Imagine a landlord walking a century-old rowhome block in South Philadelphia after a rough winter. The tenants are happy and the rent is on time, but one chimney has a faint lean and a few mortar joints crumble when brushed. Nothing looks urgent, which is exactly the trap. Brick is famously durable, so it often gets ignored until a small problem becomes an expensive one. If you own or manage older rentals, a bit of regular attention can protect both your building and your budget.
Here is a friendly guide to what changes with age, what to look for, and how to build a simple routine. This is general information, not engineering or legal advice.
Older Buildings Make Up a Big Share of the Market
Age matters more in some cities than others. According to the U.S. Census Bureau's American Community Survey, as summarized in a regional housing profile from the Delaware Valley Regional Planning Commission, just over 40 percent of Philadelphia homes were built before 1940, compared with about 22 percent across the wider region.
That figure describes all housing, not only rentals or brick buildings, so it is context rather than a count of properties needing repair. Still, it suggests that many landlords here are managing structures that have seen decades of weather, and that makes routine checks worth considering.
What Time Does to Brick
Brick itself can last a very long time. The more vulnerable part is often the mortar between the bricks, which is designed to be the softer, sacrificial layer. Over the years, water gets in, freezes and expands, and wind and rain slowly wear joints away. Older walls may also have been repaired with materials that don't match the original, which can create new stress points.
Add in settling, vibration from nearby traffic, and years of deferred maintenance, and an older façade has more ways to develop problems than a newer one. The trouble is that these changes are gradual, so they are easy to miss during a quick glance.
Warning Signs Worth Noting
You don't need to be a mason to spot early clues. During a walk-around, look for:
- Mortar that is cracked, sandy or missing between bricks
- Bricks that are loose, chipped or flaking on the surface
- White powdery deposits, which can indicate moisture moving through the wall
- Cracks that run diagonally or widen over time
- Damp patches, staining or peeling paint on interior walls near exterior brick
- Chimneys that lean, or crowns and caps that look cracked
Any one of these may be minor, but several together deserve a closer look. A good habit is to take dated photos so you can compare conditions from one season to the next.
How Often Should You Look?
There is no single schedule that fits every building, but older properties generally call for more frequent checks than newer ones. A common approach is a simple annual walk-around of all exterior walls, chimneys and steps, plus an extra look after severe storms or a hard freeze-thaw winter. Buildings with known repairs, visible movement or past water problems may merit more attention.
Keep a short log with the date, what you saw and what you did about it. That record helps you spot trends, plan budgets and show good-faith maintenance if questions ever arise.
When to Call a Professional
A landlord's walk-around is a screening step, not a diagnosis. If you notice signs of movement, wide cracks, loose chimney sections, or repeated water entry, a qualified inspector or mason can help determine what's cosmetic and what may be structural. Property owners often wonder what an assessment involves. Typically, a professional examines the walls, checks suspect areas, and recommends repairs in order of priority.
When comparing local options for brickwork in Philadelphia, property owners can consider Disciple Masonry and ask for a written scope explaining what needs to be repaired and why. Getting a second opinion on larger jobs is reasonable, as is asking about materials. Mortar that's too hard for older brick, for example, can cause additional damage rather than protect the masonry.
Keeping Tenants in the Loop
Maintenance runs more smoothly when residents know what to expect. Let tenants know when scaffolding, noise or limited access to an entrance is likely, give reasonable notice and invite them to report anything unusual, such as falling brick, new cracks or damp walls. Tenants see the building daily, so they often notice changes before anyone else does. A friendly, open line of communication turns them into an early warning system and usually reduces frustration during repair work.
What Common Repairs Involve
Different masonry problems call for different fixes. Common repair services include:
- Repointing mortar joints: Replacing deteriorated mortar to help maintain the stability of brickwork.
- Chimney repairs: Addressing damaged bricks, mortar joints, and other signs of wear.
- Brick steps and walkways: Repairing loose bricks, cracked surfaces, and uneven sections to improve safety.
- Lintel evaluation: Checking the structural supports above doors and windows for signs of damage or deterioration.
When comparing quotes, understanding the type of repair needed can help you ask better questions and evaluate the proposed work. Before hiring any contractor, verify their credentials, insurance, and references.
Planning the Budget
Setting aside a small maintenance reserve each year makes brickwork repairs far less stressful. Rank issues by urgency, handle safety concerns such as loose chimney sections first and schedule cosmetic work for milder months, since mortar generally cures better outside of freezing weather. Spreading repairs across several seasons can also keep costs predictable, and a short written plan helps you explain priorities to partners, lenders or property owners without scrambling for details.
Conclusion
Older rental buildings reward owners who pay steady attention. Mortar wears down, water finds its way in and small gaps can grow quietly for years, but regular walk-arounds, simple records and timely professional advice keep most issues manageable. Set an inspection rhythm that fits each property, act on early signs rather than waiting for visible damage and treat brick as the long-term asset it is. A little care each year is almost always easier on a budget than a large repair after the fact, and it helps keep your tenants safe and comfortable.
