The L train’s down on weekends for the next month, which could mean less hectic open houses in always-popular Williamsburg. If you don’t mind the transportation hassles, this weekend may be the perfect time to check in on apartments available in the neighborhood asking $750,000 to just under a million.

• 439 Metropolitan Avenue, #2

This 821-square-foot, one-bedroom, one-bath in an eco-friendly duplex condo is back on the market after a deal fell through. It comes with radiant floor heating, a deep soaking tub, a washer and dryer and a balcony off the kitchen. Asking price: $799,000. Open house: Sunday, April 26, 2 pm to 3 pm.

• 150 Richardson Street, #2B

This loft-like one-bedroom, one-bath condo has reclaimed brick walls, antique oak floors and custom folding glass doors that allow for an in-out living experience. Asking price: $949,000. Open house: Sunday, April 26, 2 pm to 4 pm.

• 1 Northside Piers, #3L

A 713-square-foot, one-bedroom, one-bath with a private terrace in a condo with a heated indoor pool, hot tub, sauna, fitness center and on-site valet parking. Asking price: $950,000. Open house: Sunday, April 26, 12 noon to 1:30 pm and Tuesday, April 28, 6 pm to 7 pm.

• 60 Broadway, #4L

An 876-square-foot, one-bedroom condo in the amenity-laden condo, the Gretsch, with a 24-hour concierge, a children’s playroom, roof deck and bike storage. Asking price: $999,000. Open house: Sunday, April 26, 12 noon to 1:30 pm.

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