A house in Southborough that sold for $1.7 million tops the list of the most expensive real estate sales in Worcester County between July 17 and July 23.

In total, 251 real estate sales were registered in the area during the last week, with an average price of $488,203. The average price per square foot was $268.

The prices in the list below concern real estate sales where the title was created during the week of July 17, even if the property may have been sold earlier.

10. $1 million, single-family home at 10 Heather Lane

A sale has been finalized for the single-family home at 10 Heather Lane in Southborough. The price was $1,000,000 and the new owners took over the house in June. The house was built in 1994 and the living area totals 2,762 square feet. Lane Rt Heather sold the house to Fedor Rudokav and Avital Braiman. The price per square foot ended up at $362. The deal was finalized on Jun. 30.

9. $1 million, single-family house at 89 Slough Road

The property at 89 Slough Road in Harvard has new owners. The price was $1,010,000. The house was built in 1977 and has a living area of 2,532 square feet. The price per square foot is $399. Sylvia Baedorf kassis took over the house from W Devillafranca Ret G. The deal was finalized on Jul. 5.

7 Mathieu Drive in Westborough

7 Mathieu Drive in Westborough, Mass. (Google)

8. $1.1 million, single-family residence at 7 Mathieu Drive

The property at 7 Mathieu Drive in Westborough has new owners. The price was $1,110,000. The house was built in 1987 and has a living area of 2,832 square feet. The price per square foot is $392. R Butler Ret Mildred sold the house to Bo Jin and Xinian Wu. The deal was finalized on Jun. 30.

7. $1.4 million, single-family residence at 15 Drumlin Hill Road

The 3,830 square-foot detached house at 15 Drumlin Hill Road, Bolton, has now been sold. The transfer of ownership was settled in July and the total purchase price was $1,400,000, $366 per square foot. The house was built in 2005. Paul Parent and Donna Parent took over the house from Peter J Ojerholm and Cheryl F Ojerholm. The deal was finalized on Jul. 8.

1 Bridle Path in Shrewsbury

1 Bridle Path in Shrewsbury, Mass. (Google)

6. $1.5 million, detached house at 1 Bridle Path

The sale of the detached house at 1 Bridle Path in Shrewsbury has been finalized. The price was $1,485,000, and the new owners took over the house in July. The house was built in 1997 and has a living area of 3,952 square feet. The price per square foot was $376. Khalil Yatim and Darline Yatim sold the house to Ryan Wallace and Rebecca Wallace. The deal was finalized on Jul. 7.

5. $1.6 million, single-family house at 14 Steel Road

The 6,577 square-foot single-family home at 14 Steel Road in Hopedale has now been sold. The transfer of ownership was settled in June and the total purchase price was $1,550,000, $236 per square foot. The house was built in 2004. David Plouffe and Robyn Plouffe sold the house to Arthur T. The deal was finalized on Jun. 30.

4. $1.7 million, single-family residence at 5 Cider Circle

The sale of the single-family house at 5 Cider Circle, Bolton, has been finalized. The price was $1,650,000, and the house changed hands in June. Jesse Santos and Diana Santos bought the house from Brett Pettis. The house was built in 2013 and has a living area of 4,975 square feet. The price per square foot was $332. The deal was finalized on Jun. 30.

92 Sears Road, Southborough

92 Sears Road, Southborough, Mass. (Google)

3. $1.7 million, detached house at 92 Sears Road

The 5,423 square-foot single-family home at 92 Sears Road, Southborough, has now been sold. The transfer of ownership was settled in July and the total purchase price was $1,660,000, $306 per square foot. The house was built in 1994. Ajaz A Munsiff and Marijke Munsiff vegting sold the house to Griffin Rt. The deal was finalized on Jul. 8.

91 Oak Trail, Bolton

91 Oak Trail, Bolton, Mass. (Google)

2. $1.7 million, single-family house at 91 Oak Trail

The sale of the detached house at 91 Oak Trail, Bolton, has been finalized. The price was $1,700,000, and the new owners: Brian Eaddy and Annemarie Gudin eaddy, took over the house in July from Lawrence A Irvin and Stephanie A Irvin. The house was built in 2004 and has a living area of 4,839 square feet. The price per square foot was $351. The deal was finalized on Jul. 7.

1. $1.7 million, single-family house at 4 Witherbee Lane

The property at 4 Witherbee Lane in Southborough has new owners. The price was $1,735,000. The house was built in 2004 and has a living area of 5,834 square feet. The price per square foot is $297. Fetoun Isreb and Bassel Isreb took over the house from Pinina A Collett. The deal was finalized on Jun. 30.

Real Estate Wire is a service provided by United Robots, which uses machine learning to generate analysis of data from Propmix, an aggregator of national real-estate data.