Our Mission Statement

At J & S, it’s our mission to deliver impartial, accurate, and well-documented property damage assessments in accordance with industry standards. We approach every assignment with professionalism, technical expertise, and a commitment to clarity—ensuring that each claim is evaluated fairly, regardless of the parties involved.

With a thorough understanding of insurance practices and claim dynamics, we strive to facilitate informed, balanced resolutions that reflect the true scope of loss and uphold the integrity of the appraisal process.

Who We Are

Steven Logsdon

Man with glasses, mustache, and gray hair wearing a blue fleece jacket and a green shirt, standing outdoors in front of green leafy bushes.

Steve is a highly experienced General Adjuster and certified Appraiser/Umpire with over eight years of independent adjusting expertise, supported by more than 20 years in residential and commercial construction. Steve is a proud U.S. Navy veteran, and honed his precision, discipline, and problem-solving skills aboard a submarine—qualities that continue to define his work today.

As the President of JS Property Appraisals, Steve specializes in large-loss claims and complex appraisals. He is widely respected for his impartial approach in dispute resolution, particularly as an appraiser, umpire, and building consultant.

In addition to his claims expertise, Steve brings valuable insight from managing large-scale commercial projects, including work at high-security sites like Vandenberg Space Force Base, Fresno Air National Guard, and University California Merced / Bakersfield. Whether assessing structural damage or facilitating fair settlements, the combination of Steve’s field experience, technical proficiency, and integrity make him a trusted choice for appraisals.

Mark Logsdon

A man with a beard and bald head smiling, standing in front of green leafy bushes.

An experienced insurance appraiser and general adjuster, Mark has been working in property damage assessment, claims evaluation, and insurance consulting since 2014. He brings a proven track record in managing complex caseloads and delivering precise appraisals, with deep expertise in roofing systems, safety-critical environments, and modern construction methods.

Mark conducts thorough appraisals to determine accurate repair or replacement costs, supporting efficient and well-documented claim resolutions. He collaborates closely with opposing appraisers, contractors, and umpires, while staying current on evolving industry standards, regulations, and building codes.

During his time at Pilot Catastrophe Services, Mark led adjuster training programs focused on damage assessment and policy interpretation, all while managing up to 100 claims per month. His attention to detail and balanced approach have earned him recognition as a reliable, knowledgeable presence in the property claims field.

  • Thorough Claim Review

    We begin by analyzing your previous claim settlement, contractors estimates, public adjusters estimates, mitigation reports,  and existing claim details to fully understand your coverage and the scope of damage.

  • Accurate Damage Assessment

    Using industry-standard tools, we create a detailed and localized estimate that reflects true material and labor costs for your area.

  • Itemized Valuation

    We analyze discrepancies between the disputed costs of repairs and value them based on real-world pricing and construction costs.

  • Professional Representation

    We manage the appraisal process independently, working collaboratively with both parties’ appraisers to help reach a fair, accurate, and well-supported resolution.

  • New List Item

    Whether serving as the appointed umpire or coordinating with one during a claim, our Umpire Services are grounded in experience, impartiality, and industry best practices—ensuring fair, well-documented resolutions to disputed appraisals.