He was appointed an unofficial Justice of the Peace in 1909 and a member of the District Watchmen Committee in 1910, which was the advisory board to the Secretary of Chinese Affairs.

[6] In April 1932, Ng Hon-tsz caught a chill after attending Liang Shi-yi's birthday celebration.

[4][5] On 17 April, his funeral day, huge crowds lined the route from Ng's residence to Kennedy Town, congested with spectators on Caine Road that the police had to close the thoroughfare to vehicular traffic for two hours.

The funeral was attended by Governor Edward Stubbs as well as many government officials and community leaders.

The flag of the Chinese General Chamber of Commerce flew at half mast on that day.