Window replacement in Bowie 20715

Median build year in 20715 is 1966 and 82% of the housing predates 1980 — by a wide margin the oldest stock covered here. Nine out of ten homes are detached, and most have had at least one set of windows already.

What this ZIP means for windows

20715 is a different proposition from the rest of this list, and the difference is thirty years of building.

Most of it went up in the 1960s, in the large planned development that filled this part of Bowie, and 82 per cent of the housing here predates 1980. In a house of that age the windows on it now are usually not the originals — they are a replacement set from somewhere in the 1980s or 1990s, which puts them at the age where seals fail.

So the question here is often "what did the last owner put in", not "what did the builder put in". Mixed sets are common: a few openings done at one time, the rest still original, different profiles on different elevations. Worth walking the house and noting what does not match before anyone quotes.

The pre-1978 rules apply here, and that is the practical difference. Federal rules cover renovation that disturbs painted surfaces in housing built before 1978, and window replacement is named in them explicitly. The firm doing the work has to be certified for it and has to follow set containment practice. That narrows who can take the job and it affects how the work is done on site.

Say the build year early on the phone. In this ZIP it is not a detail — it decides which contractors can quote at all.

Nine out of ten homes here are detached, the highest share on this list, and rental is seven per cent, below every other ZIP on this list bar one. Detached houses of this era often run to more openings than their floor area suggests, because the pattern of the time put glass in stairwells, on landings and in basements.

What to have ready

Roughly the year the house was built, and whether the windows on it now are original or a later set. The number of openings, counted room by room. Whether any of them are a different profile from the rest.