CHIMNEY REPAIR
THOROUGH CHIMNEY
REPAIR SERVICES FOR MERCER COUNTY RESIDENTS
Your chimney endures extreme temperature swings, moisture penetration, and decades of structural stress. When mortar joints crack, bricks deteriorate, or structural components begin to fail, professional chimney repair is essential to restoring the structure’s integrity. Our CSIA-certified technicians handle everything from tuckpointing and brick replacement to damper repair, smoke chamber repair, relining, and full chimney rebuilds for homeowners across Hamilton Township, Ewing, Plainsboro, Bordentown, Princeton, and nearby towns.
chimney repair warning signs
How do I know if my chimney needs repair?

Chimney damage doesn’t always start with something dramatic or obvious. Most structural issues develop gradually, often hidden from view until the damage has spread to surrounding materials. Catching warning signs early gives you the chance to address chimney repairs before they become more extensive – and more expensive. If you notice any of the following, it’s worth scheduling a professional evaluation.
Common signs your chimney needs attention:
chimney REPAIR urgency
Are all chimney repairs urgent or can some wait?
Not every chimney repair requires an emergency response, but that doesn’t mean any repair should be put off indefinitely. Issues like structural shifting, active water intrusion, or damaged flue liners present immediate risks and should be addressed right away. Other concerns, like minor mortar erosion or cosmetic brick damage, may allow for planned scheduling. The key is having a professional assess the severity so you can prioritize appropriately.

OUR chimney REPAIR SERVICES
HOW WE REPAIR YOUR CHIMNEY
Our chimney technicians are certified, licensed, and experienced with every type of chimney repair – from relining projects to full structural rebuilds. We assess the full scope before we touch anything, so you get an honest diagnosis and a repair that lasts.
Damper Repair & Replacement
A damaged or seized damper affects draft, energy efficiency, and your ability to control airflow. We repair or replace throat and top-mount dampers to restore proper function and give you full control over ventilation – both when your fireplace is in use and when it’s not.
Smoke Chamber Repair
The smoke chamber funnels combustion gases from the firebox into the flue. Cracked or deteriorated walls in this area can allow heat and gases to reach surrounding materials. We parge and repair damaged smoke chambers to restore a smooth, properly sealed transition point.
Chimney relining
A cracked or deteriorated flue liner compromises the entire venting system. We install stainless steel and aluminum liners to ensure a code-compliant, properly-sized flue that contains heat and combustion gases – better protecting the chimney structure from the inside out.
Chimney Rebuild
When deterioration is extensive, a partial or full chimney rebuild may be the right call. Our team handles full above-roofline rebuilds that are properly flashed, properly crowned, and built to last.
COMMON QUESTIONS
Chimney REPAIR FAQS
Is it safe to use my fireplace if my chimney needs repair?
Using a fireplace with a known chimney issue is not recommended. Cracked flue liners, damaged mortar joints, and failing dampers can allow heat, smoke, and combustion gases to reach areas they shouldn’t. Have a certified technician evaluate the damage before lighting your next fire. The risk of continued use often outweighs the inconvenience of waiting.
How long does chimney repair take?
The timeline for chimney repair services depends on the scope of work. Minor repairs, like damper replacement or tuckpointing, can often be completed in a single visit. More involved projects – smoke chamber repair, relining, a full chimney rebuild, etc. – may take several days. Our team provides a clear timeline and estimate before any work begins.
How much does chimney repair cost?
Chimney repair costs depend on the type and extent of the damage, the materials involved, and the accessibility of the work area. Minor repairs like mortar joint work or cap replacement are relatively affordable, while full rebuilds or relining projects require a larger investment. Contact Mercer County Chimney Services for a transparent estimate based on your specific situation.
What causes a chimney to need a full rebuild?
Full chimney rebuilds are typically necessary when deterioration has spread across multiple structural components. Common causes include prolonged moisture intrusion, freeze-thaw cycling, chimney fires, foundation settling, and years of deferred maintenance. When mortar joints, bricks, the crown, and the flue liner are all compromised, rebuilding is often more practical than making individual repairs.
Will homeowners insurance pay for a chimney rebuild?
Coverage depends on the cause of the damage and your specific policy. Insurance may cover a chimney rebuild if the damage resulted from a sudden event – like a fire, storm, or lightning strike. Damage from normal wear, neglect, or deferred maintenance is typically excluded. Keeping records of annual inspections and service can support your claim.
How do I avoid chimney repair scams?
Work only with companies that hold CSIA certification, carry valid insurance, and provide written estimates before starting any work. Be cautious of unsolicited door-to-door offers, unusually low pricing, or pressure to commit on the spot. A reputable company will inspect your chimney thoroughly, explain their findings clearly, and let you make an informed decision.
What Our Customers Say
Trusted by Mercer County Homeowners

★★★★★
“Mercer County Chimney Services was a pleasure to work with. I hired them to replace our chimney, the flashing, liner, and to repair possible leaks on the roof. They have prepared an estimate with materials and permit included. Not only were they on time, but stayed within the contracted timeframe. That was a PLUS! I HIGHLY recommend them to anyone who needs their chimney repaired or inspected.”
Delilah H.
★★★★★
“We used Mercer County Chimney Service recently to repair our chimney and was very pleased their business. Each person I interacted with on the phone and in person were very friendly, professional and knowledgeable.”
Danielle W.
★★★★★
“This is one of the best businesses I had the pleasure of working with to fix my grandmother’s chimney. The workers were always on time and actually arrived early each day and the receptionist was the best, she was patient and informative. I would highly recommend them for any chimney service or repair.”
Terence U.
★★★★★
“Great company. Very professional. Scheduling a time and date was easy. I had to have a liner installed in my chimney. They arrived on time and got right to work. I highly recommend them and I will definitely use them again.”
Awilda M.
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We love hearing from our Mercer County neighbors.
From Our Experts
Hearth & Chimney Resources
Adding a Fireplace to Your Home: What to Expect During a Fireplace Installation
What Type of Damper is Best? Pros and Cons of Each Type
Mercer: Reasons Why Your Fireplace May Be Smelly
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Get In Touch
Restore Your Chimney the Right Way
Don’t let structural damage go unaddressed. Contact Mercer County Chimney Services today to schedule your professional chimney repair evaluation.
Call Us Directly
(609) 802-5288
Structural fixes are a core part of our chimney services, but they won’t last long without proper chimney leak repairs to keep the water out.










