A house that sold for $4.1 million tops the list of the most expensive residential real estate sales in Boulder in the past week.

The area saw a total of 33 residential real estate sales during the past week, averaging $1.1 million. The average price per square foot was $713.

The prices in the list below include real estate sales where the title was recorded during the week of Sept. 1 even if the property may have been sold earlier.

10. $1.2 million, single-family home at 1414 Mountain Pines Road

The single-family residence at 1414 Mountain Pines Road in Boulder has new owners. The price was $1,235,000. The house was built in 1973 and has a living area of 1,309 square feet. The price per square foot was $943. The house features 2 bedrooms and 2 bathrooms.

9. $1.3 million, single-family house at 1615 Kalmia Ave.

A sale has been finalized for the detached house at 1615 Kalmia Ave. in Boulder. The price was $1,295,000. It was built in 1966. The house features 3 bedrooms and 2 bathrooms.

8. $1.4 million, single-family home at 5350 Pennsylvania Ave.

A sale has been finalized for a detached house at 5350 Pennsylvania Ave. in Boulder. The price was $1,350,000. The house was built in 1978 and the living area totals 1,840 square feet. The price per square foot ended up at $734. The house features 3 bedrooms and 1 bathrooms.

7. $1.4 million, single-family house at 2545 Woodstock Place

The sale of the single-family residence at 2545 Woodstock Place in Boulder has been finalized. The price was $1,350,000. It was built in 1970 and has a living area of 1,593 square feet. The price per square foot was $847. The house features 3 bedrooms and 2 bathrooms.

6. $1.4 million, single-family home at 819 Grant Place

A 1,229-square-foot single-family house at 819 Grant Place in Boulder has been sold. The price was $1,375,000, $1,119 per square foot. The house was built in 1920. The house features 1 bedrooms and 1 bathrooms.

5. $1.6 million, single-family residence at 3242 Fourth Street

The property at 3242 Fourth Street in Boulder has new owners. The price was $1,550,000. The detached house was built in 1957 and has a living area of 1,344 square feet. The price per square foot was $1,153. The house features 3 bedrooms and 2 bathrooms.

4. $2.2 million, single-family residence at 514 Granite Drive

A 2,650-square-foot detached house at 514 Granite Drive in Boulder, has been sold. The total purchase price was $2,200,000, $830 per square foot. The house was built in 2016. The house features 3 bedrooms and 3 bathrooms.

3. $2.3 million, single-family house at 4518 47th Street

A single-family home at 4518 47th Street in Boulder, has been sold. The price was $2,300,000. The house was built in 1963 and has a living area of 1,488 square feet. The price per square foot was $1,546. The house features 3 bedrooms and 1 bathrooms.

2. $2.5 million, single-family home at 2545 Tamarack Ave.

A single-family house at 2545 Tamarack Ave. in Boulder, has been sold. The price was $2,450,000. The house was built in 1988 and has a living area of 4,392 square feet. The price per square foot was $558. The house features 5 bedrooms and 5 bathrooms.

1. $4.1 million, single-family home at 3132 Fifth Street

A 4,051-square-foot detached house at 3132 Fifth Street in Boulder, has been sold. The total purchase price was $4,050,000, $1,000 per square foot. The house was built in 2007. The house features 5 bedrooms and 5 bathrooms.