A new entry door in Fairfax typically costs $1,800 to $5,500 installed, patio doors run $2,500 to $6,500, and simpler steel doors can come in below both ranges. We’re Sunshine Contracting: a family-owned company that has served Fairfax from nearby Woodbridge since 1993, with a lifetime workmanship warranty on every door we install. Want your real number? Schedule a free in-home estimate: we measure the opening, check the frame, and the written quote holds.

How much does door replacement cost in Fairfax?
Four things set the price of a door project: the material (steel is the value play, fiberglass costs more and earns it in this climate), the glass (decorative glass, sidelights, and transoms turn a door swap into an entry-system rebuild), the hardware, and the one nobody mentions on the phone: the condition of your existing frame. Here is what that looks like for typical Fairfax projects:
| Project | Typical installed range |
|---|---|
| Steel entry door, simpler configurations | Below $1,800 |
| Entry door replacement | $1,800 – $5,500 |
| Patio door replacement (sliding or French) | $2,500 – $6,500 |
These are planning ranges. Your opening, your glass choices, and your frame’s condition decide the real number, so we quote after we have seen the door. For the full breakdown, our door replacement cost guide goes deeper.
Why the frame decides which project you are buying
A new door hung in an old, out-of-square, or rotted frame inherits every one of the old frame’s problems. If your existing frame is square and completely sound, a door-only swap can work, and it costs less. On Fairfax’s older houses the frame often is not: decades of settling show up first at the openings, as a door that sticks in July, gaps that let daylight through, or a threshold that has gone soft. The honest fix there is a full-frame replacement that corrects the opening itself. We check the frame before we quote, so you know which project you are actually buying, and the number on paper reflects the real job.
Fiberglass, steel, or something with glass?
Fiberglass is our default recommendation for Fairfax front doors: it shrugs off the freeze-thaw winters and humid summers without warping or rusting, and wood-grain finishes from lines like Therma-Tru deliver the look of a stained wood door without wood’s maintenance schedule. Steel costs less, takes a beating, and is the smart pick for garage-to-house, side, and basement doors. For patio doors, a quality vinyl slider anchors the low end of the range and French doors move it upward, and because a patio door is mostly glass, the glass package matters more than anywhere else in the door world. We install ProVia and Therma-Tru entry doors and Andersen and ProVia storm doors, our crews are certified installers for those lines, and our doors page covers every style we install.

Do you need a permit to replace a door in Fairfax?
Usually not. Fairfax County’s published permit guidance lists direct replacement of existing doors as exempt: when the new door goes into the same opening at the same size, there is no county permit to pull. Enlarging an opening, converting a window to a door, or making structural changes is a different story, and if you live inside the City of Fairfax proper, the city runs its own permit office with its own rules. Many Fairfax neighborhoods also have HOA architectural review, so a new front-door color or style may need association sign-off first. Tell us your address when you book and we will flag anything that applies before the crew is scheduled.
Doors for Fairfax’s actual houses
Fairfax’s housing stock spans eighty years, and the door problems differ by era. The 1940s capes and cottages around Old Town Fairfax tend to have openings with decades of settling behind them, which is where full-frame replacement earns its cost. Mid-century homes in neighborhoods like Mosby Woods and Fairchester Woods often still have their original side and basement doors: usually the draftiest doors in the house and the cheapest to replace, since a solid steel door without glasswork sits at the bottom of the price range. And the mid-century ramblers around Country Club Hills frequently have west-facing, builder-grade patio sliders whose last good summer was years ago; a modern glass package there pays you back in comfort every afternoon. If a crew is already coming out for the front entry, pricing the side and basement doors in the same visit is worth asking about.

Why Fairfax homeowners pick us for doors
Lifetime workmanship warranty on door installation, with the door itself covered by its manufacturer’s warranty on top. 4.9 out of 5 from 999+ verified customers on Guild Quality. Our own factory-trained crews do the install; we never hand your door to subcontractors, and we replace one opening at a time, so your home is never left standing open. Family-owned and Woodbridge-based since 1993. Licensed, bonded, and insured: Virginia Class A #2705075333. And the price on the quote is the price you pay, with no expiring today-only discounts.
Can you finance a new door?
Yes: flexible financing is available with approved credit, though door projects are small enough that many customers simply pay outright. One planning note: doors are built to order for your opening, so the four-to-six-week clock starts at your signed contract, not at the first phone call. If you want the new entry in before the holidays, work backward from your date.
Fairfax door replacement FAQs
How much does a new front door cost installed in Fairfax?
Most entry door replacements run $1,800 to $5,500 installed, patio doors $2,500 to $6,500, and simpler steel doors can come in below those ranges. Material, glass, sidelights, hardware, and the condition of your existing frame decide where your project lands. A free in-home estimate turns the range into a firm written number.
Can you replace a door without replacing the frame?
Only when the existing frame is square and completely free of rot, which on older Fairfax homes it often is not. A sticking door, daylight at the edges, or a soft threshold usually means the frame is the real problem, and replacing door and frame together is what actually fixes it. We check the frame before we quote, so you will know which job your entry needs.
Do I need a permit to replace a door in Fairfax?
Not for direct like-for-like replacement: Fairfax County exempts it. A permit comes into play if you enlarge the opening or change the structure, and the City of Fairfax has its own permit office with its own rules. HOA architectural review may also apply to visible changes like a new door style or color.
Ready for a real number instead of a range? Schedule your free estimate: we measure the opening, check the frame honestly, and leave a written price with no pressure to decide on the spot. Proudly serving Fairfax, from Old Town to Country Club Hills, and all of the Fairfax area.
