Commercial Investment Real Estate Summer 2022 | Page 17

Analysis of Development Alternatives for a Single-Family Home
Alternative 1
Alternative 2
Alternative 3
Site Acres
0.5
0.5
0.5
Beds / Baths
4 beds / 3 baths
4 beds / 3 baths
4 beds / 2.5 baths
Special Features
Carpet
Hardwood
Hardwood
Estimated Approvable Building sf
2,500
2,500
2,500
1 . Value of Brand New Construction *
$ 600,000
$ 625,000
$ 575,000
Hard Cost ( per sf )
$ 145
$ 150
$ 140
Hard Cost ($ per sf x building sf )
$ 362,500
$ 375,000
$ 350,000
Soft Cost ( 10 % of Hard Cost )
36,250
$ 37,500
$ 35,000
Incentive ( 20 % of Hard and Soft Costs )
$ 79,750
$ 82,500
$ 77,000
Replacement Cost , New ( RCN )
$ 478,500
$ 495,000
$ 462,000
Site Improvements ( 10 % of RCN )**
$ 47,850
$ 49,500
$ 46,200
Site Infrastructure ( 5 % of RCN )
$ 23,925
$ 24,750
$ 23,100
2 . Total Construction Costs
$ 550,275
$ 569,250
$ 531,300
Residual Raw Land Value ( 1 - 2 )
$ 49,725
$ 55,750
$ 43,700
Residual Raw Land Value ($ per sf )
$ 19.89
$ 22.30
$ 17.48
Residual Raw Land Value ($ per acre )
$ 99,450
$ 111,500
$ 87,400
* Estimated costs ** Site infrastructure refers to physical site improvements to the land that are not
depreciable ( like grading , storm basins , and utility extension ), while site improvements refer to
depreciable components ( like sidewalks , driveways , and landscaping ).
a concept known as “ transferred value ,” which contends that a development may be financially feasible if one considers the enhancement to business / brand value as well ( i . e . not all of the project value is derived from real estate ). In this way , owner-users who develop land may employ a land residual analysis based on a combination of 1 ) the value of the real estate when complete , and 2 ) the increase in business value from having a better location and newer buildings to attract clients , thus resulting in a willingness to pay an amount for land that rarely pencils when viewed strictly from a real estate financial feasibility perspective .
Another weakness in utilizing the land sales comparison approach exclusively is that without a site survey or engineer analysis of development potential based on zoning and setback requirements , the differences in development density between sites may significantly deviate , making any comparison less credible . In short , the residual analysis is an ideal analysis if the approvable building area , estimated cost to construct , and development risk are credibly input .
decisions are often based on enhancements to business / brand value as a result of relocating , renovating , or ground-up developing in a visible or accessible location . These development decisions rarely result in real estate financial feasibility due to the location and development criteria being specific to each user . In other words , the project may be financially feasible , holistically , but it is not financially feasible from the real estate value perspective alone . This is
Michael J . Rohm , CCIM , MAI Founder of Commonwealth Commercial Appraisal Group & Senior Associate at
Landmark Commercial Realty Contact him at mrohm @ landmarkcr . com .

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