National Real Estate Advisors and HYM Development are overseeing the epic redevelopment of the Government Center Garage.

Work officially commenced this past January on the first phase: a 45-story, 486-unit, 480-foot residential tower.

Bulfinch Crossing will also include a 43-story, 528-foot, 1 million-square-foot office tower called One Congress.

The development of the Boston Harbor Garage is one of the longest-running sagas in Boston real estate.

In a nutshell, garage owner Chiofaro & Co. wants to replace the behemoth with a residential-office-retail hybrid of indeterminate size and breakdown.

Plans once called for two towers with 1.3 million square feet total, but ongoing battles with the Harbor Towers condo complex and the New England Aquarium have held things up; and it’s not clear, really, where things stand.

And then there’s the matter of the 1,000-foot Rose Kennedy Greenway extension known as the Blueway.

This complex is under construction on a 12-acre parcel, and is due to include 478 residential units when it’s finished.

Clippership Wharf will also include ground-floor commercial space, public facilities, and off-street parking for 295 to 308 vehicles, according to the city.

The complex’s 80-unit condo component at 65 Lewis Street, Slip65 (rendered here), started sales in early June—and promptly sold out in eight weeks.

Pre-leasing has started at the 200-unit Boston East complex at 126 Border Street along the East Boston waterfront, developer Trinity Financial announced.

The $71 million project, which is supposed to open in December, is set to include 174 market-rate units and 26 units designated as affordable, including six artist live-work apartments.

Available studios start at around $2,000 a month; one-bedrooms at around $2,200; two-bedrooms at around $3,000; three-bedrooms at around $4,800; and numerous lofts of various sizes at around $2,400.

The complex will also include amenities such as a kayak and paddle board launch; a dog spa; a fitness center; a concierge; a Hubway dock and Zipcar spots on-site; and quick access to the Harborwalk.

This planned six-story, 64-unit condo complex with ground-floor retail and 42 parking spaces received its final green light in December 2016, and construction is imminent.

The complex is also slated to include 74 interior bike spaces and a gallery showcasing East Boston’s shipbuilding history.

This four-floor, 34-unit apartment complex is expected to open imminently (construction is largely complete).

It will include 2,257 square feet of ground-floor retail and a 34-spot underground garage.

Market-rate rents in the Residences at 245 Sumner Street, which Velkor Realty Trust is developing, start at $2,400 a month.

The city in late July signed off on this four-story residential complex with 19 condos and 21 garaged parking spaces.

Thirteen of the units will be two-bedrooms and six one-bedrooms; two will be designated affordable.

K&K Development has yet to start construction on what’s been dubbed the Everett Street Residences.

The Boston Planning and Development Agency approved this five-story, 23-unit condo development with 25 interior parking spaces in late July.

Three of the units are designated as affordable.

City Real Estate Development Corp. has not started construction.

The city green-lighted this three-story, 23-unit apartment complex in July 2016. It is also slated to include 20 parking spaces; and three of the units will be designated as affordable.

Construction has yet to start.

The 161-acre Suffolk Downs racetrack could become the site of one of the largest developments in the Boston region’s recent history.

In fact, state and local officials (and journalists and the general public) have speculated aloud that Suffolk Downs could host Amazon’s second headquarters.

The old racetrack has been here before. Recall that it had been a leading contender to host the casino-resort that eventually wound up in Everett.

Since that 2014 loss, Suffolk Downs has been barely operational, hosting a handful of events in 2015 and 2016.

Then, in early 2017, development firm HYM Investment Group contracted to buy the racetrack and closed on that deal in May.

Given Boston-based HYM’s involvement in such larger-scale projects as Cambridge’s NorthPoint and Brighton’s Boston Landing (never mind the six-building Bulfinch Crossing in downtown Boston), it’s likely the group would go long at Suffolk Downs, too, with housing and retail a part of the mix.

Or Amazon.

The 34-acre dog-racing emporium shuttered shortly after a 2008 vote to ban the spectacle in Massachusetts.

It’s been dormant since, though roughly the same group of investors that recently sold the nearby Suffolk Downs racetrack to developer HYM has reportedly found another (unknown) buyer or set of buyers for Wonderland.

No deal has closed yet, and it’s not known what would replace the sprawling enclosure. Stay tuned.