JLL VALUATION & ADVISORY SERVICES, LLC

JLL Valuation & Advisory Services, LLC specializes in real estate appraisal and expert witness services for federal litigation and audit defense, with deep expertise in forensic property valuation, tax abatement analysis, and litigation support for complex real estate disputes. The firm delivers technically rigorous appraisals aligned with USPAP standards and provides expert testimony in administrative and judicial proceedings, particularly in IRS audit defense, forensic accounting, and valuation challenges involving federal property. Their technical proficiency includes commercial and residential property analysis, income capitalization approaches, market trend modeling, and expert witness preparation tailored to federal agency requirements. The contractor maintains a strong, sustained relationship with the Department of the Treasury, primarily supporting IRS functions through expert witness services for tax-related property disputes and audit defense. They also deliver litigation consulting to the Department of Justice, offering specialized real estate valuation expertise in civil and criminal proceedings. The Department of Veterans Affairs engages them for appraisal and consultation support, indicating trusted advisory roles in federal asset management. These engagements reflect a pattern of recurring, high-stakes technical support in regulatory and legal contexts. The primary NAICS code 531320 reflects core competency in real estate appraisal services, while secondary work under 541199 underscores integration of valuation expertise with legal advocacy. The firm positions itself as a niche provider at the intersection of real estate economics and federal legal proceedings, serving agencies that require defensible, court-admissible property valuations. Their market focus is on high-compliance, litigation-adjacent government work requiring precision, documentation rigor, and regulatory alignment. JLL Valuation & Advisory Services, LLC is a limited liability entity headquartered in Chicago, Illinois, with no federal certifications on record. The firm operates as a specialized professional services provider, leveraging its geographic presence to support nationwide federal engagements while maintaining a focused footprint in the government real estate and legal advisory market.