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Top-Rated Doors (exterior) installers and replacers in El Cajon - Updated Nov 2026

Avatar for Ecotech Pro Inc
Ecotech Pro Inc
4.9(
80
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Gil and Gabriel were outstanding. I had not intended to need so much work, but when it was found that my A/C duct system was filled with mold, they were able to replace all the ductwork in a timely, professional, and reasonably priced job. This kind of work disrupts your entire household, but they made it as smooth and easy as possible. Their installation was efficient and they showed me pictures to evaluate everything. They patched and painted all the necessary holes and cleaned up after their work. I really appreciated their courtesy and explanation about all the work. I will definitely be hiring them to do my annual dryer vent cleaning and future inspections. I would recommend them highly!
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Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Air Duct Cleaning

+3

Response time1 day
Response rate100%
19 neighbors recently requested a quote
Avatar for AMERICAN VISION WINDOWS, INC.
AMERICAN VISION WINDOWS, INC.
4.4(
28
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 1999

Free estimates

Warranties offered

"The production of the product took a little longer than expected, but as soon as the windows were ready the install was super fast. The guys finished all 18 windows of my home in 1 day! The communication with the office can be improved, but overall I has a very good experience. I would definitely recommend."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+4

168 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"The new flooring installation has revitalized our home's appearance, giving it a fresh and modern look that feels both durable and aesthetically pleasing. It's a significant upgrade that enhances our living spaces with its timeless appeal."
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+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Timberwood
Timberwood
4.2(
41
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

San Diego design-build contractor since 2002. We design and manage your whole project, inside and out — complete outdoor living (patios, pavers, pergolas, decks, walls, fencing, landscaping) plus interior remodels and additions, including kitchens and baths. Licensed, bonded, insured — CSLB #925904 (Class B - General Building Contractor, C-27 Landscaping, C-33 Painting & Decorating). Owner-operated, 35+ years in construction. Free consultation, serving San Diego County.\n\nOne accountable contractor from design through build, coordinating every trade so your project is done right the first time.

Deck and Railing
New Wood Deck
Deck Corner View
Metal Railings
Redwood Deck

+187

10 neighbors recently requested a quote
Recommended by82%of homeowners
Home Pro Remodeling & Construction, Inc.
4.1(
31
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

In business since 2019

Free estimates

Credit card accepted

"Our roof was in bad shape and we needed to have it replaced. I had gotten estimates and decided to go with Home Pro Remodeling. Emil and Brian were our contact people for the project. Emil was very professional and paid attention to our concerns. He worked with us through the entire project to our complete satisfaction. Brian is extremely courteous and helpful as well! The project went very smoothly, was completed before the initial project end date, and the results were beyond our expectations. The job turned our beautifully! Our new roof looks FANTASTIC! Our neighbors have commented to us how great it looks. We are very pleased with our experience with Home Pro Remodeling and would definitely recommend them."
Response time5 days
Recommended by77%of homeowners
Avatar for Sd assembly pro
Sd assembly pro
5.0(
6
)
Doors (Exterior) - Install or Replace

Serving El Cajon, CA and surrounding areas

Approved

Free estimates

Credit card accepted

"SD Assembly Pros / Steve Lawrence is an exceptional contractor. We have several rental properties in the San Diego area that Steve has helped us with, and he just finished a full rehab on our 2bed / 2bath condo in Santee that was severely water damaged. This project included replacing the bath: tub; shower door; walls; ceiling; plumbing; and tile, and all the interior doors / casings, plus painting and various handyman services - the place has never looked this good! And Steve?s communication is absolutely the best, he talked us through the whole process, step-by-step, even suggesting design choices (which we readily accepted) and he regularly texted progress videos. This was particularly reassuring for us as we live in North Carolina. SD Assembly Pros / Steve Lawrence is the best."
office furniture
Furniture assembly
Lift top desk
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Showing 1-10 of 114
FAQs for doors (exterior) installation and replacement projects in El Cajon, CA

If your entry bakes in direct sun, fiberglass is the clear winner. The material shrugs off extreme heat, stays energy-efficient, and won’t warp or fade the way wood sometimes can. Paired with low-E or UV-blocking glass, a quality fiberglass door keeps hot air out, cool air in, and should serve you reliably for roughly two decades.

A seasoned door pro can hang a replacement door in two to four hours—mounting the slab, tweaking the fit, and adding hinges, knobs, and weatherstripping. If the jamb needs repairs or you’re cutting a brand-new opening, plan on extra time so everything lines up and seals tightly. Either way, most projects wrap up in a single afternoon.

The El Cajon, CA homeowners’ guide to doors (exterior) installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.