Triple-deckers and two-family homes give Malden a chimney profile of its own. A single masonry stack often carries two or three separate flues, one for each unit, and those flues may serve a mix of gas heating equipment, an old fireplace, and nothing at all. Chimney Experts Boston inspects and sweeps each flue individually, because a problem in one can affect the units next to it. We confirm which flue serves which appliance at the appointment rather than relying on assumptions about the building's age.
In Malden, our $299 cleaning includes the sweep and a Level 1 inspection with labeled photos. If you need an inspection only, it is $49 and that fee is credited toward any repair work you approve. Repairs are always priced in writing before anything starts. Call (617) 404-9587 or book online to set up a visit.
Malden housing and chimney profile
Malden is in Middlesex County, Massachusetts. The housing stock the town is known for includes triple-deckers and two-family homes. What that means for an individual chimney is settled at the property, by inspection, not by the town it stands in.
What we see in Malden chimneys
The chimneys on Malden triple-deckers and two-family houses are tall, and the top few feet do the hardest work. Mortar joints near the top erode first, crowns crack, and the stack begins to lean or shed brick after years of ice and thaw. Because these chimneys are usually shared, a deteriorated wall between two flues can let exhaust from one unit's heating appliance migrate into another unit's flue. That is not visible from any apartment; it takes a camera run down each flue to find it.
Many of these buildings converted from coal or oil to gas heat, and the old brick flues are oversized for a modern gas boiler or water heater. The cooler exhaust condenses inside the flue and slowly dissolves the mortar, leaving a rough passage that sheds debris into the cleanout. A properly sized stainless liner for each gas appliance is the usual solution. Where a unit still has a working fireplace, creosote in the smoke chamber, a rusted damper, and a missing cap are the regular findings. Flashing at the flat or low-slope roof is a frequent leak point on these buildings.
The Level 1 inspection identifies every appliance connected to the stack and its fuel, then covers the firebox and damper where present, the smoke chamber, each flue passage, the exterior masonry, crown, cap, and roof interface. Photos are labeled by flue and location so an owner can see what applies to which unit. The written quote lists the component, the repair such as repointing, crown rebuilding, a liner, or flashing, the material, and the price. Nothing is started without your written approval.
Services available in Malden

Chimney Sweep & Cleaning
$299
Inspect-first service with photo documentation and a written scope before work.

Chimney Inspection
$49 / $99 / $299
Inspect-first service with photo documentation and a written scope before work.

Chimney Repair
$300–$2,500+
Inspect-first service with photo documentation and a written scope before work.

Chimney Rebuild
$2,000–$10,000+
Inspect-first service with photo documentation and a written scope before work.

Repointing & Tuckpointing
$300–$2,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Crown Repair
$300–$2,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Cap Installation
$300–$1,300
Inspect-first service with photo documentation and a written scope before work.

Chase Cover Replacement
$800–$1,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Flashing Repair
$200–$2,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Liners & Relining
$1,200–$4,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Waterproofing
$300–$800+
Inspect-first service with photo documentation and a written scope before work.

Creosote Removal
$299–$700+
Inspect-first service with photo documentation and a written scope before work.

Smoke Chamber Repair
$500–$1,500
Inspect-first service with photo documentation and a written scope before work.

Chimney Damper Repair
$199–$1,200
Inspect-first service with photo documentation and a written scope before work.

Firebox Repair
$350–$900
Inspect-first service with photo documentation and a written scope before work.

Masonry Repair
$300–$2,500+
Inspect-first service with photo documentation and a written scope before work.

Chimney Removal
Priced by inspection
Inspect-first service with photo documentation and a written scope before work.

Fireplace & Gas Fireplace Repair
$299–$1,500
Inspect-first service with photo documentation and a written scope before work.

Dryer Vent Cleaning
$99
Inspect-first service with photo documentation and a written scope before work.

Chimney Leak Diagnosis & Repair
$400–$3,000
Inspect-first service with photo documentation and a written scope before work.
Consistent Greater Boston pricing
| Cleaning + inspection | $299 |
|---|---|
| General inspection | $49, credited toward approved repair work |
| Buyer/seller inspection | $99 |
| Leak repair | $400–$3,000 |
How water problems are traced in Malden
A wet firebox does not automatically prove that the cap failed, and a ceiling mark beside the stack does not automatically prove that flashing failed. For Malden properties, we compare storm direction, timing, roof drainage, crown condition, wall absorption, and accessible attic evidence before assigning a repair.
The inspection starts with the homeowner's timeline: the room where moisture appeared, storm direction, whether the symptom occurs during every rain, and whether snow or ice was present. Exterior review then covers the cap, crown, termination, upper masonry, wall faces, flashing, cricket or back pan, and roof drainage above the chimney.
Where an attic, chase, or interior cleanout is safely accessible, it may reveal a path that is invisible from the roof. Old stains are documented separately from active moisture. If several openings are plausible, the recommendation can begin with a focused correction or further testing instead of selling every possible repair at once.
A broad water-repellent treatment is not presented as a substitute for open mortar, spalled brick, failed flashing, or a cracked crown. Physical defects are repaired first; a breathable masonry treatment may be considered only for suitable sound surfaces after repairs cure.
Seasonal planning in Malden
Late summer and early fall are useful times to schedule routine sweeping and inspection before heavy fireplace use. Exterior masonry work is easier to plan when surfaces are dry and temperatures support preparation and curing. Winter visits can still diagnose many problems, but snow or ice may limit roof access.
Spring review is useful after freeze–thaw exposure, especially when fragments, new cracks, rust streaks, or interior stains appeared during winter. A prompt inspection does not mean every condition needs immediate reconstruction; it establishes whether the change is cosmetic, repairable, or a safety and water-entry concern.
Homeowners can help by preserving prior reports, noting the timing of symptoms, keeping the hearth area accessible, and identifying appliance or renovation changes. That information makes the visit more efficient and supports a narrower, more accurate scope.
Planning a focused repair in Malden
A focused repair still needs a precise boundary. Photographs, quantity, preparation, material, finish, and exclusions allow the homeowner to confirm that the completed work matches the approved proposal.
If the inspection identifies a separate condition outside that boundary, it is documented independently rather than silently expanding a small repair into a different project.
Questions Malden homeowners ask
Can you inspect a Malden triple-decker with three flues?
Yes. Shared stacks on triple-deckers and two-family homes are a regular part of our work. The inspection runs a camera down each flue, checks the walls between them, and photographs the findings by flue. The report is organized so you can see which unit each finding affects.
What does the $299 cleaning cover?
The $299 visit includes a sweep of the flue, smoke chamber, and firebox and a Level 1 inspection of the accessible interior and exterior of the chimney. The technician photographs and labels each area, reviews them with you, and provides a written summary. Additional flues on a shared stack are quoted separately.
How does the $49 inspection credit work?
Book the $49 inspection and you receive labeled photos and a written report. If the report recommends a repair and you approve it in writing, the $49 comes off the repair invoice. If nothing needs work, the $49 is your total cost for the visit.
Do you handle gas heating flues and gas fireplaces in Malden?
We inspect and service gas fireplaces, gas inserts, and the chimney flues that vent gas boilers and water heaters. Gas exhaust deteriorates old brick flues from the inside, so the inspection checks liner condition and sizing. A stainless liner, if needed, is priced in writing before any work is scheduled.
What happens if the inspection finds a problem?
The technician shows you the photos, explains the finding, and gives you a written price for the repair before any work is done. No repair proceeds without your approval. Owners of multi-unit buildings can take the report to review with tenants or co-owners and schedule the work later.
What are your hours for Malden appointments?
Chimney Experts Boston works Monday to Friday 8 am to 8 pm and Saturday and Sunday 8 am to 5 pm. When you book, you choose a three-hour arrival window. The office confirms by phone ahead of the visit and the technician calls again when on the way.