Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CGI Construction in Mission Viejo, CA | Alder Contractors
We provide independent CGI construction and window service across Mission Viejo, from full replacement runs to targeted window and door repairs. The thing that makes our CGI work different here is simple: Mission Viejo’s planned-community housing stock, built almost entirely between the late 1960s and 1980s, puts our crews face-to-face with aging CGI frames, worn slider tracks, and HOA design review requirements every single week. Call (833) 467-7020 for a free estimate on CGI window, door, or full remodel work anywhere in the 92690, 92691, and 92692 ZIP codes. We’re not authorized by CGI, we just know these products cold.
Why Mission Viejo Residents Choose Us for CGI Service
We’re an independent CGI service provider whose crews work CGI window and door systems across Mission Viejo’s 1970s and 80s tract houses and planned-community condominiums. That matters because these homes are not new builds. The original CGI vinyl units on a 1979 tract house off Alicia Parkway have spent forty-plus years under Mission Viejo’s intense UV, and they fail in ways a spec sheet never mentions. Nelson Ibarra, our owner, grew up around construction and has spent the better part of three decades working on homes across Southern California. His father was a drywall finisher who brought him to job sites on weekends as a kid, which is where the trade got into his blood before he ever picked up a textbook. We bring that same hands-on grounding to every CGI assessment we do in Mission Viejo.
We build and install to CGI’s published standards and our own licensed judgment. When a frame is still structurally sound, we use CGI OEM components, including sashes, rollers, glazing beads, and weatherstrip. When a 35-year-old unit is past repair, we’ll tell you honestly and price a full CGI sales & service replacement instead of selling you a repair that won’t last. We handle the coordination so you don’t have to.
Styles & brands we work with







Common CGI Construction Problems We Solve in Mission Viejo
- Chalked, brittle vinyl frames. Original CGI vinyl window frames installed in the 1980s chalk, yellow, and go brittle from Mission Viejo’s intense UV exposure. The frames crack at miter joints and around screw bosses, which compromises the seal and lets dust and moisture into the track. We’ve pulled units off Alicia Parkway where the frame corners crumbled under finger pressure.
- Failed glazing seals and perimeter caulking. Mission Viejo’s repeated heat cycles shrink and fail the perimeter caulking and glazing seals on CGI units. The dry-season dust infiltrates tracks and weep holes, then winter rain finds the same gaps. We replace failed seals with fresh perimeter sealant and re-glaze when the sash is worth saving.
- Worn sliding glass door rollers and bent tracks. CGI aluminum sliders on Mission Viejo homes see decades of daily use. Rollers wear flat, tracks bend, and the door starts to drag or catch. Water pools at the sill during winter storms. We replace rollers, straighten or replace tracks, and re-set the door so it actually glides.
- Condensation and frame rot at retrofit openings. Where CGI units were retrofit into stucco openings on Mission Viejo’s sloped lots, the original flashing and sill pans on tract homes aren’t always up to today’s code. That leads to condensation between the panes and rot at the sill. We re-flash, add sill pans, and seal the reveal properly.
- Windows that rack out of square. Mission Viejo sits on former ranch land with expansive clay soils. Openings drift over time, so a CGI replacement that fits on paper can bind or gap in the real opening. We check plumb and square on every job, and we shim correctly, because incorrect shimming is where callbacks come from.
CGI Service in Mission Viejo: What Local Conditions Mean for Your Equipment
Mission Viejo is built on former ranch land with expansive clay soils and sloped lots, and that fact shapes CGI work here more than any other single thing. Window and door openings on these homes rack and drift over time as the clay soil swells with winter moisture and shrinks during the dry season. A CGI frame plumb-and-square check on a replacement is a bigger deal in Mission Viejo than on a flat-lot city like Lake Forest or Laguna Niguel. Do it right the first time, because the callback always costs more than the extra hour up front. We measure every opening before we ever order a unit, and if the opening has moved, we correct the rough framing or the shim plan before the new CGI window goes in. That’s not a generic replacement detail, it’s the difference between a window run that locks down for the winter storms and one that binds by March.
CGI Models & Products We Service in Mission Viejo
We work on the CGI product lines that show up most often across Mission Viejo service area homes. That includes CGI Windows & Doors vinyl replacement window lines, both single-hung and slider configurations, along with CGI entry and patio door systems. We also service CGI Aluminum series sliding glass doors and CGI custom-configuration window packages built for tract-home retrofits. On parts, we use CGI OEM components such as sashes, rollers, glazing beads, and weatherstrip when the frame is still structurally sound. When aftermarket glass or hardware is functionally identical and cheaper, we’ll say so and use it. We stock common CGI rollers, weatherstrip, and glazing beads locally so a Mission Viejo repair doesn’t wait on a freight shipment.
We’re not authorized, sponsored, or endorsed by CGI. We’re an independent contractor who installs and services their products to published standards and our own licensed judgment.
See the difference
Before
After
Before
After
Before
AfterCGI Service Pricing in Mission Viejo
What you’ll pay for CGI work in Mission Viejo depends on scope, the condition of the existing openings, and whether you’re repairing or replacing. Here are the ranges we work within:
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
| Roof Repair | $400 – $1,800 |
A free estimate from us includes a plumb-and-square check on every opening, a straight answer on repair versus replace, and a written line-item quote. No change orders hiding in the back of the bid. Call (833) 467-7020 for an exact number on your Mission Viejo CGI project.
Serving Mission Viejo, CA — Our Local Coverage Area
We’re based in the Mission Viejo area and know this community well, and we also handle CGI repair in Coto De Caza. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs – CGI Construction in Mission Viejo
Yes, and it catches people off guard. Mission Viejo is a master-planned community, and many renovations, including window and door replacement, must go through CC&R and HOA design review before work starts. That architectural approval process doesn’t exist in the same way in neighboring cities like Rancho Santa Margarita or Laguna Niguel. We help Mission Viejo homeowners prepare the window schedules and finish details HOAs ask for, so the review doesn’t stall the job. Call (833) 467-7020 and we’ll walk you through what your association is likely to require.
That’s UV degradation. Mission Viejo’s hot inland summers bake vinyl frames year after year, and the material chalks, yellows, and turns brittle. The corners crack at miter joints and around screw bosses because those are the highest-stress points on the frame. Once the frame is chalked and cracked, seal failure and water infiltration follow. The fix is usually replacement, not repair. Call (833) 467-7020 for a straight assessment of whether your frames are salvageable.
Yes, if the track is only bent or dirty and the frame is still square. We straighten tracks, replace worn rollers with CGI OEM or equivalent components, and clean out the weep holes. If the aluminum is cracked or the frame has racked from clay-soil movement, a new track or full door replacement is the honest call. Call (833) 467-7020 and we’ll tell you which category your door falls into.
Mission Viejo’s expansive clay soil swells and shrinks with moisture changes, which makes window and door openings rack and drift over time. A CGI unit installed without checking plumb and square will bind, gap, or crack at the frame corners sooner than it should. We measure every opening, correct the shim plan or rough framing, and only then set the new unit. It’s extra time up front that prevents callbacks later.
We do. A kitchen remodel in a Mission Viejo tract house often means replacing the window above the sink or the slider to the patio, and it’s cleaner to do that work under one contract than to coordinate a window company and a kitchen crew separately. Our kitchen remodels run $14,000 to $45,000, and we can tie the CGI window and door scope into the same schedule through our General Contractor in Mission Viejo. Call (833) 467-7020 for a free estimate and we’ll price the whole scope.
Service Areas Near Mission Viejo
We serve Mission Viejo and the surrounding communities. If you’re nearby in Bloomington, Muscoy, Fontana, Colton, San Bernardino, or Grand Terrace, our crews can reach your project. See our CGI service in Murrieta page and our CGI service in Laguna Hills page for coverage details in those areas.
Book Your CGI Service in Mission Viejo Today
Call (833) 467-7020 to schedule a free estimate on your Mission Viejo CGI window, door, or tied-in remodel project. We work on the 1970s and 80s housing stock this city is built on, and we know what these openings do after four decades. One contractor. Every phase.
Written by Nelson Ibarra, Owner at Alder Contractors, serving Mission Viejo since 2011.