Medford's triple-deckers and two-family housing near the Mystic River share a common chimney design: one tall masonry stack, two or three flues inside it, and a mix of appliances connected over the decades. Chimney Experts Boston sweeps, inspects, and repairs those shared chimneys flue by flue. A camera run down each passage shows which flue vents the gas boiler, which one served a fireplace, and whether the walls between them are still intact, since a breach lets exhaust cross into a neighboring unit.
The $299 cleaning in Medford covers the sweep and a Level 1 inspection with photos. If you need only an inspection, the $49 fee is credited toward any repair work you approve. You get a written price before any repair starts, and nothing proceeds without your approval. Call (617) 404-9587 or book online to schedule a visit in Medford.
Medford housing and chimney profile
Medford is in Middlesex County, Massachusetts. The housing stock the town is known for includes triple-deckers and two-family housing near the Mystic River. What that means for an individual chimney is settled at the property, by inspection, not by the town it stands in.
Common chimney problems in Medford homes
Tall shared stacks on Medford's triple-deckers and two-family houses take a lot of weather at the top, and that is where masonry problems start. The crown cracks, water enters the top courses, and after enough winters the mortar joints recede and bricks work loose. On closely built streets, wind-driven rain reaches the exposed faces from several directions. When the deterioration passes through several courses, a partial rebuild from a sound boundary is the appropriate repair; when it is limited to the joints, repointing with a compatible mortar is enough.
Inside, the most common condition is an oversized, unlined brick flue venting a modern gas boiler or water heater. The cooler gas exhaust condenses on the flue walls and dissolves the mortar, and the debris collects at the base and can block the cleanout. Each gas appliance should have a stainless liner sized to it. Where a unit still has a fireplace, creosote in the smoke chamber, a corroded damper, and a missing cap are the typical findings. Flashing at the flat or low-slope roofs common on these buildings is a frequent leak point and is checked from the roof.
The Level 1 inspection identifies every appliance connected to the stack, then documents 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 owners can see which findings apply to which unit. The written quote lists the component, the repair such as repointing, a partial rebuild, a liner, a crown, or flashing, the material, and the price. No work starts until you have approved it in writing.
Services available in Medford
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 Medford
Medford chimneys experience repeated wetting and winter freezing. Water absorbed by open joints or damaged units can expand during freeze–thaw cycles, while a discrete flashing or crown opening may deliver liquid water much faster. The repair depends on which mechanism the evidence supports.
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 Medford
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 Medford
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 Medford homeowners ask
Can you sweep and inspect all the flues on a Medford two-family?
Yes. Shared chimneys on two-family homes and triple-deckers are a regular part of our work. The technician runs a camera down each flue, checks the walls between them, and photographs the findings by flue. Each additional flue on a shared stack is quoted separately so the price is clear.
What does the $299 cleaning include?
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 on site, and provides a written summary of any findings.
How does the $49 inspection credit work?
The $49 inspection is a standalone visit with labeled photos and a written report. If the report recommends a repair and you approve it in writing, the $49 is credited toward that repair. If no work is needed, you pay only the $49 for the inspection.
Do you handle gas boiler flues and gas fireplaces in Medford?
We inspect and service gas fireplaces, gas inserts, and the chimney flues that vent gas boilers and water heaters. Gas exhaust erodes unlined brick flues from the inside, so the inspection checks liner condition and sizing. If a stainless liner is needed, it is priced in writing before any work is scheduled.
What happens if the inspection finds something wrong?
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 can take the report to review with tenants or co-owners and schedule the work when ready.
How do I schedule a visit in Medford?
Call (617) 404-9587 or book online and choose a three-hour arrival window. The office confirms by phone before the appointment and the technician calls when on the way. Hours are Monday to Friday 8 am to 8 pm and Saturday and Sunday 8 am to 5 pm.