T-Mobile Park

Opened in 1999

About T-Mobile Park

T-Mobile Park is an MLB stadium in Seattle, Washington. It opened in 1999. It was designed by NBBJ. It seats 47,476. Its current tenant is Seattle Mariners (MLB), since 2000. By capacity it ranks 6th of 30 current MLB venues, counting only venues with a known capacity. On our ranked lists it ranks 239th oldest of 354 stadiums and arenas still in use. It has also been known as Safeco Field (1999–2018).

Appears in

Photo of T-Mobile Park
Photo by MyName (Cacophony). License: CC BY-SA 3.0. Source: Wikimedia Commons.

Venue Information

Capacity

47,476

Source: Wikidata

Year Opened

1999

Address

1250 1st Avenue South, Seattle, Washington 98134

Elevation

17 ft

5 m above sea level

Architect

NBBJ

Operator

Seattle Mariners

Address derived from the venue's coordinates using data © OpenStreetMap contributors, available under the Open Database Licence (ODbL).

Elevation of the venue's coordinates from USGS and NASA SRTM elevation data, via Open Topo Data.

Architect and operator credits from Wikidata.

Capacity by layout

Layout Seats Source
General 47,476 Wikidata
Baseball 47,368 Wikipedia
Football 30,144 Wikipedia

Seating capacity depends on how the building is laid out for each event. Figures are the best sourced claim per layout.

Ad · We earn a commission on Fanatics purchases NFL Banners - Polos(opens in a new tab)
Ad · We earn a commission on Fanatics purchases 2026 Nike NBA End of Ordinary Collection(opens in a new tab)

Teams

Home seasons at T-Mobile Park by team, 1999–2026. Bars use each team's colors at the time; the table below lists every season.
Team League Years
Seattle Mariners
While based here: 27 seasons · 2141-2131 regular season · 4 postseason trips
MLB · 2000–present
  1. Kingdome 1977–1999
  2. T-Mobile Park 2000–present
MLB 2000–present

Records are each team's full-season results while it was based here, home and away games alike, from final scores. They are not records of games played at this venue.

Ad · We earn a commission on Fanatics purchases 2026 NFL Salute to Service(opens in a new tab)

Shop Seattle Mariners gear

Ad · We earn a commission on Fanatics purchases

Frequently Asked Questions

What is the capacity of T-Mobile Park?

The capacity of T-Mobile Park is 47,476.

When was T-Mobile Park built?

T-Mobile Park opened in 1999.

Who designed T-Mobile Park?

T-Mobile Park was designed by NBBJ.

Who operates T-Mobile Park?

T-Mobile Park is operated by Seattle Mariners.

Who plays at T-Mobile Park?

T-Mobile Park is the home venue of Seattle Mariners.

Where did the Seattle Mariners play before T-Mobile Park?

Before moving to T-Mobile Park in 2000, the Seattle Mariners played at Kingdome from 1977 to 1999.

Sources

Where the facts on this page were read from. How VenueStats compiles them.

Historical Names

T-Mobile Park

2019 - Present

Current

Safeco Field

1999 - 2018

Location

Coordinates: 47.5914, -122.3325
View on Google Maps

Nearby Venues

VenueYearsDistance
Kingdome 1976–2000 0.3 mi
Lumen Field 2002– 0.3 mi
Sick's Stadium 1932–1979 1.8 mi
Climate Pledge Arena 1962– 2.3 mi
Husky Stadium 1920– 4.3 mi
Denny Field 1895–1920 4.9 mi

Straight-line distance between the venues' coordinates.

References

Read more on Wikipedia

Teams on Wikipedia

Every source for the facts on this page is listed under Sources.

Ad · We earn a commission on Fanatics purchases Gift like a Fanatic(opens in a new tab)