Inspector Angela Burnell said property crime at Batemans Bay, Batehaven, Surfside and Catalina had increased.

Cash, valuables and tools have been targeted by thieves.

She urged residents to take more care when securing property, especially at night, even when home.

"Keep doors and windows locked, to eliminate opportunities for easy offending," she said.

Inspector Burnell said a large number of cars have been broken into.

"Steal from motor vehicle offences occur simply because people aren't locking their cars and leaving their handbag or belongings on the front seat," she said.

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"It's unfortunate that we experience such opportunistic property crimes, we would love to go back to the old days where you don't have to lock your front door - but things have changed.

"Community prime prevention is everyone's responsibility."

Police a following up a number of leads in regard to the break-ins.

"We are interested in speaking with anyone who has any knowledge on these offences; we would be interested in hearing from anyone with CCTV footage.

If you see something suspicious or out place in your local area, contact Batemans Bay Police 4472 0099.