A site plan indicates a building setback of 25 feet from the front property line. If the building is 40 feet deep and the lot is 100 feet deep, what is the rear yard depth?
Correct Answer
B) 35 feet
With a 25-foot front setback and 40-foot building depth, the building occupies 65 feet from the front property line. On a 100-foot deep lot, this leaves 35 feet for the rear yard.
Why This Is the Correct Answer
To find the rear yard depth, we must account for all space used from the front property line. The building starts 25 feet from the front (setback) and extends 40 feet deep, totaling 65 feet from the front property line. Since the total lot depth is 100 feet, the remaining space (100 - 65 = 35 feet) becomes the rear yard depth.
Why the Other Options Are Wrong
Option A: 25 feet
25 feet only represents the front setback distance, not the rear yard depth. This ignores the building's 40-foot depth that must be subtracted from the total lot depth.
Option C: 40 feet
40 feet is the building depth, not the rear yard depth. This answer fails to account for the front setback and doesn't calculate the remaining space behind the building.
Option D: 60 feet
60 feet would be incorrect as it appears to subtract only the building depth (40 feet) from the total lot depth (100 feet), ignoring the 25-foot front setback requirement.
Memory Technique
Remember 'Front to Back Math': Start at the front property line, add setback distance, add building depth, then subtract this total from lot depth to find what's left for the rear yard.
Reference Hint
Florida Building Code, Chapter 1, Zoning and Site Development sections, or local zoning ordinance chapters covering setback requirements and lot coverage calculations
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