Building Calculator

Spec home deal analysis

Property

House size1806 sf

Lot purchase price$50,000

Sale price of home$327,000

Construction

Build cost per square foot$96/sf

Utilities

Distance to sewer ($100/ft)0 ft

Distance to water ($100/ft)0 ft

Builder compensation

Builder % of construction cost15%

Builder base fee (paid at close)$0

Profit threshold before bonus kicks in$0

Builder bonus (% of profit above threshold)0%

Transaction

Listing agent commission3%

Buyer agent commission3%

Listing agent retainer fee$0

Investor profit

$53,093

Builder total fee

$26,006

Investor ROI

23.8%

Capital out of pocket

$223,376

Gross profit (pre-builder)

$79,099

Builder fee breakdown

$0 base only (bonus is 0%)

Tom

Investor

Tom: 32.9% of gross profitInvestor: 67.1%

Where the sale price goes

$50,000

$173,376

$53,093

Lot: $50,000

Construction: $173,376

Commissions: $19,620

Title/escrow: $4,905

Builder fee: $26,006

Investor profit: $53,093

Full breakdown

Sale price181/sf

$327,000

INVESTOR CAPITAL (out of pocket)

Lot purchase

($50,000)

Construction$96/sf x 1806 sf

($173,376)

Total capital required$124/sf

($223,376)

TRANSACTION COSTS (paid at close)

Listing commission3%

($9,810)

Buyer commission3%

($9,810)

Title/escrow1.5%

($4,905)

Total transaction costs

($24,525)

Gross profit (before builder fee)

$79,099

BUILDER COMPENSATION (paid at close)

Builder % of cost15% of $173,376

($26,006)

Builder base fee

($0)

Builder bonusnone

($0)

Total builder fee

($26,006)

Investor profit$53,093

Sale price per sf

$181

Capital per sf

$124

Builder fee per sf

$14

Investor profit per sf

$29

This calculator is provided for informational and educational purposes only. It does not constitute financial, legal, tax, or investment advice. All projections are estimates based on user inputs and may not reflect actual costs, returns, or market conditions. Consult with a qualified accountant and attorney before making any investment decisions.