Our firm concentration is entirely in real estate tax appeals. Because of this singular focus, we are 100% committed to your appeal. We have immersed ourselves in this area of law and have worked shoulder to shoulder with thought leaders in the field both in the private sector and on the government side for the more than 40 years, giving our clients an advantage that is unique in this field of practice.

Siegel & Callahan’s representations include:


Large scale industrial facilities, such as warehouses, distribution, centers, water treatment facilities, private utilities and manufacturing plants.


A vast range of commercial properties, including office buildings, restaurants, storage facilities, gas stations, strip malls, grocery stores, golf courses, hotel, and motel properties.

Residential Apartment Buildings and Developments

Multi-family properties, ranging from two-flats to apartment complexes containing hundreds of units. Including low-income housing developments.

Single-Family Homes

Single-family homes throughout Cook and Lake Counties with a specific concentration in high-value ravine and lakefront homes.


Condominiums ranging from three to several thousand units.

New Developments

We have appealed assessments for developers and builders with particular attention to complex valuation issues presented by partially constructed multi-phase developments.

Incentive Classes

Siegel & Callahan has represented property owners both in securing and renewing incentive classification in urban and suburban locations.


Let us show you how our attorneys and experienced professionals can help you achieve the fair tax treatment that’s critical to your success.

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