Passersby at 2012 and 2014 Kalorama Rd. NW couldn’t be blamed if they assume they are seeing two renovated single-family houses, each with a restored front porch, repointed bricks, freshly installed flagstone steps, terraced landscaping and even a flagpole with a big American flag.

But what they are seeing are separate condominium buildings with four units in each that are attached to two new buildings with an additional four units in each, completely hidden behind the original houses. In other words, a total of 16 condo units are available in this historic Kalorama neighborhood, which rarely sees new development.

“We named the condo buildings the Hill and the Kendall after the original architects of these homes, which were each built in 1909,” says Patrick Conway, a principal and co-founder of Lock7 Development, which built the new condos.

When Conway and fellow Lock7 principal and co-founder David Gorman bought the single-family house at 2014 Kalorama Rd. in late 2012, they assumed they were starting a one-year conversion of the residence into a few condominiums. Once the work began and the developers consulted with homeowners in the neighborhood, the plans evolved into a years-long project.

“We redesigned the buildings to have a deeper setback from surrounding buildings and then, because the new design was narrower, we added an extra story for additional space,” Conway says. “Even so, the new buildings are not any taller than the original home’s peaked roof and dormer windows.”

Lock7’s original design for the new buildings incorporated elements meant to echo the features of the two historic houses at the front of the property, but Gorman says the Historic Preservation Review Board requested that each building have its own character so that the new ones would complement the old ones rather than mimic them.

“The board wanted us to have a clear distinction between the new and the old structures,” Conway says. “We continued that with the interior design so that homes in the original buildings have a more traditional feel while the units in each of the new buildings are completely modern.”

Mike Johnson with Lori Graham Interiors designed the units’ interiors.

The master bedroom is shown. (Benjamin C Tankersley/For The Washington Post)

Modern or traditional options: Gorman says that while all the units have a mix of two complementary colors of cabinets and counters in the open kitchens, the units in the front buildings have crown moldings extending throughout every room, deep window sills and traditional trim. The upper-level units in the original buildings have dormer windows with treetop views and sloped ceilings.

“The kitchen cabinets in the front homes are traditional wood cabinets, but in the new buildings, we used sleek, modern European-style cabinets,” Gorman says.

While buyers will not have a choice of features, the 16 units have custom paint colors, varied colors for the finished-in-place oak floors and different cabinet and counter color schemes, says Jonnie Jamison, an associate with Beasley Real Estate.

“Buyers can choose whether they want to be in one of the more traditional homes or in one of the contemporary-style homes,” she says.

For greater diversity, the developers opted to build a mix of home sizes, too, so there is one one-bedroom unit, five two-bedroom units and two three-bedroom units in each building.

European-style appointments: The Hill’s Unit 3 features a front porch with a private entrance into the open living and dining area and kitchen. This two-bedroom, two-bathroom unit in the original building features high ceilings, solid wood doors, tall windows, traditional cabinets and a Porcelanosa backsplash in the kitchen. The master bedroom features a sitting area, and the bathroom features two square sinks in the vanity, a glass-enclosed shower and traditional basket-weave tile on the floor of the shower. This 1,170-square-foot unit is priced at $779,900.

The Hill’s 1,230-square-foot Unit 4 is priced at $679,900. It has an oversized island in the open kitchen with a waterfall-style quartz counter and European-style cabinets. It has walls of floor-to-ceiling windows, two bedrooms, two bathrooms and three closets in the master bedroom. While many windows in this unit have views of the adjacent building’s retaining walls, plans are in place for a vertical wall garden to be installed to provide some greenery.

The Hill’s two-story Unit 8 penthouse has three bedrooms, three bathrooms and a private roof terrace. The 1,700-square-foot unit is priced at $1.495 million. The price includes a parking space.

The master bathroom has two square sinks in the vanity, a glass-enclosed shower and traditional basket-weave tile on the floor of the shower. (Benjamin C Tankersley/For The Washington Post)

The open main living and dining area features a catwalk with open railings on the upper level and is flooded with light through skylights, tall windows and glass doors. The first level of this unit has a bedroom with an adjacent bathroom and a deep closet. On the other side of the living area is the master bedroom, which has walls of windows, a private balcony, a private bathroom and two closets. The upper level has a third bedroom and bathroom at one end and an open family room with a wet bar and multiple doors to the terrace.

Some units have roof terraces; others, front porches, patios or Juliet balconies.

“While there’s some parking available behind the buildings and we provided a secure entry system, extra soundproofing and pre-wiring for Internet access, we decided to focus on making each unit special rather than providing building-wide amenities,” Gorman says. “Most of the homes have some outdoor space, and six have private entrances.”

Leafy and quiet streets: Few neighborhoods in the city offer the mix of elegant single-family houses, rowhouses and upscale condos that are to be found in Kalorama, which also is centrally located, being within walking distance of Dupont Circle, Adams Morgan, Woodley Park and the National Zoo.

Restaurants and shops abound within blocks of the Hill and the Kendall, yet the street offers a quiet residential feel. Embassies and ambassadorial residences are found throughout the Kalorama neighborhood.

Schools: Oyster-Adams Bilingual School, Woodrow Wilson High School

Transit: The neighborhood has a WalkScore of 90 (out of 100) and offers multiple transportation options including access to two Red Line Metro stations — WoodleyPark-Zoo/Adams Morgan and Dupont Circle — as well as a variety of Metro bus routes and the D.C. Circulator.

Michele Lerner is a freelance writer.

The Hill and the Kendall

2012 and 2014 Kalorama Rd. NW, Washington

The 16 condo units are priced from $549,900 to $1.495 million.

Builder: Lock7 Development

Features: Each unit has hardwood flooring, high ceilings, an open floor plan, stainless steel appliances, stone or Porcelanosa backsplashes, Quartz counters, under-cabinet lighting, a stacked washer and dryer, Elfa closet organizing systems, Nest thermostats, recessed halogen lighting, Waterworks fixtures and stone tile floors in all bathrooms.

Bedrooms/bathrooms: 1 to 3/1 to 3

Square footage: approximately 780 to 1,700 square feet

Condominium association fees: They are anticipated to range from $165 to $355 per month.

View models: 1 to 3 p.m. Saturdays and Sundays and by appointment

Contact: David Bediz with the Bediz Group at Keller Williams Capital Properties for the Kendall, 202-352-8456; Trent Heminger of Beasley Real Estate for the Hill, 202-210-6448; or go to .