Exterior Painting Calculator

Help homeowners understand exterior painting costs with this detailed calculator. Covers all major siding types (wood, vinyl, stucco, brick, aluminum, fiber cement, cedar shake), multiple story adjustments, paint quality options, and comprehensive prep services. Include additional areas like decks, fences, shutters, and garage doors. Perfect for painting contractors looking to generate qualified leads and set accurate customer expectations.

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Exterior Painting Estimate
📍 Project Location
Loading map...
 
📍 Enter address to check service area
🏠 Property Details
2500sq ft
2500 sq ft
50010000
Tip: Average home has 1,500-3,000 sq ft of exterior paintable surface. Multiply home sq ft by ~1.5 for estimate.
🧱 Siding Material
 
🎨 Paint Selection
 
 
📍 Additional Areas
 
 
🔧 Preparation Services
 

💰 Your Estimate
$ 8,750.00
+
$ 1,750.00
+
$ 0.00
+
$ 450.00
+
$ 495.00
+
$ 0.00

$ 11,445.00
Estimated project duration: 2-4 days (weather permitting)
🧾 Summary
$ 11,445.00
Final price determined after on-site inspection.
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export function exteriorPaintingCalculator(form: FormTs) {
// Base rates per sq ft by siding type
const sidingRates: Record<string, number> = {
'wood': 3.50,
'vinyl': 2.50,
'stucco': 3.00,
'brick': 4.00,
'aluminum': 2.75,
'fiber-cement': 3.25,
'cedar-shake': 4.50
};
 
// Stories multiplier (labor difficulty)
const storyMultipliers: Record<string, number> = {
'1': 1.0,
'2': 1.20,
'3': 1.45,
'4+': 1.75
};
 
// Paint quality multipliers
const paintQualityMultipliers: Record<string, number> = {
'standard': 1.0,
'premium': 1.25,
'luxury': 1.50
};
 
// Condition multipliers
const conditionMultipliers: Record<string, number> = {
'good': 0.9,
'fair': 1.0,
'poor': 1.25,
'severe': 1.50
};
 
form.addRow(row => {
row.addTextPanel('header', {
computedValue: () => 'Exterior Painting 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 the 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 <= 25) return '📍 Within service area - Standard pricing';
if (miles <= 50) return '📍 Extended area - $100 travel fee';
if (miles <= 75) return '📍 Remote area - $175 travel fee';
return '📍 Long distance - Custom quote required';
},
customStyles: { 'font-size': '0.9rem', 'color': '#c2410c', 'background': '#fff7ed', 'padding': '10px', 'border-radius': '6px' }
});
});
 
// Property Details Section
const propertySection = form.addSubform('propertyDetails', { title: '🏠 Property Details' });
 
propertySection.addRow(row => {
row.addDropdown('propertyType', {
label: 'Property Type',
options: [
{ id: 'single-family', name: 'Single Family Home' },
{ id: 'townhouse', name: 'Townhouse' },
{ id: 'duplex', name: 'Duplex' },
{ id: 'multi-unit', name: 'Multi-Unit Building' },
{ id: 'commercial', name: 'Commercial Building' }
],
defaultValue: 'single-family',
isRequired: true
}, '1fr');
row.addDropdown('stories', {
label: 'Number of Stories',
options: [
{ id: '1', name: '1 Story' },
{ id: '2', name: '2 Stories (+20%)' },
{ id: '3', name: '3 Stories (+45%)' },
{ id: '4+', name: '4+ Stories (+75%)' }
],
defaultValue: '2',
isRequired: true
}, '1fr');
});
 
propertySection.addRow(row => {
row.addSlider('totalSqFt', {
label: 'Total Exterior Surface Area',
min: 500,
max: 10000,
step: 100,
defaultValue: 2500,
showValue: true,
unit: 'sq ft'
}, '1fr');
});
 
propertySection.addRow(row => {
row.addTextPanel('sqftHelp', {
computedValue: () => 'Tip: Average home has 1,500-3,000 sq ft of exterior paintable surface. Multiply home sq ft by ~1.5 for estimate.',
customStyles: { 'font-size': '0.85rem', 'color': '#64748b', 'font-style': 'italic' }
});
});
 
// Siding Details Section
const sidingSection = form.addSubform('sidingDetails', { title: '🧱 Siding Material' });
 
sidingSection.addRow(row => {
row.addDropdown('primarySiding', {
label: 'Primary Siding Type',
options: [
{ id: 'wood', name: 'Wood Siding ($3.50/sq ft)' },
{ id: 'vinyl', name: 'Vinyl Siding ($2.50/sq ft)' },
{ id: 'stucco', name: 'Stucco ($3.00/sq ft)' },
{ id: 'brick', name: 'Brick ($4.00/sq ft)' },
{ id: 'aluminum', name: 'Aluminum ($2.75/sq ft)' },
{ id: 'fiber-cement', name: 'Fiber Cement/Hardie ($3.25/sq ft)' },
{ id: 'cedar-shake', name: 'Cedar Shake ($4.50/sq ft)' }
],
defaultValue: 'wood',
isRequired: true
}, '1fr');
});
 
sidingSection.addRow(row => {
row.addRadioButton('currentCondition', {
label: 'Current Exterior Condition',
options: [
{ id: 'good', name: 'Good - Minor prep needed, paint in decent shape (-10%)' },
{ id: 'fair', name: 'Fair - Standard prep, some peeling/fading' },
{ id: 'poor', name: 'Poor - Significant prep, peeling, mildew (+25%)' },
{ id: 'severe', name: 'Severe - Major repairs needed, extensive prep (+50%)' }
],
defaultValue: 'fair',
orientation: 'vertical'
});
});
 
// Paint Options Section
const paintSection = form.addSubform('paintOptions', { title: '🎨 Paint Selection' });
 
paintSection.addRow(row => {
row.addRadioButton('paintQuality', {
label: 'Paint Quality',
options: [
{ id: 'standard', name: 'Standard - Good quality, 10-year warranty' },
{ id: 'premium', name: 'Premium - Better durability, 15-year warranty (+25%)' },
{ id: 'luxury', name: 'Luxury - Best protection, 25-year warranty (+50%)' }
],
defaultValue: 'standard',
orientation: 'vertical'
});
});
 
paintSection.addRow(row => {
row.addDropdown('coats', {
label: 'Number of Coats',
options: [
{ id: '1', name: '1 Coat (touch-up only)' },
{ id: '2', name: '2 Coats (standard)' },
{ id: '3', name: '3 Coats (color change/dark colors)' }
],
defaultValue: '2'
}, '1fr');
row.addInteger('colors', {
label: 'Number of Colors',
min: 1,
max: 10,
defaultValue: 2,
placeholder: 'Body + trim'
}, '1fr');
});
 
// Additional Areas Section
const areasSection = form.addSubform('additionalAreas', { title: '📍 Additional Areas' });
 
areasSection.addRow(row => {
row.addCheckbox('trim', {
label: 'Trim & Fascia (included in estimate)',
defaultValue: true,
isReadOnly: true
}, '1fr');
row.addCheckbox('shutters', {
label: 'Shutters (+$25/pair)',
defaultValue: false
}, '1fr');
});
 
areasSection.addRow(row => {
row.addCheckbox('doors', {
label: 'Doors (+$75/door)',
defaultValue: true
}, '1fr');
row.addCheckbox('garage', {
label: 'Garage Door(s) (+$150/door)',
defaultValue: true
}, '1fr');
});
 
areasSection.addRow(row => {
row.addCheckbox('deck', {
label: 'Deck/Porch Staining (+$4/sq ft)',
defaultValue: false
}, '1fr');
row.addCheckbox('fence', {
label: 'Fence Painting (+$3/linear ft)',
defaultValue: false
}, '1fr');
});
 
areasSection.addRow(row => {
row.addInteger('shutterPairs', {
label: 'Number of Shutter Pairs',
min: 1,
max: 20,
defaultValue: 6,
isVisible: () => areasSection.checkbox('shutters')?.value() === true
}, '1fr');
row.addInteger('doorCount', {
label: 'Number of Entry Doors',
min: 1,
max: 10,
defaultValue: 2,
isVisible: () => areasSection.checkbox('doors')?.value() === true
}, '1fr');
});
 
areasSection.addRow(row => {
row.addInteger('garageDoors', {
label: 'Number of Garage Doors',
min: 1,
max: 5,
defaultValue: 2,
isVisible: () => areasSection.checkbox('garage')?.value() === true
}, '1fr');
});
 
areasSection.addRow(row => {
row.addSlider('deckSqFt', {
label: 'Deck/Porch Area',
min: 50,
max: 2000,
step: 50,
defaultValue: 300,
showValue: true,
unit: 'sq ft',
isVisible: () => areasSection.checkbox('deck')?.value() === true
}, '1fr');
row.addSlider('fenceLength', {
label: 'Fence Length',
min: 20,
max: 500,
step: 10,
defaultValue: 100,
showValue: true,
unit: 'linear ft',
isVisible: () => areasSection.checkbox('fence')?.value() === true
}, '1fr');
});
 
// Prep Work Section
const prepSection = form.addSubform('prepWork', { title: '🔧 Preparation Services' });
 
prepSection.addRow(row => {
row.addCheckbox('powerWashing', {
label: 'Power Washing (+$0.15/sq ft)',
defaultValue: true
}, '1fr');
row.addCheckbox('scraping', {
label: 'Heavy Scraping/Sanding (+$0.40/sq ft)',
defaultValue: false
}, '1fr');
});
 
prepSection.addRow(row => {
row.addCheckbox('caulking', {
label: 'Caulking Windows/Doors (+$8/opening)',
defaultValue: true
}, '1fr');
row.addCheckbox('priming', {
label: 'Full Primer Coat (+$0.50/sq ft)',
defaultValue: false
}, '1fr');
});
 
prepSection.addRow(row => {
row.addCheckbox('repairs', {
label: 'Minor Wood Repairs (+$300 flat)',
defaultValue: false
}, '1fr');
row.addCheckbox('leadPaint', {
label: 'Lead Paint Testing/Mitigation (+$500)',
defaultValue: false
}, '1fr');
});
 
prepSection.addRow(row => {
row.addInteger('openings', {
label: 'Windows & Doors to Caulk',
min: 1,
max: 50,
defaultValue: 15,
isVisible: () => prepSection.checkbox('caulking')?.value() === true
}, '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 <= 25) return 0;
if (miles <= 50) return 100;
if (miles <= 75) return 175;
return 250 + Math.floor((miles - 75) / 25) * 50;
};
 
// Price Summary Section
const summarySection = form.addSubform('summary', { title: '💰 Your Estimate', isCollapsible: false });
 
const calculateBasePrice = () => {
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
const siding = sidingSection.dropdown('primarySiding')?.value() || 'wood';
const rate = sidingRates[siding] || 3.50;
return sqft * rate;
};
 
summarySection.addRow(row => {
row.addPriceDisplay('basePrice', {
label: 'Base Painting Cost',
computedValue: () => Math.round(calculateBasePrice()),
variant: 'default'
}, '1fr');
row.addPriceDisplay('heightAdjustment', {
label: 'Height/Access Adjustment',
computedValue: () => {
const base = calculateBasePrice();
const stories = propertySection.dropdown('stories')?.value() || '2';
const multiplier = storyMultipliers[stories] || 1;
return Math.round(base * (multiplier - 1));
},
variant: 'default',
prefix: '+',
isVisible: () => {
const stories = propertySection.dropdown('stories')?.value();
return stories !== '1';
}
}, '1fr');
});
 
summarySection.addRow(row => {
row.addPriceDisplay('conditionAdjustment', {
label: 'Surface Prep Adjustment',
computedValue: () => {
const base = calculateBasePrice();
const stories = propertySection.dropdown('stories')?.value() || '2';
const storyMult = storyMultipliers[stories] || 1;
const condition = sidingSection.radioButton('currentCondition')?.value() || 'fair';
const condMult = conditionMultipliers[condition] || 1;
return Math.round(base * storyMult * (condMult - 1));
},
variant: () => {
const condition = sidingSection.radioButton('currentCondition')?.value();
return condition === 'good' ? 'success' : 'default';
},
prefix: () => {
const condition = sidingSection.radioButton('currentCondition')?.value();
return condition === 'good' ? '' : '+';
}
}, '1fr');
row.addPriceDisplay('paintQualityAdjustment', {
label: 'Paint Quality Upgrade',
computedValue: () => {
const base = calculateBasePrice();
const quality = paintSection.radioButton('paintQuality')?.value() || 'standard';
const multiplier = paintQualityMultipliers[quality] || 1;
return Math.round(base * (multiplier - 1));
},
variant: 'default',
prefix: '+',
isVisible: () => {
const quality = paintSection.radioButton('paintQuality')?.value();
return quality !== 'standard';
}
}, '1fr');
});
 
summarySection.addRow(row => {
row.addPriceDisplay('additionalAreas', {
label: 'Additional Areas',
computedValue: () => {
let total = 0;
if (areasSection.checkbox('shutters')?.value()) {
const pairs = areasSection.integer('shutterPairs')?.value() || 0;
total += pairs * 25;
}
if (areasSection.checkbox('doors')?.value()) {
const doors = areasSection.integer('doorCount')?.value() || 0;
total += doors * 75;
}
if (areasSection.checkbox('garage')?.value()) {
const gDoors = areasSection.integer('garageDoors')?.value() || 0;
total += gDoors * 150;
}
if (areasSection.checkbox('deck')?.value()) {
const deckSqft = areasSection.slider('deckSqFt')?.value() || 0;
total += deckSqft * 4;
}
if (areasSection.checkbox('fence')?.value()) {
const fenceLen = areasSection.slider('fenceLength')?.value() || 0;
total += fenceLen * 3;
}
// Extra coat
const coats = paintSection.dropdown('coats')?.value() || '2';
if (coats === '3') {
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
total += sqft * 0.75;
}
// Extra colors
const colors = paintSection.integer('colors')?.value() || 2;
if (colors > 2) total += (colors - 2) * 150;
 
return Math.round(total);
},
variant: 'default',
prefix: '+'
}, '1fr');
row.addPriceDisplay('prepServices', {
label: 'Prep Services',
computedValue: () => {
let total = 0;
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
 
if (prepSection.checkbox('powerWashing')?.value()) total += sqft * 0.15;
if (prepSection.checkbox('scraping')?.value()) total += sqft * 0.40;
if (prepSection.checkbox('caulking')?.value()) {
const openings = prepSection.integer('openings')?.value() || 0;
total += openings * 8;
}
if (prepSection.checkbox('priming')?.value()) total += sqft * 0.50;
if (prepSection.checkbox('repairs')?.value()) total += 300;
if (prepSection.checkbox('leadPaint')?.value()) total += 500;
 
return Math.round(total);
},
variant: 'default',
prefix: '+'
}, '1fr');
});
 
summarySection.addRow(row => {
row.addPriceDisplay('travelFee', {
label: 'Travel Fee',
computedValue: () => getTravelFee(),
variant: 'default',
prefix: '+'
});
});
 
summarySection.addSpacer({ showLine: true, lineStyle: 'solid', lineColor: '#e2e8f0' });
 
summarySection.addRow(row => {
row.addPriceDisplay('totalEstimate', {
label: 'Total Estimated Cost',
computedValue: () => {
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
const siding = sidingSection.dropdown('primarySiding')?.value() || 'wood';
const rate = sidingRates[siding] || 3.50;
let total = sqft * rate;
 
// Stories
const stories = propertySection.dropdown('stories')?.value() || '2';
total *= storyMultipliers[stories] || 1;
 
// Condition
const condition = sidingSection.radioButton('currentCondition')?.value() || 'fair';
total *= conditionMultipliers[condition] || 1;
 
// Paint quality
const quality = paintSection.radioButton('paintQuality')?.value() || 'standard';
total *= paintQualityMultipliers[quality] || 1;
 
// Additional areas
if (areasSection.checkbox('shutters')?.value()) {
const pairs = areasSection.integer('shutterPairs')?.value() || 0;
total += pairs * 25;
}
if (areasSection.checkbox('doors')?.value()) {
const doors = areasSection.integer('doorCount')?.value() || 0;
total += doors * 75;
}
if (areasSection.checkbox('garage')?.value()) {
const gDoors = areasSection.integer('garageDoors')?.value() || 0;
total += gDoors * 150;
}
if (areasSection.checkbox('deck')?.value()) {
const deckSqft = areasSection.slider('deckSqFt')?.value() || 0;
total += deckSqft * 4;
}
if (areasSection.checkbox('fence')?.value()) {
const fenceLen = areasSection.slider('fenceLength')?.value() || 0;
total += fenceLen * 3;
}
const coats = paintSection.dropdown('coats')?.value() || '2';
if (coats === '3') total += sqft * 0.75;
const colors = paintSection.integer('colors')?.value() || 2;
if (colors > 2) total += (colors - 2) * 150;
 
// Prep services
if (prepSection.checkbox('powerWashing')?.value()) total += sqft * 0.15;
if (prepSection.checkbox('scraping')?.value()) total += sqft * 0.40;
if (prepSection.checkbox('caulking')?.value()) {
const openings = prepSection.integer('openings')?.value() || 0;
total += openings * 8;
}
if (prepSection.checkbox('priming')?.value()) total += sqft * 0.50;
if (prepSection.checkbox('repairs')?.value()) total += 300;
if (prepSection.checkbox('leadPaint')?.value()) total += 500;
 
// Travel fee
total += getTravelFee();
 
return Math.round(total);
},
variant: 'large'
});
});
 
summarySection.addRow(row => {
row.addTextPanel('timeEstimate', {
computedValue: () => {
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
const minDays = Math.ceil(sqft / 1500);
const maxDays = Math.ceil(sqft / 800);
return `Estimated project duration: ${minDays}-${maxDays} days (weather permitting)`;
},
customStyles: { 'font-size': '0.9rem', 'color': '#059669' }
});
});
 
const finalSection = form.addSubform('final', {
title: '🧾 Summary',
isCollapsible: false,
sticky: 'bottom'
});
 
finalSection.addRow(row => {
row.addPriceDisplay('totalEstimate', {
label: 'Total Estimated Cost',
computedValue: () => {
const sqft = propertySection.slider('totalSqFt')?.value() || 2500;
const siding = sidingSection.dropdown('primarySiding')?.value() || 'wood';
const rate = sidingRates[siding] || 3.50;
let total = sqft * rate;
 
const stories = propertySection.dropdown('stories')?.value() || '2';
total *= storyMultipliers[stories] || 1;
 
const condition = sidingSection.radioButton('currentCondition')?.value() || 'fair';
total *= conditionMultipliers[condition] || 1;
 
const quality = paintSection.radioButton('paintQuality')?.value() || 'standard';
total *= paintQualityMultipliers[quality] || 1;
 
if (areasSection.checkbox('shutters')?.value()) {
const pairs = areasSection.integer('shutterPairs')?.value() || 0;
total += pairs * 25;
}
if (areasSection.checkbox('doors')?.value()) {
const doors = areasSection.integer('doorCount')?.value() || 0;
total += doors * 75;
}
if (areasSection.checkbox('garage')?.value()) {
const gDoors = areasSection.integer('garageDoors')?.value() || 0;
total += gDoors * 150;
}
if (areasSection.checkbox('deck')?.value()) {
const deckSqft = areasSection.slider('deckSqFt')?.value() || 0;
total += deckSqft * 4;
}
if (areasSection.checkbox('fence')?.value()) {
const fenceLen = areasSection.slider('fenceLength')?.value() || 0;
total += fenceLen * 3;
}
const coats = paintSection.dropdown('coats')?.value() || '2';
if (coats === '3') total += sqft * 0.75;
const colors = paintSection.integer('colors')?.value() || 2;
if (colors > 2) total += (colors - 2) * 150;
 
if (prepSection.checkbox('powerWashing')?.value()) total += sqft * 0.15;
if (prepSection.checkbox('scraping')?.value()) total += sqft * 0.40;
if (prepSection.checkbox('caulking')?.value()) {
const openings = prepSection.integer('openings')?.value() || 0;
total += openings * 8;
}
if (prepSection.checkbox('priming')?.value()) total += sqft * 0.50;
if (prepSection.checkbox('repairs')?.value()) total += 300;
if (prepSection.checkbox('leadPaint')?.value()) total += 500;
 
// Travel fee
total += getTravelFee();
 
return Math.round(total);
},
variant: 'large'
});
});
 
finalSection.addRow(row => {
row.addTextPanel('disclaimer', {
computedValue: () => 'Final price determined after on-site inspection.',
customStyles: { 'font-size': '0.85rem', 'color': '#64748b', 'font-style': 'italic' }
});
});
 
form.configureSubmitButton({
label: 'Schedule Free Estimate'
});
}
 

Frequently Asked Questions

How do I determine exterior square footage?

The calculator provides a helpful tip: multiply your home's living square footage by approximately 1.5 to estimate exterior paintable surface. For example, a 2,000 sq ft home typically has around 3,000 sq ft of exterior surface.

Can I set different rates for different siding types?

Yes. Each siding type (wood, vinyl, stucco, brick, aluminum, fiber cement, cedar shake) has its own customizable per-square-foot rate to reflect different labor and material requirements.

How does the stories adjustment work?

Multi-story homes require ladders, scaffolding, and more labor. The calculator applies increasing multipliers: 2-story (+20%), 3-story (+45%), 4+ story (+75%). These percentages are customizable.

What prep services are included?

The calculator includes optional prep services: power washing, heavy scraping/sanding, caulking, full primer coat, minor wood repairs, and lead paint testing/mitigation - each with customizable pricing.

Can I include deck staining and fence painting?

Yes. The calculator includes optional add-ons for deck/porch staining and fence painting with adjustable square footage and linear foot pricing.