During his time in the Oregon House of Representatives, Eddy authored a bill, which eventually became law, that created a state-wide corporate tax.

In 1891, Eddy was hired as secretary for Simeon Gannett Reed's Bunker Hill & Sullivan Mine Company.

[11] During the Republican Party convention in 1900, Eddy put himself forward as a nominee for Oregon House of Representatives for the 14th District, which encompassed all of Tillamook and Yamhill counties.

[15] He also announced his intention to support Thomas A. McBride's nomination for United States Senator from Oregon over eventual winner Henry W.

[19] In 1901, the Multnomah County Republican delegation in the Oregon Legislature gifted Eddy a gold watch for helping protect their interests.

[20] Eddy was a proponent of improving Tillamook Bay during his time in the Oregon House of Representatives and secured state funds to survey and estimate the cost of the project in 1901.

His opponent for the Republican nomination, J. W. Maxwell, was supported by United States Senator Joseph Simon, Eddy's political adversary.

[24] During the general election in 1902, Eddy campaign on abolishing the office of roadmaster, which was praised by the Democratic Party newspaper the Tillamook Headlight.

[26] Eddy held several campaign events in various towns in the district including Beaver, Carlton, Dayton, McMinnville, Newberg and Oretown.

[29] In spite of support from the Multnomah County Republican delegation in the Oregon House of Representatives, Eddy was not able to secure enough votes to be elected speaker for the 1903 legislative session, losing to Lawrence T.

[36] In March 1902, Eddy helped create the Tillamook County Bank which began with a capital stock of $10,000.