About Us

Our law firm is small, mighty and packs an unrivaled legal punch. In the Washington D.C. area, we hold rank in real property tax, land use and zoning matters. The boutique size of our practice is intentional and allows us to concentrate on the niche practice areas to which we have dedicated our long careers. Our work is never distracted or diluted.

Practice Areas

At CastroHaase, commercial real estate law is in our blood. As an honored industry leader in Real Property Tax, Land Use and Zoning, our firm offers unique cross-sector expertise that is deep and focused. Our experience in land use and zoning gives us an enhanced understanding of issues related to valuation of real property in appeals of property tax assessments.  Likewise, our experience in property tax matters affords us a unique advantage in representing clients in land use and zoning matters. With earned prestige and decades of experience in our practice areas, we represent clients with confidence and success.

Recent News

CastroHaase is widely acknowledged as a leader in commercial real estate and zoning. See below for the latest press notices on our firm.


At CastroHaase, we believe knowledge is power and we openly share information and tools that can expedite the achievement of your goals. See below for easy access to such downloadable resources.

District of Columbia Office of Tax and Revenue assessment value database

District of Columbia Real Property Forms

Arlington County, VA Department of Taxation