Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Door Installation Across Tustin
Door installation in Tustin comes down to two separate markets: the pre-1940s Craftsman and Spanish-Colonial homes around Old Town, and the 1988-1998 tract homes across Tustin Ranch where the original aluminum sliding doors are now failing by the hundreds. A standard entry door replacement in Tustin typically runs $2,100-$4,800 installed, while a French or double door replacement lands between $3,400-$7,200 depending on size, glazing, and whether the frame needs full rebuild work. At Sightline Windows & Doors, our Door Installation team measures every opening twice, writes the price down before a tool is lifted, and handles everything from historic-district design review paperwork to full-frame swaps in Tustin Ranch. Call (509) 265-6387 for a written estimate.
Why Sightline Windows & Doors Is Tustin’s Preferred Door Installation Company
Our work in Tustin runs on evidence, not enthusiasm. When we survey a door opening off Bryan Avenue or along Red Hill Avenue, we document the existing frame condition, the sill slope, the jamb plumb, and the weatherstripping wear in writing. That measured survey becomes the quote. There is no separate “closing” number that shows up later. We’ve worked on 18,000+ window and door openings since 2012 under the Haven Standard, and every one of them left with a documented photo record when the job finished.
Tustin homeowners research contractors before calling, and they should. Our technicians are background-checked, uniformed, and identified by license number before arrival, per Haven Clause 3. That’s not a marketing line; it’s written into the scope we hand you. When you call (509) 265-6387, a live person answers, not a voicemail queue. We serve Tustin directly from our Los Angeles scheduling office, with crews that know the difference between a Tustin Ranch HOA requirement and an Old Town historic district condition.
Our Door Installation Services in Tustin

Entry Doors
Entry door replacement in Tustin usually means removing an original hollow-core or weather-stripped builder-grade door and setting a new pre-hung unit with new jambs, threshold, and hardware. In Tustin Ranch, where homes hit the 30-40 year mark, the original front doors are often swollen at the bottom from repeated Santa Ana-driven dust and moisture cycling. A new steel or fiberglass entry door with an insulated core runs $2,100-$3,900 installed, depending on whether we’re replacing the frame as well.

Hurricane-Proof Front & Entry Doors
Tustin sits directly in the Santa Ana wind corridor, which matters more than people think when it comes to entry doors. High-pressure wind events push fine dust and debris against door seals at 40-60 mph sustained speeds. Impact-rated doors from CGI and CWS are tested to withstand windborne debris, not just wind. A hurricane-proof entry door in Tustin runs $3,800-$7,500 installed, including the reinforced frame and impact-rated glazing. We specify these by performance tier, not by what’s sitting in a warehouse.

French & Double Doors
French doors in Tustin Ranch are a particular problem. Builders used large aluminum-frame sliding glass doors as a standard feature across thousands of near-identical floor plans, and those frames are now warping at the corners, the bottom tracks are corroded from years of grit carried on Santa Ana winds, and the dual-pane seals have failed. A new French or double patio door with proper weathersealing and a thermally broken frame runs $3,400-$7,200 in Tustin. We can usually source a replacement same-week because we know the rough opening sizes these tract builders used.

Replacement Doors
When the existing slab is still square and the frame is sound, we can replace just the door itself and save you the cost of tearing out and re-framing the opening. A basic slab replacement in Tustin runs $800-$1,800. But around Old Town Tustin, the frames on 1920s and 1930s bungalows are often out of square by half an inch or more, which means shim work, jamb rebuilds, and sometimes a full re-hang. We’ll tell you which path applies to your house after the measured survey, in writing.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
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AfterTrusted Brands We Service in Tustin
We install doors from ES Windows, ECO Window Systems, and Therma-Tru, among others, specified by what the opening actually requires rather than what sits in inventory. For Tustin Ranch homes with corroding aluminum tracks, we often recommend thermally broken frame replacements that hold up better against Santa Ana wind grit and summer heat expansion cycles. For Old Town properties under Cultural Resources District review, we match historical profiles and muntin patterns using manufacturers that can produce period-compatible sightlines. We keep a stock of common Tustin Ranch rough-opening sizes on hand, which means less waiting between the written estimate and the installation day.
Common Door Installation Problems We See in Tustin Homes

- Aluminum track corrosion in Tustin Ranch sliders. The bottom tracks on 1988-1998 patio doors fill with fine grit during Santa Ana events. Once the rollers start grinding, the door binds and the frame flexes. The fix is usually a full frame replacement, not a roller swap.
- Warped frames from summer heat cycling. Tustin regularly exceeds 100°F inland during July through September. That thermal expansion cycling warps inexpensive vinyl door frames and breaks weatherstripping adhesion faster than in coastal cities ten miles west.
- Out-of-square openings in Old Town bungalows. Pre-WWII homes settle. A 1927 Craftsman off Main Street isn’t plumb anymore, and the door frame reflects that. We shim and rebuild jambs rather than forcing a new pre-hung unit into a trapezoid.
- Dual-pane seal failure on French doors. The large glass units on Tustin Ranch patio doors lose their gas fill after 20-25 years, and you get fogging between the panes. Seal failure can’t be resealed; the sash or the whole door gets replaced.
Pricing for Door Installation in Tustin, CA
Here are the actual ranges we quote in Tustin today. A basic entry door slab replacement runs $800-$1,800. A full pre-hung entry door with new frame and hardware runs $2,100-$3,900. French and double patio doors run $3,400-$7,200. Hurricane-proof impact doors run $3,800-$7,500. What moves the number: whether the frame needs rebuild, the glass package (clear, low-E, impact-rated), the rough opening size, and whether the City requires design review documentation. Every estimate we write includes the exact scope, the brand and model, the frame readings, and the total price, before anything is ordered or installed.
Bring us a competitor’s written estimate and we’ll review it at no charge. Call (509) 265-6387 to schedule your free measured survey.
We Also Serve Cities Near Tustin

Our crews serving Tustin also handle door installation in Santa Ana, Orange, Irvine, and Costa Mesa. If you’re in one of those cities, we apply the same written-price-before-work-starts rule and the same documented photo record. We also handle Window Replacement in Tustin for homeowners who want both openings addressed in one scope.
Serving Tustin, CA - Our Local Coverage Area
We’re based in the Tustin area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Door Installation in Tustin

Most standard door replacements in Tustin are installed within one to two weeks of the measured survey, assuming the door is in stock. For Tustin Ranch homes with common rough-opening sizes, we often have the unit in hand and can schedule sooner. Call (509) 265-6387 and we’ll give you a written date, not a window.
Yes. We work in Tustin Ranch, Old Town Tustin, Tustin Legacy, Columbus Square, and the neighborhoods around The District and Tustin Marketplace. Crews come from our Los Angeles scheduling office directly to your Tustin address. No trip charges for the measured survey.
Yes. If your home falls under the City’s Cultural Resources District overlay, we can prepare the design review documentation, including matching muntin profiles and sightlines on replacement doors. We’ve done this enough in Old Town that the paperwork doesn’t slow the project down. The measured survey stays with you, so the submitted scope matches the installed scope exactly.
Tustin pricing runs roughly the same as Santa Ana and Orange, and slightly below Irvine on comparable work, mostly because Tustin Ranch’s repetitive floor plans make sourcing predictable and faster. What changes the number in Tustin specifically is frame condition on 30-to-40-year-old tract homes and historic requirements in Old Town. Ask us for a line-item breakdown, and you’ll see exactly where each dollar goes.
Every door we install in Tustin is covered under our 365-Day Done Right Promise. If it’s not done right, we make it right. That’s written into the Haven Standard, not a verbal assurance. Manufacturer warranties vary by brand and product line, and we put those terms in your written scope before installation starts. Call (509) 265-6387 for an exact quote, estimates are free.
Written by Sonia Raman, Owner at Sightline Windows & Doors, serving Tustin since 2012.










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