Dan from Park Security & Key was prompt (in fact, early - but offered to wait outside til I was ready), professional and friendly when he came out to replace the locks at our house. I asked for his advice as a locksmith on a couple of issues, and he gave down-to-earth recommendations, without taking the opportunity to 'up-sell' me to new locks / products I didn't need. I didn't do a lot of comparison shopping, but his prices seemed reasonable - $20 per lock to replace the tumbler, and $55 for the service call. Definitely would use him again.
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