Roofing & chimney contractor · Licensed & insured · Free estimates Cliffside Park, NJ Mon – Sat: 9:00 AM – 8:00 PM njassetconstruction@gmail.com

Chimney Repair · Lambertville, Hunterdon County

Chimney Repair in Lambertville, NJ

Lambertville's chimneys are old, brick and often shared.

  • Licensed & insured
  • Free written estimates
  • Mon – Sat: 9:00 AM – 8:00 PM
  • Based in Cliffside Park, NJ

Chimney Repair for Lambertville chimneys

Lambertville's chimneys are old, brick and often shared. Many rise through party walls between rowhouses or twins, serving flues on both sides, and most were laid in soft lime mortar more than a century ago. River humidity keeps the masonry damp, freeze-thaw works on every open joint, and flues that once served coal stoves and fireplaces now vent gas or oil appliances, or nothing at all.

Asset Roofing & Chimney inspects, repoints, rebuilds and relines chimneys throughout Lambertville, on homes and on commercial buildings. We rebuild crowns, install caps, replace flashing, waterproof masonry, clean flues and install stainless-steel liners sized to fireplaces and heating appliances. We are licensed and insured, and estimates are free.

Lambertville housing

Lambertville's housing is predominantly 1800s and early-1900s: brick and frame rowhouses, twins and narrow detached homes on small lots, many with low-slope or flat roofs over rear kitchens and additions. Chimneys are often built into party walls and shared between neighbors. The commercial streets have older buildings with flat roofs behind parapets or cornices. Asphalt shingle, flat membranes and some older metal and slate are all present.

Weather & exposure

The city sits on the Delaware floodplain, with the land rising to the east. Humidity off the river and canal keeps roofs and masonry damp, and freeze-thaw cycling is hard on old brick. Houses packed close together shade one another, and debris collects in the narrow gaps and valleys between buildings. Wind is moderated by the valley and the surrounding hills, but summer storms still bring heavy, fast rain that tests every gutter and drain.

Technician feeding a stainless steel liner into a masonry chimney
Asset crew at work. Photos are from our own jobs across North New Jersey.

Repair, repoint or rebuild in Lambertville

For Lambertville's old brick, the priority is keeping water out: repointing with mortar matched to the brick, rebuilding the crown with a proper overhang, capping every flue, active or not, and applying a breathable water repellent. Where the upper courses are badly spalled, we rebuild from a sound level. On shared chimneys, we explain what the work involves for each side so neighbors can coordinate.

Any flue serving a heating appliance should be inspected and lined to suit its current use. If you want to reopen an old fireplace, have the flue inspected first; many have been unused for decades and need cleaning, repair or a liner before they are safe.

Lambertville Specifics

Chimney problems we see in Lambertville

Party-wall chimneys serving two homes

A chimney in a shared wall may contain flues for both houses. Work on the crown, cap or upper masonry affects both owners, and a problem on one side can show up on the other.

Lime mortar eroded by damp and freeze-thaw

Soft historic mortar washes out of joints, especially on the damp side of the stack. Repointing with a compatible mortar is essential; a hard modern mix can crack and spall the old brick around it.

Unlined flues venting modern appliances

Gas furnaces and water heaters venting into old, oversized clay or unlined flues produce condensation that eats away at mortar from the inside. A properly sized liner protects the chimney.

Unused flues left open

Many old chimneys have flues that are no longer used. Without a cap or proper closure, rain enters and soaks the stack, often staining interior walls far from any active fireplace.

Chimneys through flat roofs

Chimneys on commercial buildings and rear additions rise through flat roofs where water sits against the base. The membrane flashing there is a frequent leak point.

FAQ

Chimney Repair in Lambertville: your questions

My chimney is shared with my neighbor. Who is responsible for repairs?

That depends on your property arrangements, which we cannot advise on. What we can do is inspect the chimney, explain which flues serve which home and what each repair involves, so both owners have clear information to decide how to proceed.

Can I start using my old fireplace again?

Possibly, but have it inspected first. Fireplaces in older Lambertville homes have often been closed for years, and the flue may be cracked, blocked or unlined. We inspect it, clean it and tell you what is needed to use it safely.

Why is there a stain on a wall that has no fireplace?

Old houses often have chimneys and flues hidden in walls, and an uncapped or deteriorated stack lets water run down inside. We inspect the chimney from the roof, find where water enters and cap, repoint or repair it.

What mortar do you use on old brick?

A mortar appropriate for soft historic brick, rather than a hard modern mix that can damage it. We match the color and joint profile as closely as practical so repairs blend with the existing masonry.

Nearby

Chimney Repair near Lambertville

We serve every town in Hunterdon County. Nearby towns with their own chimney repair page are linked.

Special offers

Current deals & promotions

All offers and terms
  • 5% Off

    Senior Discount: 5% Off

    Homeowners 65 and over save 5% on roofing and chimney work. Just mention it when you call or send the form.

    Code SENIOR5 Ongoing
    Get a Free Estimate
    Terms

    Homeowner must be 65 or older. Discount up to $750 per project. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $250 Off

    $250 Off a Chimney Rebuild or Stainless Liner

    Save $250 on a chimney rebuild from the roofline up or a new stainless steel liner installation. Both include a written inspection report with photos.

    Code CHIMNEY250 Ends Dec 31, 2026
    Request Chimney Service
    Terms

    Applies to chimney rebuilds and full liner installations. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • 10% Off

    Veterans, Active Military & First Responders: 10% Off

    Thank you for your service. Veterans, active-duty military, police, firefighters and EMS receive 10% off any roofing or chimney job, repair or replacement.

    Code SERVICE10 Ongoing
    Claim Your Discount
    Terms

    Valid ID or proof of service required. Discount up to $1,500 per project. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $1,000 Off

    $1,000 Off Your First Roof Replacement

    New customers save $1,000 on a complete roof replacement, shingle or flat. Includes tear-off, new underlayment, flashing and a full clean-up, with the price in writing before we start.

    Code NEWROOF1000 Ends Dec 31, 2026
    Get a Replacement Estimate
    Terms

    New customers only. Applies to full roof replacements. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $200 Off

    Storm Damage Special: $200 Off Repairs

    After a nor'easter or wind storm, we document the damage for your insurance claim and take $200 off the repair. Call as soon as you notice missing shingles or a leak.

    Code STORM200 Ends Apr 30, 2027
    Request Storm Damage Repair
    Terms

    Applies to storm-related roof repairs of $1,000 or more. One offer per household. Cannot be combined with other offers. Must be mentioned before the estimate is signed. Valid for new contracts in our North New Jersey service area.

  • $100 Reward

    Refer a Neighbor, Get $100

    Know someone who needs a roof or chimney? When they sign a contract with Asset, you receive $100 and they get a free inspection report with photos.

    Code NEIGHBOR100 Ongoing
    Refer Someone
    Terms

    Reward paid after the referred project is completed and paid in full. Referrer must be named before the estimate. No limit on referrals.

Free Estimates · Licensed & Insured

Ready to schedule chimney repair in Lambertville?

Tell us what you are seeing. We will come out, take a look, explain what we find, and give you a free written estimate. No pressure.

Request Chimney Service (201) 727-3113

Mon – Sat: 9:00 AM – 8:00 PM