The 13th election to Dagenham Urban District Council took place on 2 April 1938. It was the final election to the council, with another election required in November 1938 following the incorporation of Dagenham as a municipal borough.
In 1938 twelve of the seats were up for re-election:
Polling took place on 2 April 1938.
Members were elected in 1938 for a three-year term that was due to end in 1941. However, Dagenham was incorporated as a municipal borough on 1 October 1938. Terms were cut short to 1 November 1938 and an all-out election took place.
The results were as follows: