Best garage door companies in Diamond Bar, CA

The highest-scoring garage door company in and near Diamond Bar is A QUALITY GARAGE DOOR CO. (score 91, 5.0 stars from 860 Google reviews). 34 companies meet the 5 Star standard within about 16 miles; the top 30 are ranked below.

Last updated Nov 1, 2026How we rank
  1. 1

    A QUALITY GARAGE DOOR CO.

    5.0 · 860 Google reviewsFullerton, CA64 years in business

    A QUALITY GARAGE DOOR CO. is a family-owned and managed garage door repair and installation business operating since 1962. Based in Fullerton, California, it serves customers in Los Angeles and Orange County and also…

    Emergency service
    91SCORE
  2. 2

    Precision Garage Door Service

    4.9 · 3,395 Google reviewsAnaheim, CA

    Precision Garage Door Service serves Orange County and surrounding areas with garage door repair, installation, and opener services. The company has served the area since 1999 and works on springs, rollers, cables, op…

    Emergency service
    83SCORE
  3. 3

    DoorPosh Garage Repair

    5.0 · 602 Google reviewsAnaheim, CA

    DoorPosh Garage Repair supplies, installs, repairs, and replaces garage doors for customers in Los Angeles, Orange, and Riverside counties in Southern California. The veteran-owned and family-operated company has over…

    82SCORE
  4. 4

    Alliant Garage Door

    5.0 · 320 Google reviewsAnaheim, CA
    80SCORE
  5. 5

    Vortex Doors

    5.0 · 235 Google reviewsAnaheim, CA
    78SCORE
  6. 6

    Besser Garage Doors

    4.9 · 628 Google reviewsUpland, CA
    77SCORE
  7. 7

    Protech Garage Doors LLC

    5.0 · 193 Google reviewsEastvale, CA
    77SCORE
  8. 8

    Orange County Overhead Door Company, Inc.

    5.0 · 158 Google reviewsOrange, CA
    76SCORE
  9. 9

    Califix Garage Doors

    5.0 · 147 Google reviewsOntario, CA
    76SCORE
  10. 10

    Humberto's Garage Doors

    5.0 · 186 Google reviewsPomona, CA
    75SCORE
  11. 11

    Champion Garage Door Repair

    5.0 · 130 Google reviewsAnaheim, CA
    75SCORE
  12. 12

    Mesa Garage Doors

    5.0 · 86 Google reviewsEl Monte, CA
    74SCORE
  13. 13

    Precision Garage Door Service

    4.9 · 141 Google reviewsWhittier, CA
    73SCORE
  14. 14

    Rollit Garage Doors

    5.0 · 69 Google reviewsAnaheim, CA
    72SCORE
  15. 15

    Precision Garage Door Service of San Dimas

    4.8 · 344 Google reviewsSan Dimas, CA
    71SCORE
  16. 16

    Premier Garage Doors & Gates

    5.0 · 215 Google reviewsAnaheim, CA
    70SCORE
  17. 17

    Advanced Garage Door Repair & Installation LLC

    5.0 · 31 Google reviewsAnaheim, CA
    70SCORE
  18. 18

    Day & Nite Doors, Inc

    4.8 · 122 Google reviewsAnaheim, CA
    69SCORE
  19. 19

    Discount Garage Door Repair Service

    5.0 · 46 Google reviewsSan Dimas, CA
    69SCORE
  20. 20

    Whittier Garage Door Maintenance & Repair

    5.0 · 35 Google reviewsWhittier, CA
    68SCORE
  21. 21

    Caliber Garage Doors

    4.8 · 164 Google reviewsMontclair, CA
    66SCORE
  22. 22

    Garage Door Hero

    4.9 · 106 Google reviewsAnaheim, CA
    66SCORE
  23. 23

    Pioneer Door Inc

    4.9 · 1,035 Google reviewsAzusa, CA
    65SCORE
  24. 24

    Harold's Garages

    4.8 · 69 Google reviewsYorba Linda, CA
    65SCORE
  25. 25

    Spring Into Action Garage Door Services, LLC

    5.0 · 45 Google reviewsAnaheim, CA
    65SCORE
  26. 26

    Chino Bros Garage Door Repair & Installation

    5.0 · 36 Google reviewsChino, CA
    65SCORE
  27. 27

    Sunset Garage Doors

    5.0 · 20 Google reviewsMonrovia, CA
    64SCORE
  28. 28

    Solid Upland Doors & Gates

    4.7 · 54 Google reviewsUpland, CA
    63SCORE
  29. 29

    Glory garage door services

    5.0 · 38 Google reviewsBrea, CA
    63SCORE
  30. 30
    63SCORE

We list only companies that clear our published bar, so this area is still filling in. As more garage door companies near Diamond Bar qualify, they'll appear here automatically.

Compare the top 10

Top garage door companies in Diamond Bar by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1A QUALITY GARAGE DOOR CO.915.086064Fullerton
2Precision Garage Door Service834.93,395–Anaheim
3DoorPosh Garage Repair825.0602–Anaheim
4Alliant Garage Door805.0320–Anaheim
5Vortex Doors785.0235–Anaheim
6Besser Garage Doors774.9628–Upland
7Protech Garage Doors LLC775.0193–Eastvale
8Orange County Overhead Door Company, Inc.765.0158–Orange
9Califix Garage Doors765.0147–Ontario
10Humberto's Garage Doors755.0186–Pomona

Garage door companies in Diamond Bar: quick answers

Who is the highest-rated garage door company in Diamond Bar, CA?

A QUALITY GARAGE DOOR CO. has the highest 5 Star Score among garage door companies in and near Diamond Bar: 91 out of 100, with a 5.0 star Google rating from 860 reviews.

How many 5 Star garage door companies serve Diamond Bar?

34 garage door companies meet our standard within about 16 miles of Diamond Bar: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 30 have 9,542 Google reviews between them, averaging 4.95 stars.

How are these garage door companies ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

Garage door companies near Diamond Bar

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.