Costco Gas — Dedham, MA
The Costco gas station at 200 Legacy Boulevard, Dedham, MA 02026 is open Monday–Friday 6 AM–9:30 PM, Saturday 7 AM–8 PM and Sunday 7 AM–7 PM. A Costco membership is required to buy fuel.
Source: OpenStreetMap station data. Report a mistake
200 Legacy Boulevard, Dedham, MA 02026+1-781-251-9975
Station facts and sources
| Fact | Value | Source |
|---|---|---|
| Address | 200 Legacy Boulevard, Dedham, MA 02026 | OpenStreetMap contributors; missing parts filled from the Google Maps listing |
| Phone | +1-781-251-9975 | OpenStreetMap or the Google Maps listing |
| Weekly hours | Monday–Friday 6 AM–9:30 PM, Saturday 7 AM–8 PM and Sunday 7 AM–7 PM | OpenStreetMap station data |
| Membership | Required to buy fuel | Costco membership policy (all Costco gas stations) |
| Holiday closures | New Year's Day, Easter Sunday, Memorial Day, Independence Day (July 4), Labor Day, Thanksgiving Day and Christmas Day | NBC News, “Is Costco open on Labor Day?”, 1 Sep 2025 (secondary; details) |
| Regional average (regular) | $3.85/gal, East Coast (PADD 1), week of 2026-11-09 | U.S. EIA weekly retail gasoline prices |
How we collect and check this data: methodology. Something wrong? Report a mistake.
Current Prices
No prices reported in the last 24 hours.
How it compares
The average retail price of regular gas in the East Coast (PADD 1) region is $3.85/gal (U.S. EIA, week of 2026-11-09). Costco fuel is typically priced below the regional average.
Location & Directions
Get driving directionsFrequently Asked Questions
What are the Costco gas hours in Dedham, MA?
The Costco gas station at 200 Legacy Boulevard, Dedham, MA 02026 is open Monday–Friday 6 AM–9:30 PM, Saturday 7 AM–8 PM and Sunday 7 AM–7 PM. Hours can change, so confirm with the station before a long trip.
Is Costco gas in Dedham open on Sunday?
Yes. On Sundays this station is open 7 AM–7 PM, according to the hours on file.
Where is the Costco gas station in Dedham, MA?
It is at 200 Legacy Boulevard, Dedham, MA 02026. The listed phone number is +1-781-251-9975.
Do I need a Costco membership to buy gas here?
Yes. A valid Costco membership card (or app) is required to purchase fuel at any Costco gas station, including this one in Dedham.
What payment methods does this station accept?
Costco gas stations accept Visa credit cards, most debit cards with a PIN, and Costco Shop Cards. Cash, checks, Mastercard, and American Express are not accepted.
Is Costco gas TOP TIER certified?
Yes. All Costco gasoline is TOP TIER™ certified, meaning it contains enhanced detergent additives that meet engine manufacturer specifications to keep your engine clean and running efficiently.
Is this station open on holidays?
Costco gas stations follow the warehouse holiday schedule. US Costco warehouses close on New Year's Day, Easter Sunday, Memorial Day, Independence Day (July 4), Labor Day, Thanksgiving Day and Christmas Day, according to a news report citing Costco's website; we have not yet confirmed this list on Costco's own site. Other holidays may have shorter hours, so check locally. See the holiday schedule and sources →
Disclaimer: CostcoGasHours.com is an independent third-party website and is not affiliated with or endorsed by Costco Wholesale Corporation. Prices and hours are community-reported and may not reflect current conditions.
Station Hours
Sunday7 AM – 7 PM
Monday6 AM – 9:30 PM
Tuesday6 AM – 9:30 PM
Wednesday6 AM – 9:30 PM
Thursday6 AM – 9:30 PM
Friday6 AM – 9:30 PM
Saturday7 AM – 8 PM
Holiday closures follow the Costco warehouse schedule. Holiday schedule →
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TOP TIER™ certified gasoline
Listing verified May 1, 2026
Data confidence: 80%