A midcentury non-mod, this rambling Riverside Terrace property has added on a few times over the years, expanding its footprint on a street of mostly brick, mostly two-story homes dating back five or six decades. Its lawn-eating circular driveway serves an attached front-loader garage and sits behind a sculpted berm off the sidewalk. Brays Bayou is a block north and Parkwood Park is down the slightly curving street. Inside, the time-altered floor plan’s formal spaces have informal counterparts. There’s a media room, miscellaneous “extra” rooms, and a bar (at right above) big enough to entertain the neighbors — possibly all of them at once. Listed mid-month, the 1950 home (remodeled in 1998) is asking $555,000.

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At some point in the home’s shape-shifting, a fireplace in the dining room off a window-boosted hallway appears to have been re-purposed. But as what?

An imposing set of floor-to-ceiling bookshelves forms one entire wall of the 13-ft. by 15-ft. study, which faces the street:

Kitchen renovations at some point added an island, ceiling-hugger cabinets, and new dark appliances:

From the kitchen, it’s a step or two down into this added-on room, which has the home’s functioning fireplace — a wood-burner — and access to one of 2 staircases. The second is beyond the bar at the other end of the room:

The utility room and all five bedrooms are upstairs. Among them:

Soak or shower? A chat-thru peek-a-boo window increases light au naturel:

Here’s another of the 3 full bathrooms in the home:

There are also 2 half-baths. Even with the expansions, the 6,100-sq.-ft. home leaves space for a back patio and north-facing yard on its third-of-an-acre lot.

• 3311 Parkwood Dr. [HAR]