Mountlake Terrace grew from a single speculative development of small, cinder-block homes marketed to returning veterans, and that origin still echoes in its housing stock. The city has a notable share of mid-century single-family homes on modest lots, many renovated and expanded over the decades, alongside a growing inventory of newer townhomes and low-rise multifamily buildings concentrated near the Town Center and transit corridor. This mix keeps the community more attainable than many of its pricier neighbors while remaining firmly within the Seattle metro's core. Lot sizes tend toward the compact, favoring yards that are easy to maintain, and the street grid supports walking and cycling in a way that larger-lot suburbs do not. Buyers generally encounter a blend of original-era cottages and modern infill rather than large estate properties.

Mountlake Terrace is small enough that its neighborhoods read as districts rather than separate towns. The Town Center is the civic and commercial heart, built around a transit hub, city hall, a library, and a concentration of newer mixed-use development. Along the western edge, the Lake Ballinger neighborhood offers shoreline access, a popular park, and some of the city's most established streets. The Gateway area near the southern boundary fronts the I-5 interchange and mixes commercial and light-industrial uses with residential blocks, while quieter, tree-lined streets of mid-century homes fill the interior between the city's two main arterials. Each area stays within a short drive or bus ride of the others, reinforcing the sense of one cohesive community.

Public education in Mountlake Terrace is provided by the Edmonds School District, a large district serving the southwestern corner of Snohomish County. Students attend neighborhood elementary schools such as Mountlake Terrace Elementary and progress through the district's middle schools to Mountlake Terrace High School, which anchors local athletics and the arts. The district offers dual-language and specialized programs, and its size gives families access to a broad range of extracurricular offerings. As with any Washington district, individual school boundaries can shift, so families are wise to confirm assignment for a specific address, but the city's schools are a central part of its community life.

Mountlake Terrace sits directly on the Interstate 5 corridor, about 13 miles north of downtown Seattle, putting the urban core roughly 20 to 30 minutes away in normal traffic. The defining transportation feature is the city's Link light-rail station, part of the Lynnwood Link extension of Sound Transit's regional system, which provides frequent rail service into Seattle, the University of Washington, and Sea-Tac Airport. Community Transit operates local and commuter bus routes from the city's transit center, and the regional bikeway network offers connections to Shoreline and Lynnwood. For drivers, Interstate 405 is a short distance to the south, opening routes toward Bellevue and the Eastside.

Lake Ballinger is Mountlake Terrace's signature outdoor asset, with a park along its shoreline offering walking paths, fishing, a play area, and views across the water that recall the city's namesake scenery. The city maintains a network of neighborhood parks, playgrounds, and sports fields tied together by sidewalks and multi-use trails. The Town Center hosts community events and a farmers market during the warmer months, and the adjacent Veterans Memorial Park honors the community's postwar roots. For larger outings, residents can reach the trails of the nearby Interurban corridor or drive a short distance to the parks and shorelines of Shoreline, Edmonds, and Lynnwood.