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South Bay IT Services


Usage type
Service type

Responds within a day


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If you hire this pro, you’re covered by a money-back guarantee. Learn more

About
Hello, my name is Daniel. I’m an experienced IT specialist with 19 years in business, helping businesses, home office and remote professionals, and homeowners get reliable, stress‑free tech support. I offer: - Network support services to keep you connected and secure - Smart home installation and repair to simplify daily life - Data recovery services to help restore important files As an independent provider, I’m able to offer very competitive pricing and highly personalized service. If you’ve been putting off a technical project or don’t know where to start, I can help you create a clear, practical strategy that fits your needs and budget. Reach out today, and let’s get your technology working the way it should.
Overview

Hired 29 times

Serves Santa Clara, CA

Background checked

1 employee

19 years in business

Business hours

Sun9:00 am - 3:00 pmMon10:00 am - 2:00 pm

Payment methods

This pro accepts payments via Cash, Credit card, PayPal, Square cash app, and Venmo.

Services offered
Service type
Usage type

Personal (Home)

Commercial (Office)

Device type

Computer

Telephone system

Router

Projects and media
Projects and media
Reviews

Customers rated this pro highly for professionalism, responsiveness, and work quality.

Great 4.7

14 reviews

5

71%

4

29%

3

0%

2

0%

1

0%

Read reviews that mention:


pro avatar
LuckyPork M.

Nov 26, 2025

Hired on Thumbtack

Details: Commercial (Office) • Network administration • Network setup and installation • Technology support • Router • My home, venue, etc.

Network Support Services
pro avatar
Julie B.

Sep 30, 2025

Hired on Thumbtack

Daniel installed a mesh wi-fi system. He was easy to work with and thoroughly tested each node. It works great!!

Details: Personal (Home) • Network setup and installation • Network administration • Router • My home, venue, etc.

Network Support Services
pro avatar
Tomislav G.

4 weeks ago

Hired on Thumbtack

Daniel was very helpful in addressing my IT problems today, and I recommend his services

Details: Personal (Home) • Technology support • Computer • My home, venue, etc.

Network Support Services
pro avatar
Gloria R.

Sep 7, 2019

Hired on Thumbtack

Dan came out quickly to rectify some internet issues in a home office. He was able to resolve the issue quickly and made some excellent suggestions for other improvements.

Details: Personal (Home) • Network setup and installation • Computer • My home, venue, etc.

Network Support Services
pro avatar
James B.

Feb 18, 2022

Hired on Thumbtack

Daniel was very helpful and we were able to upgrade my home network with Google WiFi. Still have some work to do replacing a 16 port Netgear switch and reconnecting Nest devices, but everything is working much better now.

Details: Personal (Home) • Network setup and installation • Router • My home, venue, etc.

Network Support Services
Credentials
Background Check

Daniel Castellanos

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