Ranked #1 in Montclair
Based in Ontario, 8 mi away
65/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.8★ from 912 Google reviews, listed on Google as “Computer repair service”.
Best Computer Repair Shops in Montclair, CA (2026)
188 computer repair shops ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Montclair: The Fix Ontario Mills - Phone Repair, Tablet Repair and Accessories, IFR Score 65/100; 4.8★ from 912 Google reviews; open 7 days a week.
- 9
Most-reviewed: iTech Xpress Phone & Computer Repair, 2,746 Google reviews at 4.9★, the most of 188 ranked; ranked #9.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
188 Montclair computer repair shops are ranked here by IFR Score, from nine published factors. 116 open Saturdays and 45 open Sundays, based on posted hours. The median Google rating is 4.8★ across 188 rated IT firms.
Top 10 computer repair shops in Montclair at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Fix Ontario Mills - Phone Repair, Tablet Repair and Accessories | 65 | 4.8★ (912) | Ontario, 8 mi away | Sat · Sun · Evenings | Overall |
| 2 | CompuCell / Fox PC Custom Gaming PC Builder + Computer Laptop PC Apple MacBook iPhone iPad Repair | 64 | 4.9★ (1,907) | Fontana, 14 mi away | Sat | — |
| 3 | NetTech Computers | 63 | 4.9★ (476) | Rancho Cucamonga, 6 mi away | Sat | — |
| 4 | Absolutely PC- Custom Build , MAC/PC & Electronics Repairs | 62 | 4.8★ (179) | Claremont, 2 mi away | Sat · Evenings | — |
| 5 | Computers 4 Less - Repair Service | 62 | 4.9★ (32) | Ontario, 2 mi away | Sat · Sun · Evenings | — |
| 6 | The FIX | 61 | 4.6★ (851) | Riverside, 18 mi away | Sat · Sun · Evenings | — |
| 7 | Pc Specialist | 61 | 4.9★ (273) | Fontana, 10 mi away | Sat · Evenings | — |
| 8 | 40 Dollar Laptop and PC Repair | 61 | 4.9★ (62) | Rancho Cucamonga, 4 mi away | Sat · Sun · Evenings | — |
| 9 | iTech Xpress Phone & Computer Repair | 61 | 4.9★ (2,746) | Covina, 11 mi away | Sat | Most reviews |
| 10 | IPhix Cellphone Repairs | 61 | 4.9★ (241) | Rancho Cucamonga, 9 mi away | Sat | — |
The 188 best computer repair shops in Montclair, ranked
Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
Scores below: based on 8 of 9 factors; recency not yet collected. Hatched segments mark factors we don't have yet.
#2 CompuCell / Fox PC Custom Gaming PC Builder + Computer Laptop PC Apple MacBook iPhone iPad Repair
Based in Fontana, 14 mi away
64/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.9★ from 1,907 Google reviews, listed on Google as “Computer repair service”.
Based in Rancho Cucamonga, 6 mi away
63/100IFR ScoreRanked #3 because of its Google rating and service focus: 4.9★ from 476 Google reviews, listed on Google as “Computer repair service”.
Based in Claremont, 2 mi away
62/100IFR ScoreRanked #4 because of its Google rating and service focus: 4.8★ from 179 Google reviews, listed on Google as “Computer repair service”.
Based in Ontario, 2 mi away
62/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.9★ from 32 Google reviews, listed on Google as “Computer repair service”.
#6 The FIX
Based in Riverside, 18 mi away
61/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.6★ from 851 Google reviews, listed on Google as “Computer repair service”.
Based in Fontana, 10 mi away
61/100IFR ScoreRanked #7 because of its Google rating and service focus: 4.9★ from 273 Google reviews, listed on Google as “Computer repair service”.
Based in Rancho Cucamonga, 4 mi away
61/100IFR ScoreRanked #8 because of its Google rating and service focus: 4.9★ from 62 Google reviews, listed on Google as “Computer repair service”.
Based in Covina, 11 mi away
61/100IFR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 2,746 Google reviews, the most in Montclair.
Based in Rancho Cucamonga, 9 mi away
61/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.9★ from 241 Google reviews, listed on Google as “Computer repair service”.
#11 iRepair
Based in Walnut, 11 mi away
61/100IFR ScoreRanked #11 because of its Google rating and service focus: 4.9★ from 128 Google reviews, listed on Google as “Computer service”.
#12 Geeks On Site
Based in Pomona, 5 mi away
61/100IFR ScoreRanked #12 because of its Google rating and service focus: 4.5★ from 54 Google reviews, listed on Google as “Computer repair service”.
Based in Ontario, 3 mi away
61/100IFR ScoreRanked #13 because of its Google rating and service focus: 4.6★ from 79 Google reviews, listed on Google as “Computer repair service”.
#14 Zoftis Solutions
Based in Chino, 4 mi away
60/100IFR ScoreRanked #14 because of its Google rating and service focus: 4.9★ from 23 Google reviews, listed on Google as “Computer service”.
Based in Riverside, 16 mi away
60/100IFR ScoreRanked #15 because of its Google rating and service focus: 4.9★ from 507 Google reviews, listed on Google as “Computer repair service”.
Based in La Habra, 19 mi away
60/100IFR ScoreRanked #16 because of its Google rating and service focus: 4.9★ from 260 Google reviews, listed on Google as “Computer repair service”.
#17 Human Computer
Based in Riverside, 18 mi away
60/100IFR ScoreRanked #17 because of its Google rating and service focus: 4.9★ from 503 Google reviews, listed on Google as “Computer repair service”.
#18 Supreme Tech
Based in Rancho Cucamonga, 8 mi away
60/100IFR ScoreRanked #18 because of its Google rating and service focus: 4.7★ from 197 Google reviews, listed on Google as “Computer repair service”.
Based in Chino Hills, 7 mi away
60/100IFR ScoreRanked #19 because of its Google rating and service focus: 4.9★ from 209 Google reviews, listed on Google as “Computer repair service”.
Based in Rancho Cucamonga, 6 mi away
60/100IFR ScoreRanked #20 because of its Google rating and service focus: 4.8★ from 49 Google reviews, listed on Google as “Computer service”.
Based in Ontario, 7 mi away
59/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.8★ from 108 Google reviews, listed on Google as “Computer repair service”.
#22 VÖXBURG
Based in West Covina, 14 mi away
59/100IFR ScoreRanked #22 because of its Google rating and service focus: 5.0★ from 105 Google reviews, listed on Google as “Computer repair service”.
Based in Chino, 3 mi away
59/100IFR ScoreRanked #23 because of its Google rating and service focus: 4.7★ from 108 Google reviews, listed on Google as “Computer repair service”.
Based in La Habra, 19 mi away
59/100IFR ScoreRanked #24 because of its Google rating and service focus: 5.0★ from 340 Google reviews, listed on Google as “Computer repair service”.
#25 Rancho Computers
Based in Rancho Cucamonga, 6 mi away
59/100IFR ScoreRanked #25 because of its Google rating and service focus: 4.8★ from 86 Google reviews, listed on Google as “Computer repair service”.
Computer repair shops ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 188 ranked computer repair shops here; the rest are on their profiles.
Also serving Montclair
20 more computer repair shops within 20 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Bytewiser Data Systems, Inc. Managed IT Services | In Montclair | |
| Comp U Zone | 5.0★ (2) | 6 mi |
| Computer Power Services | 5.0★ (2) | 16 mi |
| Computers R US Repair Services | 3.0★ (2) | 14 mi |
| Dr. Rob Otto PC MD | 5.0★ (2) | 17 mi |
| evolution computer repair | 4.0★ (2) | 3 mi |
| Fast-Teks On-Site Computer Services | In Montclair | |
| Heba Technologies | 5.0★ (2) | 13 mi |
| ImpeccablePC | 5.0★ (2) | 13 mi |
| IT Advantage, Inc. | 5.0★ (2) | 17 mi |
| MAX COMPU CLINIC | 4.5★ (2) | 3 mi |
| MH Network Solutions | In Montclair | |
| Monitor Closely Inc & CCTV installation | 4.5★ (2) | 7 mi |
| NuTEK PC | In Montclair | |
| Pettit Consulting | 5.0★ (2) | 16 mi |
| San Diego Computer Repair | 3.0★ (2) | 15 mi |
| SimpleTech | 5.0★ (37) | In Montclair |
| Steven's Mac and Pc Repair | 3.0★ (2) | 15 mi |
| Tek 1 Electronics | 5.0★ (2) | 17 mi |
| True Business Innovation | In Montclair |
How we ranked Montclair computer repair shops
We scored 188 Montclair computer repair shops on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.
Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Montclair data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose a computer repair shop
- Ask for a written estimate and approve any extra work before it is done.
- Ask whether they come on site and whether they work on business systems as well as home computers.
- Check the warranty on parts and labour.
- Ask for two or three references from clients of your size and industry, and call them.
- Get the scope, response times and price in writing before you sign, including how you leave and get your data back.
Questions to ask a computer repair shop
- Is the diagnosis free, and how much is the estimate likely to change?
- Do you back up our data before the repair?
- Do you offer on-site visits for businesses?
- What warranty do you give on parts and labour?
- How long will the repair take?
Terms explained
- MSP (managed service provider)
- A firm that runs a business’s IT for a recurring fee: monitoring, patching, help desk, backups and security tools.
- Co-managed IT
- An arrangement where an outside firm supports an in-house IT person or team, sharing tools and tasks.
- Break-fix
- IT support paid per incident or per hour, with no monthly agreement.
- SLA (service-level agreement)
- The contract terms for response and resolution times, uptime and support hours.
- Help desk
- The support line staff call or email for IT problems.
- RMM
- Remote monitoring and management software that lets an IT firm watch, patch and fix computers remotely.
- vCIO
- A virtual chief information officer: part-time IT strategy and budgeting from an outside firm.
- MSSP
- A managed security service provider: a firm that monitors and manages security tools around the clock.
- EDR / MDR
- Endpoint detection and response software, and the managed service of people watching its alerts (managed detection and response).
- MFA
- Multi-factor authentication: a second proof of identity, such as an app prompt, on top of a password.
- Penetration test
- An authorised, simulated attack on your systems to find weaknesses before criminals do.
- SOC 2
- An independent auditor’s report (AICPA standard) on a service provider’s security controls.
Computer repair shops in Montclair: frequently asked questions
Who is the best computer repair shop in Montclair?
By IFR Score, the highest-ranked computer repair shop in Montclair, CA is The Fix Ontario Mills - Phone Repair, Tablet Repair and Accessories with an IFR Score of 65/100. It has 4.8★ from 912 Google reviews. It is open 7 days a week. CompuCell / Fox PC Custom Gaming PC Builder + Computer Laptop PC Apple MacBook iPhone iPad Repair (#2) and NetTech Computers (#3) follow. We ranked 188 computer repair shops on nine factors, last updated November 9, 2026.
How many computer repair shops are there in Montclair?
ITFirmsRanked ranks 188 computer repair shops serving Montclair, CA. Another 20 within 20 mi are listed but not ranked yet. Counts are as of November 2026.
Which computer repair shops in Montclair work on weekends?
116 of 188 ranked computer repair shops post Saturday hours and 45 post Sunday hours. The highest-ranked open Saturdays are The Fix Ontario Mills - Phone Repair, Tablet Repair and Accessories (#1), CompuCell / Fox PC Custom Gaming PC Builder + Computer Laptop PC Apple MacBook iPhone iPad Repair (#2) and NetTech Computers (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Montclair computer repair shops have?
The median Google rating among 188 rated computer repair shops in Montclair is 4.8★, with a median of 23 reviews. iTech Xpress Phone & Computer Repair has the most, 2,746 reviews, and ranks #9. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ITFirmsRanked rank computer repair shops?
Each computer repair shop gets a 0–100 IFR Score from nine published factors, led by reputation (25%), review volume (15%), service focus (15%) and recency (10%). An IT firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only IT firms with a confirmed service and 3 or more reviews, or a claimed profile, are ranked.
Do computer repair shops outside Montclair count in this ranking?
Yes, if they are within 20 mi of the Montclair city center, our service radius for computer repair shops. Each listing shows where the IT firm is based and how far away it is. Proximity is 5% of the IFR Score, so a nearby IT firm gets a small edge.
Can computer repair shops pay to rank higher on ITFirmsRanked?
No. The IFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured IT firms may appear above the list, labelled Sponsored and showing their honest rank.
What does a computer repair shop do?
Computer repair shops fix desktops, laptops and printers in store or on site: hardware repairs, upgrades, virus removal and setup. Many serve small offices as well as households.
How are computer repair shops in Montclair ranked?
By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does computer repair, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.
Should a business use a computer repair shop or an IT provider?
A repair shop suits one-off fixes on a few computers. Once you rely on shared files, email, backups and security across several staff, an IT provider with a support agreement usually works out better.
Should we back up before a repair?
Yes, if the computer still starts. Repairs can involve replacing drives or reinstalling the system. Ask the shop whether it backs up data first and what it charges.
Update log for Montclair
- November 2026: IFR Scores recalculated for 188 computer repair shops serving Montclair.
- November 2026: 1 duplicate listing merged.
More computer repair shops and Montclair pages
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