A Washington man will serve 28 years in prison after he pretended to be a maintenance worker at an apartment building and then sexually assaulted a woman in the Rosslyn area of Arlington, authorities said.

Richard Allen Lowe, 25, was sentenced last week in Arlington County Circuit Court for the May 2017 assault that occurred at a building in the 1500 block of Key Boulevard near the Rosslyn Metro stop.

Arlington County Police said Lowe knocked on several apartment doors and pretended to be a maintenance worker. When one woman opened the door, he got inside and sexually assaulted her before he fled, police said.

Lowe was arrested last February and faced several charges, including unlawful wounding, abduction and burglary.

Arlington County Police Chief M. Jay Farr said in a statement that Lowe “preyed upon his victim’s sense of safety by posing as someone she should trust in her own home.

Richard Allen Lowe, 25, was arrested in February 2018. (Arlington County Police)

“While nothing can completely restore her sense of security, our community is safer today because of the significant sentences imposed by the court on a violent offender,” the chief said.

Farr said the sentence given to Lowe takes a “dangerous predator off the streets.”