Closing costs are a crucial aspect of buying a home. In its sixth annual study, financial technology company SmartAsset shows where closing costs are lowest by measuring closing costs as a percentage of median home value at the county level.

Here is a breakdown of some of the top-ranking San Diego area counties:

- Orange County (#4 in California)

- San Diego County (#11 in California)

Additional information on the study, including the full methodology, results and interactive map can be found here.

For a more detailed look at the top counties in California, check out the table and infographic below: