified appraisers utilize advanced statistical modeling and market analysis techniques. Reports meet Uniform Standards of Professional Appraisal Practice requirements for lending, litigation, or investment purposes.
Residential Appraisals
Detailed assessment of single-family homes and residential properties. We provide accurate market value determinations for mortgage lending, property tax appeals, or estate settlements. Our appraisers maintain current knowledge of local housing market trends across the Pacific Northwest.
Agricultural Valuations
Specialized appraisal services for farmland, crop storage facilities, and agricultural operations. We understand the unique valuation challenges of rural properties including dryland farming, timberland, and commodity storage facilities across Idaho and Washington.
Right-of-Way Acquisitions
Precise valuation of property rights for infrastructure projects. Our experience includes highway expansions and utility corridor acquisitions. We provide defensible value determinations that balance public needs with property owner interests.
Conservation Easement
Expert valuation of conservation easements for tax credit programs and land preservation initiatives. Our appraisers follow specific methodologies required for donated or purchased conservation restrictions.
People
Ruby Stroschein
Founder / Appraiser
Certified General Appraiser with MAI Designation, Master's in Applied Economics, registered in Idaho and Washington, 35+ years' experience in real estate valuation, founder since 1986.
Sarah Miles
Certified General Appraiser
MAI Designated appraiser with Idaho and Washington certification, Bachelors of Science in Business Finance, 20+ years of experience in commercial and residential appraisals, agricultural property specialist.
Tammy Stamper
Office Manager
Oversees accounting and operations since 2006, coordinates appraisal scheduling, manages data verification, provides administrative support for complex valuation projects across multiple states.
Questions
What geographic areas do you service?
We cover North Idaho including Moscow-Pullman and Lewiston-Clarkston, Eastern/Central Washington including Spokane Valley, and Walla Walla-Tri-Cities regions.
What qualifications do your appraisers have?
Both lead appraisers hold MAI Designations from the Appraisal Institute, with certifications in Idaho and Washington, and advanced degrees in economics and finance.
What property types do you appraise?
We handle commercial, residential, agricultural, industrial, specialty use properties, conservation easements, and right-of-way acquisitions across the Pacific Northwest.
What standards do you follow?
All appraisals adhere to Uniform Standards of Professional Appraisal Practice (USPAP) and Appraisal Institute guidelines for methodological consistency and reporting accuracy.
How quickly can you complete an appraisal?
Typical turnaround depends on project complexity but we commit to meeting delivery deadlines through efficient data collection and analysis processes.