The Small Maintenance Problem That Cost One Investor $4,200

Baltimore, Maryland
Managing Your Property
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The Small Maintenance Problem That Cost One Investor $4,200

Amanda Riggs
Property Manager · Baltimore, MD · Member since 2026 · 37 posts · 30 votes

A few years ago, I learned an expensive lesson about deferred maintenance.

A property had a minor plumbing leak that seemed insignificant. The tenant reported it, but the repair was delayed because it wasn't considered urgent.

Three months later:

  • Water damage behind the wall
  • Mold remediation
  • Drywall replacement
  • Temporary tenant relocation

Total cost: over $4,200.

What started as a $150 repair became a major expense.

One thing I've noticed managing rentals is that owners often focus on the large capital expenses while underestimating the cumulative impact of small maintenance issues.

Today we track maintenance requests based on potential risk, not just current severity.

A small leak can become a large insurance claim.

A loose handrail can become a liability issue.

A clogged gutter can become a roof problem.

I'm curious:

What's the most expensive "small problem" you've seen turn into a major repair?

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JD MartinBusiness Member
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Rock Star Extraordinaire · Northeast, TN · Member since 2015 · 10k+ posts · 16k+ votes
2mo
Quote from @Bruce Woodruff:

In the construction industry, you learn quickly that 'water is the enemy'...I used to tell my crew when they were framing/siding/installing window/etc, to 'think like a raindrop' lol......

The worst thing I experienced on a rental of mine was a small drip on a sewer line turning into a swamp of sewage underneath the house (raised foundation).


 Worst thing I've seen was on a 4-plex (not mine thank god). The main sewer lateral leaving the building apparently developed a clog that either the tenants reported and the landlord didn't get to, or the tenants didn't report it fast enough. Either way, one of the tenants went down into the basement and used a hammer to bust a massive hole in the cast iron waste line so all of the sewage drained straight into the basement. Eventually the basement filled up far enough with sewage that the liquid began seeping out around the hopper windows and filling the yard with putrid black water, which is when the neighbors started calling in about a terrible odor, water in the alley and a nasty smell. The basement had been turned into a virtual cess pit. 

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  • Bruce WoodruffPro Member
    Contractor/Investor/Consultant · San Diego / Phoenix · Member since 2021 · 12k+ posts · 15k+ votes
    2mo

    In the construction industry, you learn quickly that 'water is the enemy'...I used to tell my crew when they were framing/siding/installing window/etc, to 'think like a raindrop' lol......

    The worst thing I experienced on a rental of mine was a small drip on a sewer line turning into a swamp of sewage underneath the house (raised foundation).

    3Reply
    • JD MartinBusiness Member
      Moderator
      Rock Star Extraordinaire · Northeast, TN · Member since 2015 · 10k+ posts · 16k+ votes
      2mo
      Quote from @Bruce Woodruff:

      In the construction industry, you learn quickly that 'water is the enemy'...I used to tell my crew when they were framing/siding/installing window/etc, to 'think like a raindrop' lol......

      The worst thing I experienced on a rental of mine was a small drip on a sewer line turning into a swamp of sewage underneath the house (raised foundation).


       Worst thing I've seen was on a 4-plex (not mine thank god). The main sewer lateral leaving the building apparently developed a clog that either the tenants reported and the landlord didn't get to, or the tenants didn't report it fast enough. Either way, one of the tenants went down into the basement and used a hammer to bust a massive hole in the cast iron waste line so all of the sewage drained straight into the basement. Eventually the basement filled up far enough with sewage that the liquid began seeping out around the hopper windows and filling the yard with putrid black water, which is when the neighbors started calling in about a terrible odor, water in the alley and a nasty smell. The basement had been turned into a virtual cess pit. 

      Podcast Guest on Show #243
      Skyline Properties
      View Page
      3Reply
    • Bruce WoodruffPro Member
      Contractor/Investor/Consultant · San Diego / Phoenix · Member since 2021 · 12k+ posts · 15k+ votes
      2mo
      Quote from @JD Martin:
      Quote from @Bruce Woodruff:

      In the construction industry, you learn quickly that 'water is the enemy'...I used to tell my crew when they were framing/siding/installing window/etc, to 'think like a raindrop' lol......

      The worst thing I experienced on a rental of mine was a small drip on a sewer line turning into a swamp of sewage underneath the house (raised foundation).


       Worst thing I've seen was on a 4-plex (not mine thank god). The main sewer lateral leaving the building apparently developed a clog that either the tenants reported and the landlord didn't get to, or the tenants didn't report it fast enough. Either way, one of the tenants went down into the basement and used a hammer to bust a massive hole in the cast iron waste line so all of the sewage drained straight into the basement. Eventually the basement filled up far enough with sewage that the liquid began seeping out around the hopper windows and filling the yard with putrid black water, which is when the neighbors started calling in about a terrible odor, water in the alley and a nasty smell. The basement had been turned into a virtual cess pit. 


       OMG.....

      1Reply
  • Drew SygitBusiness Member
    Property Manager · Royal Oak, MI · Member since 2012 · 12k+ posts · 9k+ votes
    2mo

    Blood or Flood are industry standards, but nice story about watre issues.

    [email protected]248-209-6824
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    0Reply
  • Jim Johnson
    Real Estate Agent · Memphis · Member since 2026 · 538 posts · 311 votes
    2mo

    This is why I've started looking at maintenance requests through a risk lens rather than a cost lens. 

    Some of the most expensive issues I've seen started as:

    • Small plumbing leaks
    • Clogged gutters
    • Minor roof issues
    • Running toilets
    • HVAC performance complaints

    None of them seemed urgent at first, but they had the potential to cause additional damage if left unresolved.

    One thing I've learned is that tenants usually report a problem when it becomes noticeable to them—not when it first started. By the time a leak, odor or stain is visible, the underlying issue may have been developing for weeks or months. 

    The challenge isn't deciding whether a $150 repair is worth doing. It's understanding what happens if that $150 repair isn't done. That's where the real cost often shows up. 

    0Reply
  • Patrick O'SullivanBusiness Member
    Property Manager · Phoenix, AZ · Member since 2024 · 521 posts · 193 votes
    2mo

    Water is definitely the one that gets people. I've seen what looked like a small toilet leak end up damaging the subfloor because it went unnoticed for too long. By the time the tenant mentioned the floor felt soft, it turned into replacing flooring, repairing the subfloor, and installing a new toilet. A relatively inexpensive repair became a much bigger project.

    I also think clogged gutters are one of the most overlooked maintenance items. They seem easy to put off, but overflowing water can damage fascia boards, siding, foundations, and even lead to leaks inside the house.

    I've found it helps to think about maintenance based on what could happen if nothing is done for another month or two, not just how serious it looks today. That mindset has prevented a lot of expensive surprises.

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  • Giuseppe Cavucci
    online · Member since 2026 · 99 posts · 44 votes
    1mo

    That $150 to $4,200 jump is such a good example of how deferred maintenance actually compounds instead of just sitting still.

    The pattern I've run into personally is a bit different but related: it's not the reported leak that gets missed, it's the stuff nobody reports because there's no obvious symptom yet. Water heater that's 11 years old and still "working fine." Roof that's original to the house and just quietly aging out. Nothing forces you to look at those until they fail, and by then you're in the same boat as your $4,200 leak, except it started as a $0 problem instead of a $150 one.

    I ended up tracking install dates and expected lifespan for the big systems just so I'd have some signal before things got urgent, instead of finding out the hard way.

    Curious how you weigh risk on stuff that has no visible symptom yet versus stuff that's already showing signs, since those seem like two very different tracking problems.

    0Reply
  • Neal Chou
    Member since 2026 · 7 posts · 1 vote
    1mo

    Thats not all, negligence will eventually lead to possible law suits and city complaints. 

    0Reply
  • Sharaline Joseph
    Property Manager · Birmingham, MI · Member since 2024 · 15 posts · 3 votes
    1mo

    A small crack in the foundation was ignored for years. Water intrusion and soil movement eventually required structural repairs costing more than $30,000.

    1Reply
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