Contact & Support

SEBASTIAN

Keeping You Connected & Secure

Get internet for your home starting at $52/m. Outrageously fast. No data caps. No hidden fees.

Explore Internet

Let’s find what you need

Phone

Reliable phone service with clarity on every call.

Internet

Browse fast, securely, with no limits.

Security

Peace of mind for your home and loved ones.
WORK FROM HOME

Work from home with confidence knowing you have the right internet speeds.

  • We Can Deliver Speeds Faster Than Other Providers
  • We Provide Reliable, Secure, Fast Fiber Based Network.
  • Our Technical Support Is Available 24/7
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Highlighted Programs

Lifeline Program

Sebastian proudly joins the California LifeLine Program, providing eligible households discounted phone services in collaboration with the California Public Utilities Commission for accessible and affordable communication.
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WHY US

Keeping people connected since '46

At Sebastian, redefining home services since 1946, our commitment to ‘helping you stay connected’ has powered thousands of customers. Your connectivity isn’t just a service; it’s an integral part of the moments that matter in your home.

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TESTIMONIALS

What People Say About Us

Explore Products

Explore our products and services to enhance your home experience with Sebastian—where connectivity meets convenience and security.
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Contact & Support

Contractor Lic. No. 940822 | Security Lic. No. ACO1290

© Copyright 2024 SEBASTIAN. All rights reserved.

Regulatory Info. Privacy Policy.

Residential

Commercial

Residential

Commercial

Lightwave 25 Mb Copper

  • Typical Speeds:
  • 23.2 Mpbs
  • 8.6 Mpbs

Unlimited Reliable Data

Stay connected with dependable, unlimited data.

24/7 Local Support

Help is always available from our local team.

No Contract Required

Enjoy freedom with no long-term commitments.

$79.95/mo
Sign Up
Broadband Nutrition Label

Broadband Facts

Sebastian

Lightwave 25.0 Mb - Data Option

Fixed Broadband Consumer Disclosure

Monthly Price $79.95
This monthly price is an introductory rate No
Contract No Contract Required

Additional Charges & Terms

Provider Monthly Fees
Router Lease 4.95
Optional WiFi Mesh Router Lease 4.95
One-Time Fees
Installation Fee 99.00
Non-Returned Router Fee $200.00
Late Fee 1.5%
Government Taxes Varies by Location

Discounts & Bundles

Visit the link below for available billing discounts and pricing options for broadband service bundled with other services like video, phone, and wireless service, and use of your own equipment.

https://sebastiancorp.com/promos/

Speeds Provided with Monthly Price

Typical Download Speed 23.2 Mbps
Typical Upload Speed 8.6 Mbps
Typical Latency <20 ms
Data Included with Monthly Price Unlimited MB
Charges For Additional Data 0.00
Network Management Policy Read our Policy
Privacy Policy Read our Policy

Customer Support

Phone: 1-800-841-9311
Email: CustomerService@sebastiancorp.com

Learn about the terms used on this label. Visit the Federal Communications Commission's Consumer Resource Center.

fcc.gov/consumers

F0001551837000000HSIDO25MB

Lightwave 30 Mb

  • Typical Speeds:
  • 30 Mpbs
  • 3 Mpbs

Unlimited Reliable Data

Stay connected with dependable, unlimited data.

24/7 Local Support

Help is always available from our local team.

No Contract Required

Enjoy freedom with no long-term commitments.

$107.90/mo
Sign Up
Broadband Nutrition Label

Broadband Facts

Sebastian

Lightwave 30.0 Mb - Data Option

Fixed Broadband Consumer Disclosure

Monthly Price $107.90
This monthly price is an introductory rate No
Contract No Contract Required

Additional Charges & Terms

Provider Monthly Fees
Router Lease 4.95
Optional WiFi Mesh Router Lease 4.95
One-Time Fees
Installation Fee 99.00
Non-Returned Router Fee $200.00
Late Fee 1.5%
Government Taxes Varies by Location

Discounts & Bundles

Visit the link below for available billing discounts and pricing options for broadband service bundled with other services like video, phone, and wireless service, and use of your own equipment.

https://sebastiancorp.com/promos/

Speeds Provided with Monthly Price

Typical Download Speed 30 Mbps
Typical Upload Speed 3 Mbsp
Typical Latency <20 ms
Data Included with Monthly Price Unlimited MB
Charges For Additional Data 0.00
Network Management Policy Read our Policy
Privacy Policy Read our Policy

Customer Support

Phone: 1-800-841-9311
Email: CustomerService@sebastiancorp.com

Learn about the terms used on this label. Visit the Federal Communications Commission's Consumer Resource Center.

fcc.gov/consumers

F000154606800000HSIDO300MB