Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Fast, Reliable Dryer Vent Cleaning Across Dundalk
Dryer vent cleaning in Dundalk typically runs $150 – $280 for a standard single-family or row house system, and most jobs take 90 minutes to two hours from arrival to cleanup. If your dryer’s taking two cycles to finish a load or you’re smelling something hot and sweet behind the machine, that’s not normal wear – it’s a blocked vent pushing heat and moisture back into your home.
We serve Dundalk from our Baltimore office, with crews that know the difference between a 1950s steelworker row house off Merritt Boulevard and a newer build near the water. That local knowledge matters because Dundalk’s older homes don’t fail like suburban systems. Their vent runs are longer, often roof-terminated, and built with materials that have been collecting lint and Baltimore Harbor-area moisture for decades. Call us at (361) 326-5060 for a free estimate, or keep reading to understand what we find in Dundalk homes and what fixing it actually costs.
Why Hollis Air Duct Cleaning Is Dundalk’s Preferred Dryer Vent Cleaning Company
Hollis Air Duct Cleaning has been part of the Garrison Partners family since 2004, and our Baltimore-area crews have built a reputation in Dundalk by showing up inside the window, pricing in writing, and leaving the site clean. We don’t compete on teaser coupons. We compete on discipline.
Our technicians are background-checked and uniformed, and our phones are answered by a live person 24 hours a day, 7 days a week. No voicemail loops. No callback queues. When you schedule Dryer Vent Cleaning with Hollis, you get a written price before any work starts and a 365-Day Done Right Promise – if the work fails within a year, we return and make it right at no charge, including a free second visit.
We’ve worked in the tight blocks around St. Helena and Turner Station long enough to know that shared walls and close setbacks mean one homeowner’s clogged vent can push humid, lint-laden air into a neighbor’s intake. That’s not a theoretical problem in Dundalk. It’s a pattern we check for on every job.
Dryer Vent Cleaning Company in Dundalk
Dryer Vent Cleaning Company work in Dundalk means dealing with vent systems that were installed when Bethlehem Steel was still running full shifts. Most of these homes have original 4-inch galvanized runs, often routed up through low-slope roofs or out through shared party walls. The steel-mill-era air left a distinctive black, oily residue in ducts that newer suburbs like White Marsh simply don’t have. A standard cleaning that ignores that history leaves the real problem untouched.
Our process starts with a camera inspection so we can see what we’re dealing with before we quote. We use Rotobrush rotary whip systems and Nikro negative-air machines with HEPA filtration to agitate and extract lint without dumping it into your laundry room or wall cavities. For Dundalk’s older homes, we also check for crushed elbows behind finished walls and disconnected runs that dump lint into cavities instead of outside.
What We Find Behind the Dryer
In Dundalk row houses, we regularly discover vent runs that were pinched during a 1980s kitchen remodel or disconnected when a previous homeowner swapped gas for electric. Surface-level cleaning passes lint through these breaks and deposits it inside the wall. We find it with the camera, mark the location, and explain your options before cutting anything open.
Roof Terminations and Water Intrusion
Low-slope roof terminations common in Dundalk’s 1940s and 1950s housing stock let rainwater and harbor humidity pool around the exterior flap. That moisture grows mold in the lint, creating a musty odor that returns weeks after a cheap cleaning if the termination isn’t addressed. We check the cap condition, the seal, and the slope – and we quote replacement if it’s needed.
Dryer Vent Inspection in Dundalk
Dryer Vent Inspection in Dundalk should happen before you buy any cleaning, and for good reason. We’ve seen too many homeowners pay for a “vent cleaning” that ran a brush through a disconnected line and called it done. An inspection with a borescope camera shows you the actual condition of the full run, from the dryer connection to the exterior termination.
We recommend a Dryer Vent Inspection if your dryer’s taking longer than 55 minutes for a standard load, if you smell burning or mustiness, or if it’s been more than two years since the last service. In Dundalk’s older housing stock, we also recommend inspection before any major appliance replacement – you don’t want to connect a new dryer to a crushed or disconnected run.
Camera Documentation
Our technicians show you the live feed from the inspection camera. You’ll see the lint buildup, any corrosion in galvanized sections, and whether the run is intact from end to end. We document findings with photos and provide a written report with our recommended scope and price.
Code and Safety Check
Dundalk homes fall under Baltimore County building codes, which require dryer vents to terminate outside with a backdraft damper and prohibit the use of flexible plastic or foil transition ducts. We flag violations we find, explain the fire risk, and quote correction if you want it handled.
Trusted Brands We Service in Dundalk
Our equipment roster includes Rotobrush rotary brush systems for mechanical agitation, Nikro negative-air machines for controlled extraction, and filtration products from Honeywell, Aprilaire, and Guardsman. We stock common replacement caps, elbows, and transition ducts for Dundalk’s older vent configurations, so most repairs don’t require a second trip. When we find a part that’s failed – a rusted roof cap, a crushed elbow, a backdraft damper stuck open – we can usually replace it same visit because we carry the inventory.
Common Dryer Vent Cleaning Problems We See in Dundalk Homes
- Crushed or disconnected galvanized runs behind finished walls. Original 1940s-1950s ductwork in Dundalk row houses was often pinched during later remodeling or pulled apart by vibration. A surface cleaning passes lint through the break and dumps it into the wall cavity, where it becomes a fire hazard and mold food source.
- Low-slope roof terminations holding water and growing mold. Dundalk’s humid subtropical climate and harbor proximity mean exterior caps on these older homes collect rainwater and atmospheric moisture. The resulting mold growth in packed lint creates a musty odor that returns within weeks if the cap and seal aren’t addressed.
- Shared party walls creating cross-contamination between units. In tight blocks around St. Helena and Turner Station, exterior dryer vents often terminate within a few feet of a neighbor’s air handler intake. A clogged vent on one side pushes humid, lint-laden air into the adjacent home’s return – a problem only crews who check exterior terminations catch and correct.
- Black, oily lint accumulation from industrial-era air. Decades of Bethlehem Steel operations and heavy truck traffic left a distinctive residue in Dundalk’s ambient air. That residue collects in dryer vents differently than standard household lint, packing denser and resisting standard brush methods without proper agitation and negative-air extraction.
Pricing for Dryer Vent Cleaning in Dundalk, MD
A standard Dryer Vent Cleaning in Dundalk runs $150 – $280 for a single-family or row house with one laundry location. Dryer Vent Inspection with camera documentation is $89 – $145, and we apply that fee toward the cleaning if you proceed same visit. Vent rerouting, crushed-run repair, or roof cap replacement adds $120 – $340 depending on material and access difficulty.
What moves the price: length of run, roof versus wall termination, whether we need to access the attic or crawl space, and whether we find damage requiring repair. We give you a written price before any work starts. The number on that paper is the number you pay. No per-vent pricing, no add-ons at the door, no bait-and-switch.
Call (361) 326-5060 for a free estimate. We’ll ask about your home’s age, the dryer’s location, and any symptoms you’re seeing, then quote you a range you can plan around.
We Also Serve Cities Near Dundalk
Our Baltimore office dispatches crews throughout the metro area, including Dundalk, Essex, Rosedale, Middle River, and Baltimore proper. The same written pricing, same background-checked technicians, same 365-Day Done Right Promise apply across every service area.
Serving Dundalk, MD - Our Local Coverage Area
We’re based in the Dundalk area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Dryer Vent Cleaning in Dundalk
Dundalk’s post-WWII steelworker homes have longer vent runs, often through low-slope roofs or shared party walls, with original galvanized ductwork that corrodes and traps lint. The area’s industrial air history leaves a denser, oilier residue than you’ll find in newer suburbs with PVC or smooth-metal runs and shorter paths to exterior walls. Call (361) 326-5060 and we’ll inspect the full run to show you exactly what’s slowing your dry time.
Yes, we clean roof-terminated vents regularly in Dundalk, and we check the cap condition and seal while we’re up there. These terminations are prone to water pooling and mold growth from Baltimore Harbor humidity, so we include cap assessment in every roof-termination job and quote replacement if the damper or seal has failed. Call (361) 326-5060 to schedule.
It can be. In Turner Station’s tight blocks with close setbacks, a clogged or missing-cap vent on one home can push humid, lint-laden exhaust into a neighbor’s air handler intake. We check exterior terminus locations and clearances on every Dundalk job, and we’ll tell you if your setup creates a cross-contamination risk that needs addressing. Call (361) 326-5060 for an inspection.
Signs include dry times increasing gradually, a hot laundry room with no airflow at the exterior cap, and lint collecting behind the dryer despite a clean lint trap. We confirm it with a camera inspection that shows the full run – if there’s a crush or disconnect, you’ll see it on the screen and we’ll mark the location before quoting repair. Call (361) 326-5060 to book an inspection.
No. Dryer vent cleaning covers only the exhaust duct from your dryer to the exterior termination. Air handler, supply, and return duct cleaning is a separate service with separate equipment and pricing. We can quote both during the same visit if you want your full system addressed, but we don’t bundle them without your explicit request. Call (361) 326-5060 to discuss what your home needs.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Dundalk and the greater Baltimore area since 2004.




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