How Much Does Room Addition Cost in Tempe, AZ?
Tempe pricing is near the national average. Updated for 2026.
Based on local labor rates, varied climate conditions, and Tempe's diversified economy.See our methodology
Room Addition Pricing in Tempe, AZ
Tempe offers near-average pricing for room addition, making it a reasonable market for this service. The local diversified economy supports a balanced labor pool, and the city's 180K population base ensures you can find multiple qualified providers to compare quotes.
Local climate plays a direct role in room addition costs here. Extreme heat makes HVAC essential; low humidity means different material considerations.
Market-specific factors matter in Tempe: growing population has increased demand; hard water affects plumbing systems.
Tempe has moderate permitting requirements. Depending on the scope of your room addition project, you may need local permits. A licensed contractor will handle the permitting process as part of the job in most cases.
Tempe vs National Average
What Affects Room Addition Cost in Tempe?
Size
Small (100 sq ft): $15,000-$25,000. Average (200 sq ft): $30,000-$50,000. Large (400+ sq ft): $60,000-$100,000+
Room Type
Basic bedroom: $20,000-$40,000. Bedroom + bathroom: $35,000-$65,000. In-law suite: $50,000-$100,000+
Per Sq Ft
Budget: $80-$150/sq ft. Mid-range: $150-$250/sq ft. High-end: $250-$400+/sq ft
Tempe Market Conditions
growing population has increased demand; hard water affects plumbing systems
Local Climate Impact
extreme heat makes HVAC essential; low humidity means different material considerations
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Tips to Save on Room Addition in Tempe
- 1.A bump-out (extending an existing room 2-4 feet) costs $5,000-$15,000 — much less than a full addition
- 2.Building over an existing garage or patio saves on foundation costs
- 3.A dormer addition (expanding attic space) costs 30-50% less than a ground-floor addition
- 4.Act as your own general contractor if you have experience — save 15-25% on management fees
📈 Room Addition in Tempe Cost Trends (2020–2024)
Prices have increased +17.7% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $38,223 | — |
| 2021 | $39,828 | +4.2% |
| 2022 | $42,417 | +6.5% |
| 2023 | $43,605 | +2.8% |
| 2024 | $45,000 | +3.2% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
💬 What Did You Pay?
Real costs reported by homeowners for Room Addition in Tempe
Recent Reports
Frequently Asked Questions
Does a room addition increase home value?
Yes, though ROI varies: 50-65% for a standard room addition, 60-75% for a bedroom + bathroom addition. The value also depends on whether the addition fits the neighborhood — over-improving for your area yields lower returns.
How long does a room addition take?
Typical timeline: 2-4 weeks for permits and planning. 8-16 weeks for construction. Total: 3-5 months. Complex additions with full bathrooms or custom features can take 6-12 months.
Why does room addition cost different in Tempe than other cities?
Tempe's costs reflect local labor rates driven by the diversified economy, varied climate conditions that affect materials and scheduling, and moderate permitting requirements. The balanced labor market also influences competitive pricing.
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