How big of a shed / pole barn may I build?

The answer to this frequently asked question is stated in the following ordinance 01-2021

202.3 Accessory Structures
Accessory buildings may be permitted when they are constructed as an accessory to a new or existing dwelling. A detached garage is considered an accessory structure for the purposes of this Section. The number of allowed accessory structures and their height and square footage may not exceed the maximums shown below in Table 202.

Table 202 Accessory Structure Sizing

Lot Size	Maximum #	SF Ratio	Maximum Total Square Feet	Side Wall Height (feet)
Up to 1.4 acre	2		1500 sf	16 ft
1.5 -1.9 acres (1)	2	0.0255	Lot area X SF ratio	16 ft
2-4.9 acres (1)	3	0.0255	Lot area X SF ratio	16 ft
5 + acres	4		5442 sf	16 ft

(1) To determine maximum structure size in square feet multiply total lot size in square feet (1 acre = 43,560 sf) by the SF Ratio. Example: 2.5 ac x 43,560 sf = 108,900 sf. Multiply total sf by ratio from Table 202. For example: 108,900sf (0.0255) = 2777 sf maximum structure size allowed.

Go to Zoning Ordinances for further details.