Plumbing
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Emergency Plumbing
24 hour emergency plumber service.
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Gas Lines
Natural gas line installation, repair and replacement.
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Leak Detection
Leak detection and slab leak repair.
Montgomery County
Plumber in Olney, MD
Olney is a routine part of Mallick's Montgomery County map, covered around the clock like the rest of the county.
4.9 from 2,979 Google reviews
30+ Years 30+ Years Serving Maryland
24/7 Service 24/7 Emergency Service
WSSC Licensed WSSC Licensed & Insured
Locally Owned Locally Owned and Operated
Plumbing in Olney
Trusted Plumbing Service In Olney
Most of Olney's neighborhoods went up in the 1970s and 80s, which puts the original plumbing in its fifth decade. That's the age when the patterns start: water heaters on their second or third replacement, original valves that no longer quite close, drain runs that need attention more often than they used to. We treat the recurring call as a diagnosis problem, not a subscription.
Fifth-decade plumbing has a rhythm: water heaters on their second or third replacement, original shut-off valves that no longer quite close, hose bibs that burst at the first hard freeze, and drains that need attention more often than they used to.
Olney is well inside the regular dispatch area — 24/7 emergency response, WSSC permits pulled as part of any job that needs one, and written warranties on all of it.
- Water & sewer in Olney
- WSSC Water bills water and sewer for this address. Source: WSSC Water service area
- Permits in Olney
- WSSC Water issues the plumbing and gasfitting permit and performs the inspection. Mallick pulls the permit as part of the job. Source: WSSC Water — permits and inspections guidance
Need a plumber in Olney today?
24/7 emergency dispatch · Licensed & insured · Warranties in writing
What We Do Here
Our Services In Olney, MD
Drain & Sewer
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Drain Cleaning
Drain cleaning.
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Sewer Lines
Sewer line repair and sewer main replacement.
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Hydro Jetting
Hydro jetting.
Water Heaters
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Tank
Repair, replacement and installation for gas, electric and high-efficiency tank water heaters.
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Tankless
Tankless water heater installation, repair, replacement and maintenance.
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Heat Pump (Hybrid)
Heat-pump and hybrid water-heater installation, replacement, repair and maintenance.
Water Quality
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Water Softeners
Water softener installation, repair and servicing.
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Filtration Systems
Whole-house water filtration systems.
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Water Testing
In-home water analysis for well and municipal water.
Commercial Plumbing
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Commercial Water Heaters
Commercial water heater installation, repair, maintenance and replacement.
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Drain Cleaning
Commercial drain cleaning.
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Backflow Prevention
Commercial backflow prevention.
From The Dispatch Log
What We Get Called For In Olney
Recurring Drain Problems
A drain that clogs every few months is a diagnosis waiting to happen. Camera first, cause found, fixed once.
Drain cleaning in OlneyValve And Fixture Replacements
Original valves and fixtures from the 70s and 80s fail quietly until they fail badly. We replace them before they choose the timing.
Full-service plumbingWater Heater Renewals
Second- and third-generation replacements done right: sized to the house, set to code, permit included.
Water heater replacementWhy Here
Why Olney Homeowners Call Mallick
Minutes Away
Olney is about 7 miles from our Gaithersburg office, and emergency dispatch runs 24 hours a day, every day.
'70s–'80s Specialists
Fifth-decade systems: second-round water heaters, tired valves and drains due real attention. We diagnose causes, not symptoms.
Permits Handled
WSSC Water issues the plumbing and gasfitting permit and performs the inspection. Mallick pulls the permit as part of the job.
Warrantied In Writing
One year on installations, 30 days on repairs — in writing, backed by the same crew that did the work.
“Eric and Nick did a wonderful job.”
Very thorough and provided detailed explanation of what was needed to get our garbage disposal up and running.
4.9
from 2,979
Google reviews
Dispatch Desk
Schedule Service In Olney
Send the form and the office calls you back to book a time — or call now and a real person answers, day or night. Emergency work in Olney carries the same warranties as booked work.
- years in Maryland
- 30+ years in Maryland
- licensed & insured
- WSSC licensed & insured
- emergency dispatch
- 24/7 emergency dispatch
Schedule Service in Olney
Tell us what you need — we’ll be in touch fast.
Questions
Plumbing Questions From Olney
Do you serve Olney?
Yes — Olney is well inside the dispatch area, and emergency calls run 24/7.
Who issues plumbing permits in Olney?
WSSC Water issues the permit and performs the inspection for Olney addresses. We pull it as part of the job.
Our neighborhood went up in the 80s — what should we be watching for?
Much of Olney was built in the 1970s and 80s, and systems from that era are now on their second or third water heater while the original drain lines keep aging. When something recurring keeps happening — a drain that clogs every few months, pressure that wanders — that's a system telling you something, and we diagnose it rather than re-treating the symptom.
24/7 emergency service in Olney, MD
Someone answers, day or night.
Licensed and insured in Montgomery County · Maryland license MD 19572