Notification of Negotiations for a Brownfields Development Agreement for the Delsteel Property OU-5 Site, Wilmington, (DE-1359)

Division of Waste and Hazardous Substances

Published: April 16, 2023

Pursuant to the Hazardous Substance Cleanup Act (HSCA), 7 Del. C. Chapter 91, §9126, the Department of Natural Resources and Environmental Control (DNREC) is required to issue a public notice within twenty days after entering into negotiations for a Certified Brownfields Development Agreement (BDA). A BDA is an agreement between DNREC and a Certified Brownfields Developer with respect to a Certified Brownfield Site that sets forth a scope of work and schedule of remedial activities during the development of the Site.

DNREC’s Remediation Section (DNREC-RS) is negotiating a BDA with the Delaware Affordable Housing Group, LLC regarding the DelSteel Property Operable Unit-5 (OU-5) Site (DE-1359) (Site) located in Wilmington in New Castle County and identified as tax parcel number(s):

AddressParcel #
3310 North Market Street2601630181
3312 North Market Street2601630180
3314 North Market Street2601630179
3316 North Market Street2601630178
3318 North Market Street2601630177
3320 North Market Street2601630176
3322 North Market Street2601630175
3324 North Market Street2601630174
3326 North Market Street2601630173
AddressParcel #
3328 North Market Street2601630172
3330 North Market Street2601620169
136 McMullen Circle2602310093
138 McMullen Circle2602310092
140 McMullen Circle2602310091
142 McMullen Circle2602310090
144 McMullen Circle2601630126
146 McMullen Circle2601630125

in Wilmington, Delaware. The Site may have had a release of hazardous substances as a result of historical activities on site. For more information, please see DNREC’s navigator at:

Learn more about this Site and other Certified Brownfield sites by accessing the web page at or by contacting the DNREC-RS Project Manager, Tracy Spinden at (302) 395-2600 or