Preliminary Development Pro Forma

Use the calculator below to explore how development assumptions impact the anticipated profit of development sites.

Test different scenarios for land price, revenue, costs, and financing to understand how these changes influence project viability

SiteMentor Back-of-Napkin Development Proforma

1. Project Size

Estimate gross buildable and net saleable or rentable floor area.

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sf
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%
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sf
Gross Buildable Area
Saleable Area
Estimated Unit Count

2. Revenue & Valuation

Choose the method that best matches the proposed development.

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$/sf
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%
Average Unit Price
Gross Revenue
Net Revenue

3. Costs

Apply simplified cost allowances to gross buildable area.

Design, legal and marketing, municipal fees, financing and contingency are each calculated as a percentage of hard construction costs.

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$
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% of land
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$/sf
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%
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%
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%
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%
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$
Hard Construction Cost
Important: This calculator is intended for preliminary educational analysis only. The income approach assumes stabilized occupancy and capitalizes annual NOI directly. A complete development proforma may also include vacancy, lease-up, tenant inducements, taxes, escalation, phasing, absorption, detailed financing schedules, carrying costs and other project-specific items.