The cost to install a prehung door depends on the door type, frame material, hardware, and labor. Typical pricing ranges reflect door slab choice, rough opening size, and whether framing adjustments are needed. This article presents the price data buyers need, including a practical breakdown of costs and regional differences.
| Item | Low | Average | High | Notes |
|---|---|---|---|---|
| Total Installed Price | $450 | $1,250 | $2,400 | Includes labor, materials, and hardware for standard 32×80 exterior or interior prehung doors. |
| Door Price (Prehung Unit) | $180 | $350 | $1,200 | Labor-ready unit with frame already attached to the door slab. |
| Labor | $120 | $420 | $1,000 | Typically 4–8 hours depending on site conditions and adjustments. |
| Materials (Shims, Caulk, Flashing) | $20 | $60 | $180 | Essential for secure fit and weather sealing. |
| Hardware and Trim | $40 | $120 | $300 | Includes hinges, latch, strike plate, and casing if needed. |
| Permits/Inspection Fees | $0 | $150 | $500 | Depends on local rules and project scope. |
Typical Cost Drivers for Prehung Door Installation
Costs vary by door type, frame material, and site access. A standard interior 32×80 prehung door with wood frame generally lands in the $450–$1,250 installed range, while exterior steel or fiberglass units often reach $1,000–$2,400 installed. Assumptions: standard rough opening, normal access, mid-range hardware, and no structural work beyond trimming and squaring the frame.
Materials and Labor: What Drives the Price
Materials and labor are the largest cost components. For a typical interior prehung door, the door unit plus trim can cost $200–$500, with installation labor around $250–$600. Exterior doors with weatherproofing, better insulation, and heavier hardware push toward $1,000–$1,800 in total. Per-unit pricing example: supply and install a standard interior prehung door at $350–$500 for the unit, plus $200–$300 for labor in many suburban markets.
Hardware, Trim, and Finishes: Price Components
Hinges, lockset, weatherstripping, and casing add hundreds. Hardware packages typically run $40–$120 for interior doors, while exterior doors might include higher-end locks and weather seals totaling $100–$300. Finishing touches such as casing can add $80–$250 depending on material (pine, MDF, or composite) and whether painting or staining is required. A complete trim kit for a typical interior door adds about $60–$140.
| Component | Low | Average | High | Notes |
|---|---|---|---|---|
| Hinges and Lockset | $20 | $60 | $150 | Standard two- or three-point hardware. |
| Caulk and Weatherstripping | $10 | $25 | $60 | Air sealing essentials. |
| Door Casing/Trim | $30 | $90 | $220 | Material-dependent. |
| Finish (Paint/Stain) | $20 | $60 | $100 | Labor often separate if DIY. |
Regional Price Differences Across the United States
Prices vary by region due to labor rates and material costs. In the Sun Belt, total installed costs commonly land near the lower to mid-range due to easier access and lower labor hours, while Northeast and West Coast markets tend toward the higher end. For interior doors, expect installed ranges roughly $500–$1,600 regionally; exterior prehung doors typically run $1,000–$2,800 depending on climate and materials. Local availability of skilled installers also shifts the quote by ±$100–$400 in many markets.
Size, Material, and System Type: How They Change Quotes
Door size, frame material, and system type are key price levers. A standard 32×80 interior prehung door with a wood frame tends to be cheaper than a 36×80 exterior unit in steel or fiberglass. For larger openings, rough opening modifications or structural shimming add labor, often $100–$300 more. Composite or fiberglass exterior doors cost more than hollow-core interior doors, with installed price ranges typically $1,200–$2,400 for exterior units depending on insulation and finish.
Labor Time, Crew Size, and Scheduling Impacts
Estimated labor hours range from 4 to 8 for most installations. A single apprentice with one skilled installer might finish at the lower end, while crews of two or more can reduce time but increase labor costs. If access is tight or the rough opening needs squaring, expect 6–12 hours and higher hourly rates in some markets. In busy seasons, some crews may charge rush fees of 5–15% if scheduling is tight.
Practical Ways To Reduce Prehung Door Install Costs
Control scope and materials to keep quotes reasonable. Consider choosing a standard 32×80 interior door with stock casing, avoiding custom architraves. If the opening is close to standard, avoid additional framing work. Compare quotes from at least two local pros, and ask for a component breakdown table to spot unnecessary charges. Scheduling during off-peak times can lower labor rates, and opting for a prefinished door reduces finishing costs. DIY finishing may lower overall expense but requires skill for a clean result.
Example Quote Scenarios For Common Setups
Realistic examples help set expectations for budget planning. Scenario A covers a standard interior 32×80 prehung door with oak casing in a suburban area: unit $250, labor $260, hardware $80, trim $90, total around $680–$900. Scenario B: exterior 36×80 fiberglass prehung door with premium hardware in a coastal region: unit $850, labor $900, weather seal kit $150, trim $180, total around $1,900–$2,800. Scenario C: mid-range interior prehung door in a rural market with basic hardware: unit $180, labor $140, trim $60, total around $380–$500. Each scenario assumes standard rough openings and no structural repairs.