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Pub-124, Construction Terminology

About this publication

The following glossary refers to construction terminology. However, this is not a complete listing for all building terms. Furthermore, the definitions and abbreviations reflect local usage as applied to building construction. Use the glossary only as a guide to better identify and understand the items.

The information in this publication is current as of the date of the publication. The contents of this publication are informational only and do not take the place of statutes, rules, or court decisions. For many topics covered in this publication, we have provided a reference to the Illinois Property Tax Code for further clarification or more detail at 35 ILCS 200/1 et seq.

Get more information and forms faster and easier at tax.illinois.gov..

Terms

Term Definition

Abbreviations

Abbreviation Description

Land Abbreviations

Land Abbreviations
AC Acre
175 AV Average depth of lot 175'
CI Corner influence
LF Linear foot
LI Land improvement
R 75' Real lot frontage of 75'
SF Square foot
Topo Topography
UD Undeveloped lot
XD Excess depth of lot
XF Excess frontage

Symbol Explanations

Indicated cost in dollar amount
Square feet in diagram area - outside measurements
# Number; pounds
1E One end
2E Two (or both) ends
1S One side
2S Two sides
Wall height ground to eave
Square foot
/ Per
Diameter

For Information or Forms

Visit our web site at tax.illinois.gov.

Call us at 217 785-1356.

Call our TDD (telecommunications device for the deaf) at 1 800 544-5304.

For assistance, click on “Taxpayer Answer Center” on our web site at tax.illinois.gov.

(Pub-125 - May 2019)