Gas service Suffolk County, Long Island Open Saturdays

Brentwood office details

Address
1627 Islip Ave
Brentwood, NY 11717
Service handled here
Natural gas (Long Island, KeySpan Gas East footprint)
Hours
Monday to Friday, 7 AM - 8 PM
Saturday, 8 AM - 5 PM
Closed Sunday and public holidays
Local phone
1-718-643-4050
Customer service (Long Island gas)
1-800-930-5003 (tri-state)
1-631-755-6200 (outside tri-state)
Getting there
LIRR Ronkonkoma Branch - Brentwood station; Suffolk Transit S40 stops at Islip Avenue.

Smell gas? Do not come to the office

If you smell gas or suspect a leak, leave the building first, then call from a safe place. Walk-in offices are not for emergencies.

Gas emergency 24/7: 1-800-892-2345

What you can handle at this office

Walk-in services are limited to billing and account management. Anything urgent has its own dedicated line.

You can

Pay your National Grid gas bill in person, including on Saturdays.

Set up a new gas account or close one.

Ask about payment plans or financial assistance.

Get help reading your bill.

Update contact details on your account.

You cannot

Report a gas leak: call 1-800-892-2345 instead.

Get same-day service: call at least 7 days ahead.

Sign up with an ESCO in person.

Report an electric outage: PSEG Long Island handles Suffolk electric, not National Grid.

Other National Grid offices in New York

If Brentwood is not convenient, you can visit one of these other walk-in offices.

Nassau

Bellmore (Long Island)

2400 West Sunrise Highway - 11710

 Nassau

Hewlett (Long Island)

455 Mill Road - 11557

 Queens

Jamaica

89-67 162nd Street - 11432

 Brooklyn (Kings)

Downtown Brooklyn

1 MetroTech Roadway - 11201

 Brooklyn (Kings)

Brooklyn (Brownsville)

1535 Pitkin Ave - 11212

 Richmond

Staten Island

2031 Forest Avenue - 10303

 Onondaga

Syracuse (electric)

300 Erie Blvd W - 13202

Useful links

For tasks that do not need a visit, these pages cover most of what National Grid customers in New York need.

All National Grid offices Browse the 8 walk-in offices in New York. Utility profile Company overview, service map, history. Pay your bill online Online, phone, mail, autopay options. Start service when moving in What to do at least 7 days ahead. Compare ESCOs in New York Pick an alternative supplier and save. Electricity in New York Deregulated market and utilities.
18 deregulated jurisdictions

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