When to Call a Professional for Foundation Cracks in Apartment Buildings

Foundation cracks in apartment buildings are common and can trigger instant panic. But the real challenge isn’t whether cracks exist; it’s knowing which ones are harmless and which needs immediate professional attention.

Not every crack is a sign of disaster. Some appear as buildings age and settle over time, but the important thing is early inspection. When issues are identified, they’re easier to manage, tenant safety risks are reduced, and the property’s value stays protected.

Here’s when to call an expert foundation repair team.

TL;DR: Small hairline cracks under 1/8 inch might be normal settling, but call a foundation repair expert immediately if cracks are wider than 1/4 inch, run horizontally, form stair-step patterns in brick, or if doors won’t close and water seeps in. In Greater Boston’s older apartment buildings, early detection saves money and prevents serious structural damage.

Warning Signs That Need Foundation Repair Now

Hairline cracks less than 1/8 inch wide are usually just cosmetic. They happen when concrete cures or buildings settle slightly over time. In many cases, they don't indicate any structural damage, though hiring a professional for foundation cracks checking must be a good choice.

Horizontal cracks are especially dangerous. They show that soil exerts a significant force on the foundation walls. This pressure bows walls inward or causes them to collapse. Horizontal cracks are more cause for concern than vertical ones because the wall bends from external pressure.

Other Red Flags Beyond the Cracks

Foundation problems don’t just show up as visible cracks. Doors and windows that suddenly stick or won’t close properly are warning signs. When foundations shift, they misalign the door frames.

Water in basements after rain is a clear problem because cracks in the foundation allow moisture inside, which further damages the structure and creates mold that affects tenant health.

Why DIY Isn’t the Solution for Foundation Cracks

Filling cracks with sealant isn’t a quick fix. It hides the problem temporarily, but it doesn’t solve the exact issue. The crack returns and worsens.

Foundation repair in Boston requires proper knowledge and equipment. Professionals determine how the crack formed, whether tree roots push against the wall, or whether soil drainage moves water into the building. 

Apartment buildings add extra complexity. The weight of multiple units stresses foundations more than single-family homes. That’s why old buildings in Greater Boston need masonry experts who understand construction methods and materials. Understand how JMS professionals work around tenant buildings. 

The Cost of Waiting

Small foundation problems can become expensive quickly. A minor crack fix starting at $500 turns into a $15,000 repair if not treated. Severe foundation failure requires underpinning, costing $10,000.

In addition, foundation issues affect property value and make apartment rentals difficult. Tenants won’t live in buildings with visible structural problems. Safety concerns also mount when cracks go unaddressed.

Why Contact a Professional Foundation Repair

A professional mason inspects the whole building, not only the visible cracks. Here’s what experts do:

• Check for poor drainage, soil expansion, frost heave, or structural overload issues. 

• Measure crack width and find the causes of wall bowing.

• Explain what’s causing the damage and recommend the fix. 

Professional foundation repair also comes with warranties. If the problem returns, there’s protection in place.

Schedule Inspection Early

Foundation cracks rarely fix themselves. Most get worse over time, especially in New England’s harsh climate. If warning signs appear in an apartment building, contacting a foundation repair specialist for an inspection is the best choice. Early action protects the investment and keeps tenants safe.

Contact JMS Masonry to schedule a foundation inspection and address concerns before they become major problems.