Deck Building Cost Calculator
Give your deck building business a competitive edge with an instant estimate calculator. This tool helps homeowners understand construction costs based on deck size, material type, height, railings, stairs, and additional features. Convert more website visitors into qualified leads by providing transparent pricing upfront.
Try the Calculator
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export function deckBuildingCalculator(form: FormTs) {
// Base prices per square foot by material (includes labor)
const materialPrices: Record<string, number> = {
'pressure-treated': 25,
'cedar': 35,
'redwood': 45,
'composite-standard': 40,
'composite-premium': 55,
'pvc': 50,
'ipe': 70,
'aluminum': 60
};
form.addRow(row => {
row.addTextPanel('header', {
computedValue: () => 'Deck Building Estimate',
customStyles: { 'font-size': '1.5rem', 'font-weight': '600', 'color': '#1e293b' }
});
});
form.addSpacer({ height: 20 });
// Service Location Section
const locationSection = form.addSubform('serviceLocation', { title: '📍 Project Location' });
locationSection.addRow(row => {
row.addAddress('propertyAddress', {
label: 'Property Address',
placeholder: 'Enter your property address...',
showMap: true,
showDistance: true,
referenceAddress: {
formattedAddress: 'Service Center, Denver, CO',
coordinates: { lat: 39.7392, lng: -104.9903 }
},
restrictToCountries: ['US', 'CA'],
distanceUnit: 'miles',
isRequired: true
});
});
locationSection.addRow(row => {
row.addTextPanel('serviceAreaInfo', {
computedValue: () => {
const addressField = locationSection.address('propertyAddress');
const miles = addressField?.distance();
if (miles == null) return '📍 Enter address to check service area';
if (miles <= 30) return '📍 Within service area - No travel fee';
if (miles <= 60) return '📍 Extended area - $150 travel fee';
if (miles <= 90) return '📍 Remote area - $300 travel fee';
return '📍 Outside service area - Please call for availability';
},
customStyles: { 'font-size': '0.9rem', 'color': '#0369a1', 'background': '#e0f2fe', 'padding': '10px', 'border-radius': '6px' }
});
});
// Deck Size Section
const sizeSection = form.addSubform('deckSize', { title: '📐 Deck Size' });
sizeSection.addRow(row => {
row.addInteger('length', {
label: 'Deck Length (feet)',
min: 8,
max: 100,
defaultValue: 20,
placeholder: 'e.g. 20',
isRequired: true
}, '1fr');
row.addInteger('width', {
label: 'Deck Width (feet)',
min: 8,
max: 50,
defaultValue: 14,
placeholder: 'e.g. 14',
isRequired: true
}, '1fr');
});
sizeSection.addRow(row => {
row.addTextPanel('sqftDisplay', {
computedValue: () => {
const length = sizeSection.integer('length')?.value() || 20;
const width = sizeSection.integer('width')?.value() || 14;
return `Total Area: ${length * width} sq ft`;
},
customStyles: { 'font-size': '1rem', 'color': '#3b82f6', 'font-weight': '600' }
});
});
sizeSection.addRow(row => {
row.addDropdown('deckHeight', {
label: 'Deck Height from Ground',
options: [
{ id: 'ground-level', name: 'Ground Level (0-1ft)' },
{ id: 'low', name: 'Low (1-3ft)' },
{ id: 'standard', name: 'Standard (3-5ft, +15%)' },
{ id: 'elevated', name: 'Elevated (5-8ft, +30%)' },
{ id: 'high', name: 'High (8ft+, +50%)' }
],
defaultValue: 'low',
isRequired: true
}, '1fr');
row.addDropdown('shape', {
label: 'Deck Shape',
options: [
{ id: 'rectangular', name: 'Rectangular (Standard)' },
{ id: 'l-shaped', name: 'L-Shaped (+15%)' },
{ id: 'multi-level', name: 'Multi-Level (+25%)' },
{ id: 'curved', name: 'Curved (+35%)' },
{ id: 'wraparound', name: 'Wraparound (+20%)' }
],
defaultValue: 'rectangular'
}, '1fr');
});
// Material Selection Section
const materialSection = form.addSubform('materialDetails', { title: '🪵 Decking Material' });
materialSection.addRow(row => {
row.addRadioButton('material', {
label: 'Decking Material',
options: [
{ id: 'pressure-treated', name: 'Pressure-Treated Wood - $25/sq ft (Budget)' },
{ id: 'cedar', name: 'Cedar - $35/sq ft (Natural beauty)' },
{ id: 'redwood', name: 'Redwood - $45/sq ft (Premium wood)' },
{ id: 'composite-standard', name: 'Composite Standard - $40/sq ft (Low maintenance)' },
{ id: 'composite-premium', name: 'Composite Premium - $55/sq ft (Best durability)' },
{ id: 'pvc', name: 'PVC/Vinyl - $50/sq ft (Moisture resistant)' },
{ id: 'ipe', name: 'Ipe Hardwood - $70/sq ft (Exotic)' },
{ id: 'aluminum', name: 'Aluminum - $60/sq ft (Fireproof)' }
],
defaultValue: 'composite-standard',
orientation: 'vertical',
isRequired: true
});
});
materialSection.addRow(row => {
row.addDropdown('boardPattern', {
label: 'Board Pattern',
options: [
{ id: 'straight', name: 'Straight (Standard)' },
{ id: 'diagonal', name: 'Diagonal (+10%)' },
{ id: 'herringbone', name: 'Herringbone (+25%)' },
{ id: 'picture-frame', name: 'Picture Frame Border (+15%)' }
],
defaultValue: 'straight'
}, '1fr');
row.addDropdown('joistSpacing', {
label: 'Joist Spacing',
options: [
{ id: '16-inch', name: '16" On Center (Standard)' },
{ id: '12-inch', name: '12" On Center (+15% materials)' }
],
defaultValue: '16-inch'
}, '1fr');
});
// Railings & Stairs Section
const railingsSection = form.addSubform('railings', { title: '🚧 Railings & Stairs' });
railingsSection.addRow(row => {
row.addInteger('railingLength', {
label: 'Railing Length (linear feet)',
min: 0,
max: 200,
defaultValue: 40,
placeholder: 'e.g. 40'
}, '1fr');
row.addDropdown('railingType', {
label: 'Railing Type',
options: [
{ id: 'none', name: 'No Railing' },
{ id: 'wood', name: 'Wood Railing - $35/ft' },
{ id: 'composite', name: 'Composite Railing - $55/ft' },
{ id: 'aluminum', name: 'Aluminum Railing - $70/ft' },
{ id: 'cable', name: 'Cable Railing - $85/ft' },
{ id: 'glass', name: 'Glass Panels - $120/ft' }
],
defaultValue: 'composite',
isVisible: () => (railingsSection.integer('railingLength')?.value() || 0) > 0
}, '1fr');
});
railingsSection.addRow(row => {
row.addInteger('stairSteps', {
label: 'Number of Stair Steps',
min: 0,
max: 20,
defaultValue: 4
}, '1fr');
row.addDropdown('stairWidth', {
label: 'Stair Width',
options: [
{ id: '36-inch', name: '36" (Standard) - $75/step' },
{ id: '48-inch', name: '48" (Wide) - $100/step' },
{ id: '60-inch', name: '60" (Extra Wide) - $125/step' }
],
defaultValue: '48-inch',
isVisible: () => (railingsSection.integer('stairSteps')?.value() || 0) > 0
}, '1fr');
});
// Features & Add-ons Section
const addonsSection = form.addSubform('addons', { title: '✨ Features & Options' });
addonsSection.addRow(row => {
row.addCheckbox('builtInSeating', {
label: 'Built-in Bench Seating (+$500)',
defaultValue: false
}, '1fr');
row.addCheckbox('planterBoxes', {
label: 'Built-in Planter Boxes (+$300)',
defaultValue: false
}, '1fr');
});
addonsSection.addRow(row => {
row.addCheckbox('deckLighting', {
label: 'LED Deck Lighting (+$800)',
defaultValue: false
}, '1fr');
row.addCheckbox('pergola', {
label: 'Pergola/Shade Structure (+$2500)',
defaultValue: false
}, '1fr');
});
addonsSection.addRow(row => {
row.addCheckbox('hiddenFasteners', {
label: 'Hidden Fastener System (+$3/sq ft)',
defaultValue: false
}, '1fr');
row.addCheckbox('skirting', {
label: 'Deck Skirting/Lattice (+$15/linear ft)',
defaultValue: false
}, '1fr');
});
addonsSection.addRow(row => {
row.addCheckbox('permitHandling', {
label: 'Permit & Engineering (+$400)',
defaultValue: true
}, '1fr');
row.addCheckbox('demolition', {
label: 'Old Deck Removal (+$8/sq ft)',
defaultValue: false
}, '1fr');
});
form.addSpacer({ height: 20, showLine: true, lineStyle: 'dashed' });
// Helper to calculate travel fee
const getTravelFee = () => {
const addressField = locationSection.address('propertyAddress');
const miles = addressField?.distance();
if (miles == null || miles <= 30) return 0;
if (miles <= 60) return 150;
if (miles <= 90) return 300;
return 450;
};
// Quote Summary Section
const summarySection = form.addSubform('summary', { title: '💰 Your Estimate', isCollapsible: false });
const getSquareFeet = () => {
const length = sizeSection.integer('length')?.value() || 20;
const width = sizeSection.integer('width')?.value() || 14;
return length * width;
};
const getPerimeter = () => {
const length = sizeSection.integer('length')?.value() || 20;
const width = sizeSection.integer('width')?.value() || 14;
return 2 * (length + width);
};
const getHeightMultiplier = () => {
const height = sizeSection.dropdown('deckHeight')?.value() || 'low';
const multipliers: Record<string, number> = {
'ground-level': 0.9,
'low': 1.0,
'standard': 1.15,
'elevated': 1.3,
'high': 1.5
};
return multipliers[height] || 1.0;
};
const getShapeMultiplier = () => {
const shape = sizeSection.dropdown('shape')?.value() || 'rectangular';
const multipliers: Record<string, number> = {
'rectangular': 1.0,
'l-shaped': 1.15,
'multi-level': 1.25,
'curved': 1.35,
'wraparound': 1.2
};
return multipliers[shape] || 1.0;
};
const getPatternMultiplier = () => {
const pattern = materialSection.dropdown('boardPattern')?.value() || 'straight';
const multipliers: Record<string, number> = {
'straight': 1.0,
'diagonal': 1.1,
'herringbone': 1.25,
'picture-frame': 1.15
};
return multipliers[pattern] || 1.0;
};
const getJoistMultiplier = () => {
const joist = materialSection.dropdown('joistSpacing')?.value() || '16-inch';
return joist === '12-inch' ? 1.08 : 1.0;
};
const getRailingPrice = () => {
const type = railingsSection.dropdown('railingType')?.value() || 'composite';
const prices: Record<string, number> = {
'none': 0,
'wood': 35,
'composite': 55,
'aluminum': 70,
'cable': 85,
'glass': 120
};
return prices[type] || 0;
};
const getStairPrice = () => {
const width = railingsSection.dropdown('stairWidth')?.value() || '48-inch';
const prices: Record<string, number> = {
'36-inch': 75,
'48-inch': 100,
'60-inch': 125
};
return prices[width] || 100;
};
summarySection.addRow(row => {
row.addPriceDisplay('deckingCost', {
label: 'Decking & Structure',
computedValue: () => {
const sqft = getSquareFeet();
const material = materialSection.radioButton('material')?.value() || 'composite-standard';
const pricePerSqFt = materialPrices[material] || 40;
const baseCost = sqft * pricePerSqFt;
const totalMultiplier = getHeightMultiplier() * getShapeMultiplier() * getPatternMultiplier() * getJoistMultiplier();
return Math.round(baseCost * totalMultiplier);
},
variant: 'default'
}, '1fr');
row.addPriceDisplay('railingCost', {
label: 'Railings',
computedValue: () => {
const railingLength = railingsSection.integer('railingLength')?.value() || 0;
const railingPrice = getRailingPrice();
return railingLength * railingPrice;
},
variant: 'default',
prefix: '+'
}, '1fr');
});
summarySection.addRow(row => {
row.addPriceDisplay('stairsCost', {
label: 'Stairs',
computedValue: () => {
const steps = railingsSection.integer('stairSteps')?.value() || 0;
const pricePerStep = getStairPrice();
return steps * pricePerStep;
},
variant: 'default',
prefix: '+'
}, '1fr');
row.addPriceDisplay('featuresCost', {
label: 'Features & Add-ons',
computedValue: () => {
const sqft = getSquareFeet();
const perimeter = getPerimeter();
let features = 0;
if (addonsSection.checkbox('builtInSeating')?.value()) features += 500;
if (addonsSection.checkbox('planterBoxes')?.value()) features += 300;
if (addonsSection.checkbox('deckLighting')?.value()) features += 800;
if (addonsSection.checkbox('pergola')?.value()) features += 2500;
if (addonsSection.checkbox('hiddenFasteners')?.value()) features += sqft * 3;
if (addonsSection.checkbox('skirting')?.value()) features += perimeter * 15;
if (addonsSection.checkbox('permitHandling')?.value()) features += 400;
if (addonsSection.checkbox('demolition')?.value()) features += sqft * 8;
return features;
},
variant: 'default',
prefix: '+'
}, '1fr');
});
summarySection.addRow(row => {
row.addPriceDisplay('travelFee', {
label: 'Travel Fee',
computedValue: () => getTravelFee(),
variant: 'default',
prefix: '+',
isVisible: () => getTravelFee() > 0
});
});
summarySection.addSpacer({ showLine: true, lineStyle: 'solid', lineColor: '#e2e8f0' });
summarySection.addRow(row => {
row.addPriceDisplay('totalEstimate', {
label: 'Total Estimated Cost',
computedValue: () => {
const sqft = getSquareFeet();
const perimeter = getPerimeter();
const material = materialSection.radioButton('material')?.value() || 'composite-standard';
const pricePerSqFt = materialPrices[material] || 40;
// Decking cost
const baseCost = sqft * pricePerSqFt;
const totalMultiplier = getHeightMultiplier() * getShapeMultiplier() * getPatternMultiplier() * getJoistMultiplier();
let total = baseCost * totalMultiplier;
// Railings
const railingLength = railingsSection.integer('railingLength')?.value() || 0;
total += railingLength * getRailingPrice();
// Stairs
const steps = railingsSection.integer('stairSteps')?.value() || 0;
total += steps * getStairPrice();
// Features
if (addonsSection.checkbox('builtInSeating')?.value()) total += 500;
if (addonsSection.checkbox('planterBoxes')?.value()) total += 300;
if (addonsSection.checkbox('deckLighting')?.value()) total += 800;
if (addonsSection.checkbox('pergola')?.value()) total += 2500;
if (addonsSection.checkbox('hiddenFasteners')?.value()) total += sqft * 3;
if (addonsSection.checkbox('skirting')?.value()) total += perimeter * 15;
if (addonsSection.checkbox('permitHandling')?.value()) total += 400;
if (addonsSection.checkbox('demolition')?.value()) total += sqft * 8;
const travelFee = getTravelFee();
return Math.round(total + travelFee);
},
variant: 'large'
});
});
summarySection.addRow(row => {
row.addTextPanel('perSqFtCost', {
computedValue: () => {
const sqft = getSquareFeet();
const material = materialSection.radioButton('material')?.value() || 'composite-standard';
const pricePerSqFt = materialPrices[material] || 40;
const totalMultiplier = getHeightMultiplier() * getShapeMultiplier() * getPatternMultiplier() * getJoistMultiplier();
const effectivePerSqFt = Math.round(pricePerSqFt * totalMultiplier);
return `Deck only: $${effectivePerSqFt}/sq ft | ${sqft} sq ft total`;
},
customStyles: { 'font-size': '0.9rem', 'color': '#059669', 'font-weight': '500' }
});
});
// Sticky Summary Section
const finalSection = form.addSubform('final', {
title: '🧾 Summary',
isCollapsible: false,
sticky: 'bottom'
});
finalSection.addRow(row => {
row.addPriceDisplay('totalEstimate', {
label: 'Total Estimated Cost',
computedValue: () => {
const sqft = getSquareFeet();
const perimeter = getPerimeter();
const material = materialSection.radioButton('material')?.value() || 'composite-standard';
const pricePerSqFt = materialPrices[material] || 40;
const baseCost = sqft * pricePerSqFt;
const totalMultiplier = getHeightMultiplier() * getShapeMultiplier() * getPatternMultiplier() * getJoistMultiplier();
let total = baseCost * totalMultiplier;
const railingLength = railingsSection.integer('railingLength')?.value() || 0;
total += railingLength * getRailingPrice();
const steps = railingsSection.integer('stairSteps')?.value() || 0;
total += steps * getStairPrice();
if (addonsSection.checkbox('builtInSeating')?.value()) total += 500;
if (addonsSection.checkbox('planterBoxes')?.value()) total += 300;
if (addonsSection.checkbox('deckLighting')?.value()) total += 800;
if (addonsSection.checkbox('pergola')?.value()) total += 2500;
if (addonsSection.checkbox('hiddenFasteners')?.value()) total += sqft * 3;
if (addonsSection.checkbox('skirting')?.value()) total += perimeter * 15;
if (addonsSection.checkbox('permitHandling')?.value()) total += 400;
if (addonsSection.checkbox('demolition')?.value()) total += sqft * 8;
const travelFee = getTravelFee();
return Math.round(total + travelFee);
},
variant: 'large'
});
});
finalSection.addRow(row => {
row.addTextPanel('disclaimer', {
computedValue: () => 'Final price confirmed after on-site consultation.',
customStyles: { 'font-size': '0.85rem', 'color': '#94a3b8', 'font-style': 'italic' }
});
});
form.configureSubmitButton({
label: 'Request Free Consultation'
});
}
Frequently Asked Questions
Can I customize pricing for different materials?
Yes, all material prices per square foot, railing costs, and add-on features are fully customizable to match your business rates and local material costs.
Does it account for different deck heights?
Absolutely. The calculator includes adjustments for ground-level through elevated decks with appropriate pricing multipliers for structural requirements.
Can I add my own deck features and options?
Yes, you can fully customize materials, patterns, railing types, and any other options to match your service offerings.
How do I collect customer contact information?
The calculator includes a submit button that can be configured to collect contact details and send them to your email or CRM system.