Columbia is the second-largest community in Maryland, with roughly 105,000 residents spread across nine villages in Howard County. Developer James Rouse bought 14,000 acres of farmland between Baltimore and Washington in the early 1960s with the goal of building an intentionally designed city. The first homes went up in Wilde Lake in 1967. By the time the last village, River Hill, completed around 1990, Columbia had fundamentally changed what Howard County looked like.
What that history means for homeowners today: Columbia's housing stock spans 23 years of construction, and the homes look and behave very differently depending on which village they're in. Wilde Lake, Harper's Choice (1968), and Oakland Mills (1969) are the oldest — ranchers and split-levels, about 1,100 to 1,600 square feet, built when open-plan living wasn't yet the assumption. These homes are now 55 to 60 years old, and a lot of them still have the original kitchen layout: galley or L-shape, closed off from the living room. The most common project we do in those villages is opening the kitchen to the family room and installing a structural beam — it transforms the space without touching the footprint.
Village by village — what the housing stock actually is
The middle-era villages — Long Reach (1971), Owen Brown (1972), Hickory Ridge (1974), King's Contrivance (1977) — added townhome clusters and semi-detached homes alongside single-family. These run 1,200 to 2,200 square feet and are now 45 to 55 years old, deep into the window where mechanicals start showing their age and owners decide whether to refresh or sell. Dorsey's Search (1980) and River Hill (1990) are the newest, with larger colonials and neo-traditionals in the 2,000 to 3,500 square foot range — these are more often primary-suite bath upgrades and high-end kitchen renovations than open-wall structural work. See the Howard County hub page for the full county context, or the kitchen remodel page and bathroom remodel page for detailed pricing.
Permitting in Columbia — DILP and the county portal
Columbia is unincorporated Howard County — there's no city hall, no Columbia building department. All permits flow through Howard County's Department of Inspections, Licenses & Permits (DILP) in Ellicott City. Kitchen or bath remodels that move plumbing, electrical, or walls need a DILP building permit and the associated rough-in and final inspections. We file through the county portal, submit structural plans when the county requires them, and schedule every inspection ourselves. You never have to track down whether a rough-in passed.
The Columbia Association layer — exterior work has two steps
This is the part that surprises most homeowners doing exterior work for the first time. Columbia has a master community association — the Columbia Association (CA) — that holds architectural covenants over the entire community. Each village also has its own Village Community Association with a Residential Architectural Committee (RAC). Any exterior change — a deck, an addition, new siding, replacement windows, a fence, even a paint color change — needs RAC approval before you can pull the Howard County permit. Interior renovations typically don't trigger CA review, but anything that changes how the house looks from the street does.
RAC review takes up to 30 days and runs on the village's own meeting schedule; some villages offer a "fast track" for minor changes. The practical implication: if your project includes a deck or an addition, start the CA submittal weeks before you expect to break ground. We include this in our project timeline upfront so it doesn't become an unexpected delay mid-project.
What renovations cost in Columbia
Columbia home values average around $475K–$495K today, and the market is tight — homes move in under three weeks. That equity supports real investment in renovation. A mid-level kitchen in a Wilde Lake or Long Reach home runs $19K–$35K; opening the wall to the dining room adds $3K–$6K. High-end kitchens with custom cabinetry and stone in River Hill colonials can run $35K–$75K+. Bathrooms run $15K–$19K for a full gut and $22K–$40K+ for a primary suite. Most Columbia basements have full headroom, so a finished basement with a bath lands $45K–$65K without any underpinning cost. See the pricing page for line-item breakdowns, and our basement finishing page for the underpinning question in more detail.