Range covers professionally installed entry doors, materials and labor included. Steel trends lower; fiberglass and wood trend higher. Patio doors add $1,500–$6,000.
How to use this guide
The fastest path through: skim the service guide closest to what you're actually considering — fiberglass, steel, wood entry doors, or patio doors. Then open your county or town page for the local cost, frame, and housing-stock context. About 10 minutes of reading saves multiple hours of installer small talk.
Rather skip the reading? Julia will run you through the guided DoorGuide, seven short questions, one at a time, and hand back a personalized door profile you can use to compare quotes fairly.
Steel, fiberglass, wood, or patio, which fits?
Most homeowners come into this thinking they need one specific material and end up reconsidering once they learn what holds up in their climate. The right choice usually maps to the door's exposure to weather and how much daily wear it takes.
For exposed entries in harsh climates, fiberglass is usually the safer call over wood, which can warp or rot without regular maintenance. Steel is the budget workhorse, strong and low-maintenance, though it can dent. Wood is unmatched for historic homes and craftsmanship but needs upkeep. Patio doors, sliding or French, open up light and access but add glass cost and track maintenance.
| Material | Install time | Typical cost | Best for |
|---|---|---|---|
| Steel entry door | 1 day | $1,200–$2,500 | Budget, high security, low maintenance |
| Fiberglass entry door | 1 day | $1,800–$4,500 | Durability, insulation, wood-look finish |
| Wood entry door | 1–2 days | $2,500–$6,000 | Historic homes, craftsmanship, resale appeal |
| Patio door | 1–2 days | $1,500–$6,000 | Sliding or French, light and access |
What actually drives the cost of a door installation
Door pricing depends on a handful of choices, not a single line-item. The biggest swings come from material (steel vs. fiberglass vs. wood), the condition of the existing frame, glass package and decorative options, and whether the rough opening needs to be enlarged or restructured.
A straight steel or fiberglass entry door swap in a sound frame is the most predictable, often $1,200–$2,500 installed. Wood entry doors, custom finishes, decorative glass, or a frame rebuild where rot has spread into the sill or trim is where prices start to spread, sometimes $4,000–$8,000+ installed.
- Material: steel at the low end, fiberglass mid-range, wood and custom finishes at the top
- Frame condition: sound frame vs. rotted sill, shifted rough opening, or water damage behind trim that needs repair first
- Glass package: plain flat panel vs. decorative glass, privacy glass, or triple-pane for insulation
- Hardware: basic knob or lever vs. multi-point locks, smart locks, or premium finishes
- Weather sealing: new threshold, weatherstripping, and drip cap often priced separately from the door unit itself
- Patio doors add scope: track installation, screen doors, and larger rough openings drive labor cost
Source: Cost drivers reflect line-item data from full-service door installations in the Greater Charleston market ((HomeGuide, 2024), (Angi, 2024)), with housing-age context from the U.S. Census American Housing Survey ((U.S. Census AHS, 2023)).
Door considerations in Greater Charleston
Greater Charleston homes span a wide range of ages and construction styles, and that mix is usually a bigger driver of door scope than ZIP code. Older homes more often have original wood doors with settling frames, rotted sills, and single-pane glass; newer construction is typically a pre-hung fiberglass or steel unit in a factory frame.
A careful site visit matters more on the older end of the spectrum. Things like frame squareness, sill condition, weather sealing history, and whether the rough opening has shifted all affect the honest quote you get back, alongside South Carolina's permit and licensing rules.
How long does a door installation actually take?
Most steel or fiberglass entry door replacements run 1 day for a like-for-like swap in a sound frame. Patio door projects typically take 1–2 days including track or frame work. Wood entry doors with custom finishes or staining may take 2 days on-site including finish cure time.
Lead time from signed contract to crew on site is usually the bigger variable than the install itself. Plan for 2–6 weeks depending on material availability, especially for special-order fiberglass finishes or custom wood doors.
Source: On-site install durations and lead-time ranges from full-service installer scheduling data across Greater Charleston ((HomeGuide, 2024), (Angi, 2024)). Your project's timeline depends on material, number of doors, and product availability.
Questions to ask before signing a door installation contract
The fastest way to compare bids is to make sure they're scoped the same way. Ask each installer the same questions, in writing, and pay attention to what's included vs. what shows up as a change order once the old door comes out.
- Is frame repair or sill replacement included, or billed separately if it's needed once demo starts?
- Who hauls away the old door, and is disposal included in the quote?
- What's the warranty on installation labor vs. the manufacturer's warranty on the door itself?
- Is hardware, weatherstripping, and trim work included, or priced as extras?
- What financing options are available, and what's the APR, not just the monthly payment?
- Will the same crew be on site every day, and how many days should the install actually take?
Service area
This branch covers Greater Charleston, Charleston County, Berkeley County, Dorchester County. DoorGuide also serves homeowners in other metros across the country. View all DoorGuide service areas →
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Frequently asked questions
Does DoorGuide do the installation itself?+
No. DoorGuide helps you compare options and produces a personalized door profile. If you want, we'll match you with a vetted local installer after your guide.
Do I have to talk to an installer?+
No. Many homeowners use DoorGuide just to clarify their thinking before getting quotes on their own.
How long does the guide take?+
About two minutes. Seven short questions, one at a time.
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