Best Internet Providers in San Mateo, CA

1. Xfinity 500 Mbps Internet

Xfinity

500 Mbps Internet

Speed:
Typical download speed: 584.04 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.35 ms

Prices Starting At

$55.00/mo

Reg $95/mo

One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10

💰 Get Deal!

5-Year Price Lock Guarantee - $70/mo for 5 years

2. Xfinity 2000 Mbps Internet

Xfinity

Gigabit Extra

Speed:
Typical download speed: 2202.94 Mbps
Typical upload speed: 250 Mbps
Typical latency: 14.65 ms

Prices Starting At

$100.00/mo

Reg $140/mo

One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10

💰 Get Deal!

5-Year Price Lock Guarantee - $115/mo for 5 years

3. Xfinity 1000 Mbps Internet

Xfinity

Gigabit

Speed:
Typical download speed: 1167.49 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.24 ms

Prices Starting At

$70.00/mo

Reg $110/mo

One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10

💰 Get Deal!

5-Year Price Lock Guarantee - $85/mo for 5 years

4. Xfinity 300 Mbps Internet

Xfinity

300 Mbps Internet

Speed:
Typical download speed: 351.86 Mbps
Typical upload speed: 117.37 Mbps
Typical latency: 15.33 MS

Prices Starting At

$35.00/mo

Reg $80/mo

One-time Fees:
Installation Fee: $39.99 (Self-installation), $100 (Professional install)
Late Payment Fee: $10

💰 Get Deal!

5-Year Price Lock Guarantee - $55/mo for 5 years

San Mateo Business Internet Providers

San Mateo Internet provider frequently asked questions

How many internet companies provide service in San Mateo, CA?

As of October, 2025 there are 9 company that offer high speed internet service in San Mateo, CA.

Which company offers the best internet service in San Mateo, CA?

AT&T is the best internet company in San Mateo, CA that offers download speeds up to 50 Mbps and available to 100% homes.

Who has the fastest internet service in San Mateo, CA?

Xfinity Cable internet service offers the fastest 1200 Mbps download speed in San Mateo, CA.

Which provider has the cheapest Internet in San Mateo, CA?

The cheapest internet option in San Mateo is $19.99 per month. Comcast offers 150Mbps Cable Internet for as low as $19.99 per month.

Does San Mateo, California have fiber Internet?

Fiber-optic internet is available to 28% population in San Mateo, CA. AT&T is the only provider that offers fiber internet in San Mateo with download speeds up to 1000 Mbps.