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Best Computer Repair Shops in Castaic, CA (2026)

73 computer repair shops ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Castaic: The Fix -Valencia town center, IFR Score 65/100; 4.9★ from 453 Google reviews; open 7 days a week.

  2. 2

    Most-reviewed: FastFix Reseda - Phone and Computer, 2,499 Google reviews at 4.9★, the most of 73 ranked; ranked #2.

Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank

73 Castaic computer repair shops are ranked here by IFR Score, from nine published factors. 39 open Saturdays and 24 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated IT firms.

Top 10 computer repair shops in Castaic at a glance

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

Top 10 computer repair shops in Castaic at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1The Fix -Valencia town center654.9★ (453)Valencia, 6 mi awaySat · Sun · EveningsOverall
2FastFix Reseda - Phone and Computer654.9★ (2,499)Chatsworth, 20 mi awaySat · Sun · EveningsMost reviews
3The Fix in Northridge Fashion Center644.9★ (1,617)Northridge, 18 mi awaySat · Sun · Evenings—
4Tortello Repair Services- iPhone, iPad, Macbook, Nintendo, PS4, PS5, Xbox, Logic Board & Microsoldering644.9★ (403)Santa Clarita, 9 mi awaySat · Sun—
5Easy Fix Repair- Simi Valley635.0★ (540)Simi Valley, 16 mi awaySat · Sun · Evenings—
6FastFix Northridge - Phone And Computer634.9★ (696)Northridge, 17 mi awaySat · Sun · Evenings—
7Computer Guy625.0★ (439)Stevenson Ranch, 18 mi awaySat · Sun · Evenings—
8FastFix Chatsworth - Phone and Computer624.9★ (460)Chatsworth, 17 mi awaySat · Sun · Evenings—
9SCV Computer Repair - TechAdict615.0★ (123)Santa Clarita, 11 mi awaySat · Sun · Evenings—
10CELL PHONE REPAIR615.0★ (266)San Fernando, 19 mi awaySat · Sun · Evenings—

The 73 best computer repair shops in Castaic, 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.

  1. Ranked #1 in Castaic

    Based in Valencia, 6 mi away

    65/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.9★ from 453 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 453 Google reviews
    Hours
    Mon–Tue 11 AM–8 PM · Wed 11 AM–5 PM · Thu 11 AM–8 PM · Fri–Sat 10 AM–9 PM · Sun 11 AM–6 PM
    Address
    24201 Valencia Blvd, Valencia, CA 91355
  2. Based in Northridge, 18 mi away

    64/100IFR Score

    Ranked #3 because of its Google rating and service focus: 4.9★ from 1,617 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 1,617 Google reviews
    Hours
    Mon–Thu 11 AM–8 PM · Fri–Sat 11 AM–9 PM · Sun 11 AM–7 PM
    Address
    9301 Tampa Ave Unit 205, Northridge, CA 91324
  3. 64/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.9★ from 403 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 403 Google reviews
    Hours
    Mon 9 AM–6 PM · Tue closed · Wed–Sun 9 AM–6 PM
    Address
    22924 Lyons Ave Ste 202, Newhall, CA 91321
  4. Based in Simi Valley, 16 mi away

    63/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 540 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 540 Google reviews
    Hours
    Mon–Sat 9 AM–8 PM · Sun 10 AM–6 PM
    Address
    2941 Cochran St Ste 7, Simi Valley, CA 93065
  5. Based in Stevenson Ranch, 18 mi away

    62/100IFR Score

    Ranked #7 because of its Google rating and service focus: 5.0★ from 439 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 439 Google reviews
    Hours
    Mon–Sun 8 AM–8 PM
  6. Based in San Fernando, 19 mi away

    61/100IFR Score

    Ranked #10 because of its Google rating and service focus: 5.0★ from 266 Google reviews, listed on Google as “Computer service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 266 Google reviews
    Hours
    Mon–Tue 9 AM–6 PM · Wed 11 AM–7 PM · Thu–Fri 9 AM–7 PM · Sat 10 AM–6 PM · Sun 1 PM–6 PM
    Address
    13120 Van Nuys Blvd, Pacoima, CA 91331
  7. Based in Castaic

    60/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 11 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    29029 Concorse Dr, Castaic, CA 91384
  8. 58/100IFR Score

    Ranked #13 because of its Google rating and service focus: 4.9★ from 231 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 231 Google reviews
    Hours
    Mon–Tue 11 AM–6:30 PM · Wed closed · Thu–Fri 11 AM–6:30 PM · Sat 11 AM–5 PM · Sun closed
    Address
    1419 San Fernando Rd F, San Fernando, CA 91340
  9. Based in Chatsworth, 17 mi away

    58/100IFR Score

    Ranked #14 because of its Google rating and service focus: 4.9★ from 130 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 130 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    10531 White Oak Ave, Granada Hills, CA 91344
  10. Based in Northridge, 18 mi away

    58/100IFR Score

    Ranked #15 because of its Google rating and service focus: 4.1★ from 587 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.1★ from 587 Google reviews
    Hours
    Mon–Thu 1 PM–4 PM · Fri–Sat closed · Sun 12 AM–12 AM
    Address
    8824 Shirley Ave Unit 15, Northridge, CA 91324
  11. Based in Chatsworth, 17 mi away

    57/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 43 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 43 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat 10 AM–7 PM · Sun 1 PM–7 PM
    Address
    20111 Vintage St, Chatsworth, CA 91311
  12. Based in Chatsworth, 17 mi away

    57/100IFR Score

    Ranked #17 because of its Google rating and service focus: 4.9★ from 107 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 107 Google reviews
    Hours
    Mon–Fri 9:30 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    9903 Topanga Canyon Blvd, Chatsworth, CA 91311
  13. Based in Castaic

    57/100IFR Score

    Ranked #18 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 9 Google reviews
    Hours
    Mon–Sat 8 AM–8 PM · Sun closed
  14. Based in Northridge, 18 mi away

    57/100IFR Score

    Ranked #19 because of its Google rating and service focus: 4.9★ from 61 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 61 Google reviews
    Hours
    Mon–Thu 9:30 AM–6:30 PM · Fri closed · Sat 10 AM–6 PM · Sun 11 AM–3 PM
    Address
    Located between AUTOZONE & CHIPOTLE, 9100 Reseda Blvd, Northridge, CA 91324
  15. Based in North Hills, 16 mi away

    56/100IFR Score

    Ranked #22 because of its Google rating and service focus: 4.8★ from 67 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 67 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    13867 Foothill Blvd Ste 106, Sylmar, CA 91342
  16. 56/100IFR Score

    Ranked #23 because of its Google rating and service focus: 4.9★ from 118 Google reviews, listed on Google as “Computer repair service”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 118 Google reviews
    Hours
    Mon 9:30 AM–5 PM · Tue–Fri 9:30 AM–6 PM · Sat–Sun closed
    Address
    17737 Chatsworth St #100, Granada Hills, CA 91344
  17. Based in Santa Clarita, 9 mi away

    55/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.7★ from 14 Google reviews, listed on Google as “Computer repair service”.

    Based on 7 of 9 factors; recency and availability not yet collected.

    • 4.7★ from 14 Google reviews
    Address
    20168 Gilbert Dr, Santa Clarita, CA 91351

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 73 ranked computer repair shops here; the rest are on their profiles.

computer repair shops in Castaic, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Priority Technology Solutions554.4★ (14)3 mi
27CpuExpress Mobile Computer Repair555.0★ (20)19 mi
28It's A Geek554.9★ (8)8 mi
29R-Tech Computers544.8★ (53)20 mi
30Apricot - Tech Services Delivered545.0★ (24)18 mi
31Quality Computer Repair Santa Clarita545.0★ (5)6 mi
32Netvision Computer Services545.0★ (25)15 mi
33WP Computers Inc545.0★ (13)9 mi
34Mac Repair of Santa Clarita534.6★ (10)6 mi
35The Computer Shop534.7★ (67)19 mi
36Aviña's Computer Services/Phone Repair534.1★ (15)17 mi
37MDJ COMPUTER REPAIR535.0★ (8)19 mi
38Rapid Mobile Repair534.7★ (14)18 mi
39LA MAC REPAIR534.9★ (35)20 mi
40Golden Oak Technologies, Inc.535.0★ (18)15 mi
41Valencia Computers535.0★ (4)9 mi
42Axiomteck524.8★ (8)16 mi
43AA Tech PC Repair525.0★ (5)7 mi
44Market West Computer Group513.7★ (9)17 mi
45PC Medics 911514.4★ (7)17 mi
46iProtech - Simi Valley - iPhone, Samsung, iPad, Mac, and PC Repair514.7★ (206)16 mi
47The Good IT Company515.0★ (13)In Castaic
48Marvin's Electronics Inc513.7★ (13)19 mi
49Tech Wizards Computer Repair515.0★ (5)17 mi
50Gabriel Najera Computer Services514.7★ (7)20 mi

Also serving Castaic

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.

Unranked computer repair shops serving Castaic
BusinessGoogle ratingDistance
Computer Repair Specialist-Valencia3.0★ (2)6 mi
Computer Solutions3.0★ (2)18 mi
danoncomputers com3.0★ (2)18 mi
Doug's DevicesIn Castaic
E System Sales Inc1.0★ (1)In Castaic
FTI Services - Santa Clarita Managed IT Services Company5.0★ (2)5 mi
I.T. Town5.0★ (2)16 mi
IT Service James JohnsonIn Castaic
Melko Technologies5.0★ (2)18 mi
Mobile PC ConsultingIn Castaic
Net Vision IT Support5.0★ (2)15 mi
New Age Tech5.0★ (2)8 mi
Old Dog New Tech5.0★ (24)In Castaic
PetersenSoftwares5.0★ (3)In Castaic
SCV Networks (Telecom & IT Support)In Castaic
Tablet Repair5.0★ (2)17 mi
Tap Solutions5.0★ (13)In Castaic
Technologisty LLC - U.S Government ContractorIn Castaic
The Digital DoctorIn Castaic
The Digital DoctorIn Castaic

How we ranked Castaic computer repair shops

We scored 73 Castaic 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.

Read the full method: formula, sources and exclusions

IFR Score factors and weights
FactorWeightComputed fromIn Castaic data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Review volume15%Number of Google reviews, compared with the most-reviewed IT firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday and 24/7 supportMeasured
Service focus15%How clearly the firm does this service (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its IT Firms Ranked profile (free or paid earn the same)Measured
Partnered5%The firm links to IT Firms Ranked from its own website with our badge, checked periodicallyMeasured
Client reviews10%Verified client reviews collected by IT Firms Ranked: their rating and how many there areMeasured

How to choose a computer repair shop

  1. Ask for a written estimate and approve any extra work before it is done.
  2. Ask whether they come on site and whether they work on business systems as well as home computers.
  3. Check the warranty on parts and labour.
  4. Ask for two or three references from clients of your size and industry, and call them.
  5. 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 Castaic: frequently asked questions

Who is the best computer repair shop in Castaic?

By IFR Score, the highest-ranked computer repair shop in Castaic, CA is The Fix -Valencia town center with an IFR Score of 65/100. It has 4.9★ from 453 Google reviews. It is open 7 days a week. FastFix Reseda - Phone and Computer (#2) and The Fix in Northridge Fashion Center (#3) follow. We ranked 73 computer repair shops on nine factors, last updated November 9, 2026.

How many computer repair shops are there in Castaic?

ITFirmsRanked ranks 73 computer repair shops serving Castaic, CA. 3 of them are based in Castaic; the rest serve it from nearby towns. Another 20 within 20 mi are listed but not ranked yet. Counts are as of November 2026.

Which computer repair shops in Castaic work on weekends?

39 of 73 ranked computer repair shops post Saturday hours and 24 post Sunday hours. The highest-ranked open Saturdays are The Fix -Valencia town center (#1), FastFix Reseda - Phone and Computer (#2) and The Fix in Northridge Fashion Center (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Castaic computer repair shops have?

The median Google rating among 73 rated computer repair shops in Castaic is 4.9★, with a median of 15 reviews. FastFix Reseda - Phone and Computer has the most, 2,499 reviews, and ranks #2. 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 Castaic count in this ranking?

Yes, if they are within 20 mi of the Castaic 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 Castaic 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 Castaic

  1. November 2026: IFR Scores recalculated for 73 computer repair shops serving Castaic.