Song 75 percent ruleWorksheet for Determining Valuation of Alterations
DRAFT
Valuation 75%
Date 9/18/2023
2022-1135 I Reviewer I Eric Carter
Scope of Work Alteration
Baseline of Original
SF
ICC Val/SF
Valuation
SF of Existing House
1288
148.33
191049
SF of Existing Attached Garage
220
59.88
13173.6
SF of Existing Attached Carport
0
25
0
Total
1 204222.E
Additions
SF
ICC Val/SF
Valuation
To Existing House
392
148.33
58145.36
To Existing Garage
-220
59.88
-13173.6
To Existing Carport
0
25
0
Total
1 44971.7E
Alterations
Room or Area within house
(kitchen, dining, etc.)
SF
Extent of
Alteration
Adjusted
Area (SF)
ICC Val/SF
Adjusted
Valuation
kitchen
270
0.6
162
148.33
24029.46
bedrooms
752
0.4
300.8
148.33
44617.664
bathrooms
140
0.8
112
148.33
16612.96
bedroom 5
0
148.33
0
dinning
0
0
148.33
0
sitting/Entry
0
148.33
0
living
120
0.8
96
148.33
14239.68
roof
0
148.33
0
Basement
940
1
940
148.33
139430.2
0
148.33
0
0
148.33
0
0
148.33
0
Garage
0
59.88
0
Carport
0
25
0
Adjusted Valuation Total
1 238929.9E
(Total Valuation of Additions + Total of Adjusted Valuation of
Alterations)/ Total of Original = % of Market Value of Primary Structure
Or (B+C)/A=% of Market Value of Primary Structure
Formula 1 01 44971.7E 238930 (B+C)/A 71%
*Decks are not part of Primary Structure