Next-day appointments
Call or book today and we'll do our best to get a pro to you tomorrow.
The Portland datasheet
Weather figures computed from NOAA daily observations at PORTLAND INTL AIRPORT, 2019–2024. Housing figures from the US Census ACS 2023 5-year estimates for Portland city limits. Figures describe Portland, not your building; only an inspection decides that.
Fall Special
Call or book today and we'll do our best to get a pro to you tomorrow.
Anything that needs attention is shown to you and explained in plain words.
If something needs fixing, you get the price in writing first. Saying no costs nothing.
Is this your chimney?
Not a generic list: these are what this market's weather and housing actually produce. Find yours; the fix is one tap below it.

Why it happens in Portland: Like the rest of the maritime Northwest, Portland's chimney problem is patient water rather than sharp frost: moss holding moisture against the crown, mortar that never fully dries between October and May, and metal parts that rust from the wet side out. The most valuable habit here is the post-winter look at the crown and flashing, in the one season when everything is briefly dry enough to fix properly.
In maritime rain the enemy is patient water, not sharp frost: moss holds moisture against the crown, joints stay saturated, metal rusts from the wet side out. The maintenance that works is seasonal: moss off and crown checked in the brief dry window, repairs cured while cure is possible, stainless for the metal, and a breathable repellent once the masonry is sound and dry.

Why it happens in Portland: Portland's burning season is shorter than the northern average, and that is exactly what makes creosote sneaky here: light use persuades people the flue can wait another year, but deposits do not expire over summer. They sit in the flue absorbing moisture, souring, and accumulating season over season until the first hot fire finds them.
Book the inspection every year and sweep when it says to. That is the order NFPA 211 sets, and on a flue in regular use the two land on the same visit anyway. Whatever it turns up gets shown to you. Brushable deposits come off in the standard visit; glazed stage-three creosote is a separate chemical or rotary job, quoted before anyone starts, never sprung on the invoice.

Why it happens in Portland: An open flue is a den entrance, and the calendar decides the response. Chimney swifts are federally protected while nesting, so removal legally waits for fledging, usually late summer. Raccoons leave with persuasion and a one-way door; what never works is lighting a fire under any of them, which endangers the animal, the flue and the house in one move.
Humane removal on the right schedule, a full sweep afterwards (nests are tinder sitting in a chimney), and then the actual fix: a fitted stainless cap with mesh, which ends the whole cycle for a modest, one-time cost. It is the single highest-value part on the chimney.

Why it happens in Portland: 27% of Portland's homes predate 1940; irvington, Laurelhurst and the Alberta district carry Portland's Craftsman-era brick. Houses of that era ran fireplace and heating plant up the same masonry stack, and when the heating was modernised the shared flue usually was not. An oversized, cool-running appliance flue condenses and deteriorates for decades behind a fireplace that looks perfect, and a quote that covered "the chimney" often covered one flue of three.
A camera pass down every flue in the stack, not only the one behind the damper. It is the only way to see breached tiles and open joints between flues, and on older stacks it is the difference between an inspection and a look. If a liner has failed, relining that flue is the repair, and knowing before winter beats finding out during it.
Weather figures computed from NOAA daily observations at PORTLAND INTL AIRPORT, 2019–2024. Housing figures from the US Census ACS 2023 5-year estimates for Portland city limits. Figures describe Portland as a market, never any one building; only an inspection tells you about yours.
What we take care of
The housing shapes the job here: older Portland stacks often carry two or three flues, and each one is swept and checked separately. Anywhere in Portland, the price comes in writing before any work starts.
In Portland
Your request goes to a screened local company that covers your ZIP code.
They look at the chimney and put the price in writing before starting anything.
You approve the number, or you don't. Either way the visit costs you nothing to arrange.
The price before the work
A written estimate first, every time. Nothing starts until you have said yes to the number.
You see the reason, not just the price
Anything a pro says needs doing, they show you first: on camera where the job calls for a level 2 scan, in front of you where it does not.
Somewhere to go if it goes wrong
Tell us and it gets recorded and acted on. A company that fails the standard loses its place in the network, and that is a lever we actually hold.
Every company in the network is checked for license and insurance before it joins, and checked again if a complaint comes in. It is a check on the business, not a guarantee about the person who knocks, so ask to see both before work starts.
Two ways to book
A call is fastest. Booking online takes about a minute.
ZIP coverage
37 ZIP codes, one price list. We do not charge more for one suburb than another. If yours is not here, call anyway: we cover the whole country and can usually still get someone to you.
Nearby
Housing age moves further inside a city than between two cities, so each page below reads its own ZIP's Census tables against the local weather.
Reviews
“The whole process was really easy from start to finish. They showed up when they said they would, explained what they found, and didn't try to push anything I didn't need. The technician was friendly, professional, and left everything clean afterward. I'd definitely call them again.”
Ashley M.Homeowner
7 years
since 2019
VIO CHIMNEY was founded by Ryan Carter in 2019, and 7 years later the promise has not moved: a written estimate before any work, a level 2 scan you can watch if the job calls for one, and a pro who explains what they found in plain language.
Every guide and page on this site is reviewed by Ethan Miller, our chimney specialist, so what you read here matches what the work actually involves on a roof, not marketing copy about it.
From the guides
Portland questions
A standard sweep with a Level 1 inspection is the base. Price is set by the independent company that takes the job, not by VIO, and the pros in our Portland network do not charge more for one neighborhood than another. What moves the number is what the chimney actually holds. With 27% of homes here predating 1940, a lot of stacks carry more than one flue, often a fireplace plus a furnace run, and each is a separate job to brush and scan. The two items that genuinely cost more are glazed stage-three creosote, which needs chemical or rotary removal rather than a brush, and a Level 2 inspection for a property sale. Whatever the number, it is written down and approved by you before anything starts.
Measurably. Portland crosses freezing about 24 times a year at PORTLAND INTL AIRPORT, and each crossing expands water already soaked into brick and mortar. It is the repetition rather than any single cold night that does the damage: joints open, crowns crack along their span, and older brick loses its fired outer face. With 35.8 inches of rain a year there is plenty of water available to freeze, which is why this is the leading cause of chimney repair in the city.
Once a year. NFPA 211 calls for an annual inspection of every chimney regardless of how much it was used, with cleaning as the condition requires. That is the standard, not a sales position. Portland runs about 3,988 heating degree days a year, so the burning season is shorter than the northern average. That persuades a lot of homeowners they can skip a year, and it is the wrong conclusion. Deposits do not expire over summer, they sit in the flue and reactivate with humidity.
Considerably, and it is the most consequential thing about working on Portland housing. Irvington, Laurelhurst and the Alberta district carry Portland's Craftsman-era brick. 27% of homes here predate 1940, and chimneys of that age are soft brick set in lime mortar that was deliberately made softer still, so seasonal movement would sacrifice a joint rather than a brick. Repointing correctly means matching that softness. Using a modern high-strength mix inverts the system: the joint becomes the hardest element, the brick becomes the sacrificial one, and the faces spall off within a few winters around perfectly intact grey lines. We are called to fix that outcome regularly and it is almost always recent work rather than old neglect.
Masonry work in Portland wants the warmer half of the year, because mortar needs above-freezing temperatures to cure properly. Sweeping and camera inspections run year-round. The practical advice is to book the inspection in late summer, while there is still time to act on whatever it finds before the cold arrives. Beyond the weather, the practical answer is late summer for anything you can plan. The first cool evening of the year is when the whole city remembers the fireplace at once, and a two-week wait becomes normal. Booking before that means anything the inspection finds still has time to be repaired before you want to use it.
You are told on the day, shown what they found, and given a written estimate for the repair as a separate line, never added to the invoice for the visit you booked. Nothing beyond what you agreed happens without your approval. If the finding means the fireplace should not be used (a breached liner, a blocked flue, a crown letting water into the stack) we say so plainly and put it in writing. We would rather lose the job than let someone light a fire on a chimney we have just seen the inside of.