General requirements
Baltimore City Code, Building Codes, Part II, Section D102
in effectSection D102. General requirements
New buildings and structures, and additions to existing buildings and structures, within the Downtown Fire District must be constructed:
1. within the height and area limitations of § 503 {“General Building Height and Area Limitations”} of this Code, and
2. of 1 of the following types of construction, as defined in Chapter 6 {“Types of Construction”} and regulated in Tables 601 {“Fire-Resistant Rating Requirements for Building Elements”} and 602 {“Fire-Resistant Rating Requirements for Exterior Walls”} of this Code:
a. fireproof (Type I),
b. protected noncombustible (Types IIA and IIB),
c. ordinary protected (Type IIIA), or
d. heavy timber (Type IV).
Source: City of Baltimore Department of Legislative Reference, City of Baltimore Law Library (codes.baltimorecity.gov; Open Law Library bulk XML)URL: https://codes.baltimorecity.gov/us/md/cities/baltimore/code/building-codes/II/attachments/D#/us/md/cities/baltimore/code/building-codes/II/D102Fetched: 10/25/2026