Carole Cochrane, fondly referred to as Caz, has been left overwhelmed with stress and heartache after discovering her car windows had been smashed for the second time in less than a week.

"The left-hand passenger window was ruined on Thursday night," she said.

"Then I went out to get my car at 2pm on Sunday and I noticed my back rear window was smashed and also the rear passenger side was smashed.

"There were also all these scratches on the car."

The 63-year-old said she is devastated by the damage.

"I love the car, it's a good reliable car, and it's my pride and joy," Ms Cochrane said.

"To fix the windows its $1460 ... I don't know what the price will be for the paint."

Ms Cochrane said the added pressure of being without a way to get around and the cost to fix the car weighs heavily on her.

After losing her mother two years ago, and needing to care for her father who is in the hospital, she said the stress is overwhelming.

"I feel safe in my home, but I don't like what is going on outside," Ms Cochrane said.

Being a renter, Ms Cochrane said it's harder to toughen up security measures.

"I have spoken to my real estate and told them something needs to be done," she said.

"This is the first time something has happened to me. I think Wagga is getting worse."

Ms Cochrane said she doesn't understand how someone can treat another person like that.

"It is disgusting behaviour," she said.

"I just hope that it doesn't happen to anyone else because it is horrible.

"You pay and look after it, and then someone comes along and damages it. I hope they are feeling upset and teary like me."

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Despite the circumstances, Ms Cochrane said she has been receiving calls and messages of support from the community, and the police were "wonderful".

"As my dear mother used to say 'have a cry, then have a laugh'," she said.

Inspector Peter McLay said police had been notified of malicious damage to a car on Wren Street on Saturday night and investigations are under way.

Anyone with information should contact Wagga Police Station on 02 6922 2599.