The Back Bay was home to 14 of the city's top 20 sales, according to LINK. Three of the homes sold were at The Four Seasons Private Residences at One Dalton Street, the new 742-foot tower of shimmering glass, Boston's tallest residential building and the third tallest structure in the city with 61 stories.

The top 16 sales in Boston in 2019 were all for $10 million and higher. Even the 20th top sale of the year rang in with an impressive price of $9,475 million.

Many new records were set during 2019 in Boston’s condo and luxury condo markets, according to LINK.

The average citywide selling price for the year was a record $1,370,167. That’s a 12 percent upsurge from 2018 when it was $1,221,912.

The median selling price was also a legend – at $899,000 – a three percent increase from the previous year of $875,000.

The average price per square foot also hit a new high mark of $1,056, up four percent from the old spot of $1,014 in 2018, although the median price per square foot remained the same as 2018 at $955.

Sales volume for the year also achieved a new record, increasing one percent to $4,022,809,915 from $3,977,140,157 in 2018.

The Back Bay was home to 14 of the city’s top 20 sales, according to LINK. Eight of the homes sold were at The Four Seasons Private Residences at One Dalton Street, the new 742-foot tower of shimmering glass, Boston’s tallest residential building and the third tallest structure in the city with 61 stories.

Top sale

The most expensive sale of 2019, however, wasn’t at One Dalton. That honor goes to Unit 1005/1006 at Heritage on the Garden, 300 Boylston St., which sold for $20,000,000 on Jan. 22. This exquisite 5,083-square-foot Back Bay residence features a gourmet eat-in kitchen, an elegant dining room with a stone floor and fireplace, an expansive living room, a paneled library with a fireplace, a luxurious master bedroom with two baths and two dressing rooms, plus a beautiful guest suite. There is also an amazing walk out terrace, a two-car garage, and 67 feet of frontage on the Public Garden presenting spectacular views.

One Dalton

The second and third top sales of the year did come from One Dalton. Unit 5902 at One Dalton was the second highest sale of the year, going for $17,757,750 on Dec. 4. The third most expensive sale, Unit 5901 at One Dalton, closed at $17,265,000 on Dec. 20. Most of the sales at One Dalton came through Campion & Company.

One Dalton luxury condos boast contemporary character, style and sophistication as well as “unparalleled attention to the finest details.” Kitchens at One Dalton feature SieMatic cabinets and elite top-of-the-line appliances. Bathrooms are custom designed with gleaming marble and superlative fixtures. All rooms enjoy floor-to-ceiling glass windows marinating the residences in natural light and impressive views.

40 Beacon St., Unit 3

The fourth most expensive sale was not in Back Bay, but rather on Beacon Hill. Unit 3 at 40 Beacon St. was listed with and sold by Tracy Campion of Campion & Company on June 10 for $15,750,000.

This colossal home includes 5,050 square feet of luxury living space right across from Boston Common. 40 Beacon was a new project offering four new homes, all with spacious interiors that have a rare combination of features and amenities, including elevator access, oversized private terraces, park views and on-site parking.

40 Beacon boasts historic scale and detailing reflecting its original 1818 Greek Revival style that includes a gorgeous sweeping staircase and soaring ceiling heights – hallmarks of that era. The remodel preserves grand details and proportions while offering top-of-the-line finishes, fixtures and every modern residential amenity.

Pier Four PHC

The fifth top sale of 2019 is Residence PHC at Pier Four in the Seaport. This unit sold on June 3 for $15,231,920. Brigitte Petrocelli of Coldwell handled this property.

This meticulously designed penthouse showcases contemporary finishes and open living concepts with an architecturally designed staircase that leads to a spectacular private roof deck, equipped with a fully built out kitchen. There’s also a large balcony directly off the spacious living/dining room. The gourmet kitchen is complete with Gaggenau appliances, a steam oven, a 99-bottle beverage fridge and a water fall marble island.

Residents benefit from the convenience of both valet and self-parking, personal concierge services, fitness/wellness, virtual golf, a dog spa, a private lounge, a catering kitchen with adjoining terrace equipped with a grill, fire pit and wet bar.

The Lydon, Unit 5

Number six on the top sales list for 2019 was Unit 5 at The Lydon. This gorgeous home sold on June 27th for $14,300,000 through Rene Rodriguez of Cabot and Company.

The Lydon offers a “new level of style and sophistication in one of the most iconic and culturally sophisticated neighborhoods, Boston's venerable Back Bay.”

The homes at The Lydon feature “finishes of the highest order and unrivaled entertaining spaces.” The refined architecture is an “understated sophisticated style, characterized by clean lines and sublime detailing.”

Other amenities that the new owners are enjoying are the two garage parking spaces, direct elevator access and the daily conveniences that are attended to with ease at The Lydon with the help of a daytime concierge.

35 Commonwealth Ave, Unit 3

The seventh highest sale in Boston also comes in the Back Bay. 35 Commonwealth Ave., Unit 3 sold on Oct. 30 for $14,000,000 through Tracy Campion of Campion & Company. This penthouse is one of only two residences in a magnificently renovated brownstone.

The Penthouse encompasses the top three levels of the building with more than 5,200 square feet of living luxury. It combines three-plus bedrooms and four-and-a-half bathrooms with grandly scaled living, dining and entertaining spaces plus two large walk-out roof decks.

This residence was “meticulously constructed with unerring attention to quality. Every detail and finish – from the gourmet kitchen to the spa-like marble baths – is top-of-the-line and befitting such a fine address.”

Pier Four PHD

Number eight on the highest sales list is also at Pier Four. PHD sold on Aug. 16 for $13,651,888. It was originally listed with Janice Dumont of Advisors Living and ultimately sold with Diane Cole of Coldwell Banker Residential Brokerage.

This is another “meticulously designed penthouse” with access to the spectacular 2,019-square-foot private roof deck - equipped with a fully built-out kitchen. Surrounded by water on three sides and anchored by a one-acre park, this luxury boutique building offers magnificent harbor views.

One Dalton, Unit 4301

Another home marketed at One Dalton is where the ninth highest sale happened. Unit 4301 sold on Oct. 10 for $13,300,000. It is another of the many homes that now have their first owners.

75 Beacon St., Unit 2

Rounding out the top 10 is 75 Beacon St., Unit 2 on Beacon Hill. This home sold on Nov. 25 for $11,384,350 through Glenn Forger of Olde Forge Realty. This rare two-bedroom, two-full bathroom gem has amazing views of Boston Public Garden.

Among the exceptional features are a large majestic living room with sky-high cathedral ceilings and large ceiling-to-floor living room windows allowing an abundance of natural light. This home has beautiful cherry hardwood floors and a newly painted private deck. The home’s layout is superb with a living room that faces out onto Boston Common and the Public Garden. The comfy, well-sized bedrooms, including a deluxe master suite, face a quiet street in the back.

This home has two elegant fireplaces as well as central air conditioning and heating.

Coming soon: Top sales for each neighborhood in 2019.