Updated September 10, 2026
How much housing does Frederick have?
The Census counts 34,181 housing units in Frederick for a population of about 80,617 — roughly 2.4 people for every housing unit.
That makes Frederick the second largest of the four Maryland cities with a page here; Baltimore counts 293,631.
Who arranges chimney work on a Frederick home?
About 59.2% of occupied Frederick homes are owner-occupied, which leaves about 40.8% rented.
Even at 59.2% owner-occupied, the remaining 40.8% of Frederick homes are rented, where the person who notices a problem and the person who authorizes the repair are not the same. Say which you are when you send a request.
Tenure also decides who keeps the paperwork. A Frederick chimney's earlier reports follow the property, not the occupant, so ask for them whichever side of that 59.2% you are on.
Which cities near Frederick have their own page here?
Hagerstown, about 22 miles away, Gaithersburg, about 23 miles away, and Baltimore, about 44 miles away — measured from Frederick.
Those are great-circle distances between the Census 2023 Gazetteer interior points of each place, so the drive is longer than the figure.
Hagerstown's median build year is 1962 against Frederick's 1990, a 28-year difference in the housing the two chimneys belong to.
What you can observe safely
- Photograph the staining while the system is cold and from a safe distance.
What to avoid
- Do not climb onto the roof or enter the chimney.
- Do not alter gas components, venting, or safety controls.
- Do not use a test fire to diagnose the problem.
Possible causes to assess
- Combustion deposits
- Smoke escaping the expected path
- Appliance or venting concern
A symptom cannot establish the cause remotely. An assessment of the complete system helps determine the appropriate repair.
Chimney inspection in FrederickA few common questions
Can this be diagnosed from a photo?
A photo can document a symptom and help prepare a visit. It cannot confirm concealed conditions or establish that a chimney or fuel-burning appliance is safe.
Sources & further reading
Source checked 2026-09-10.