Basement wetness is a chronic and under-addressed problem in Pittsburgh, particularly in older urban neighborhoods, and the impacts are most acute in predominantly Black, low-income areas. This report presents findings from a study conducted to document the prevalence of and experiences with basement wetness and the barriers residents face in addressing it. The authors then offer practical, accessible solutions.

Living with Wet Basements

Experiences, Barriers, and Solutions in Pittsburgh, Pennsylvania

Linnea Warren May, Pierrce Holmes, Robin L. Beckman, Jemima E. Ohwobete, Daniel J. Bain, Sarah-Jane Haig, Adaeze Ibeanu, La'Vette Wagner, Michelle Hunter, Alyssa Lyon, et al.

ResearchPublished Jul 20, 2026

Cover: Living with Wet Basements
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Basement wetness is a chronic and under-addressed problem in Pittsburgh, particularly in older urban neighborhoods, where aging housing stock and stormwater management infrastructure, topography, and increasingly intense rainfall combine to create conditions that affect a large share of residents. Yet the issue receives limited systematic attention from the institutions responsible for housing, public health, and climate resilience. This report draws primarily on findings from the Health and High Water study, a community-engaged research project conducted between 2022 and 2025 in two predominantly Black, low-income Pittsburgh neighborhoods—Homewood and the Hill District—that documented the prevalence of and specific experiences with basement wetness, its consequences for health and well-being, and the barriers residents face in addressing it. The authors translate those findings into practical, accessible information and guidance, consolidating research on perceptions of and experiences with basement wetness, the household-level interventions available, and the programs and policies that exist to support residents and identifying where significant gaps remain. This report is intended for a broad audience that includes residents and community members dealing with basement wetness directly; community organizations and practitioners working on housing, environmental health, and flood resilience in Pittsburgh and similar cities; and funders and policymakers with the capacity to develop or expand the programs and resources this work shows are most needed.

Key Takeaways

  • Basement wetness is widespread but widely normalized. Three-quarters of surveyed residents had experienced basement water issues, yet most did not report them and did not expect future flooding.
  • It typically takes more than experience or concern to prompt preparation; it takes tangible harm. Neither experiencing basement wetness nor worrying about it was associated with residents taking most preparatory steps. What was associated with action was whether wetness had caused concrete impacts: property damage, persistent mold, or musty smells.
  • Perceived risk motivates awareness but not structural action. Residents who expected future flooding were more likely to check forecasts and seek information but were no more likely than other residents to install sump pumps or backwater check valves or to make structural modifications.
  • Living through basement wetness does not build understanding of its causes. Among both residents with repeated experience with wetness and those without, nearly half of residents rated their knowledge of flooding causes as very limited.
  • Institutional priorities are poorly matched to residents’ most pressing concerns. Community leaders typically focus on green stormwater infrastructure and large-scale flood events, while residents are concerned about more-routine basement wetness and sewage intrusion.
  • Effective household interventions for basement wetness exist, but most are costly and require significant technical know-how to implement.
  • Pittsburgh lacks direct household-level flood mitigation assistance, but other cities offer models: Programs in Bridgeville, Pennsylvania; Detroit; Milwaukee; San Francisco; and New York demonstrate that utilities and local governments can deliver this kind of support.

Recommendations

For Residents and Property Owners

  • Report basement wetness and drainage problems to the water utility or 311.
  • Start with lower-cost protective measures matched to the specific situation.
  • If resources allow, prioritize structural interventions that address the source of water entry.
  • Use a dehumidifier year-round as a baseline moisture management tool.
  • After a basement gets wet, act quickly to limit health consequences.
  • For renters experiencing basement wetness, document the problem and report it to the landlord in writing.

For Community Organizations and Nonprofits

  • Reframe basement wetness as a systemic problem.
  • Translate technical stormwater management language into lay-friendly guidance.
  • Develop plain-language resources to help residents understand what insurance covers.
  • Target outreach and hands-on support to the period immediately following flooding events or heavy rain.

For Local Funders and Policymakers

  • Restore and expand the reach of existing healthy homes programs and flood mitigation programs.
  • Create direct financial and technical assistance programs for income-qualifying households for property-level flood mitigation.
  • Design all assistance programs to reach renters and small landlords, not just owner-occupants.
  • Fund accessible, community-delivered communications that clarify reporting pathways for basement wetness and drainage problems.
  • Integrate basement wetness into local climate resilience, housing, and public health planning.

For State Policymakers

  • Expand eligibility in existing state home repair and assistance programs and reinstate defunct programs.
  • Address cost-share requirements in state resilience grant programs that are barriers to low-income communities accessing funding.
  • Establish minimum standards for mold assessment and remediation.
  • Integrate residential moisture into climate resilience, housing, and public health policy frameworks.

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Citation

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Warren May, Linnea, Pierrce Holmes, Robin L. Beckman, Jemima E. Ohwobete, Daniel J. Bain, Sarah-Jane Haig, Adaeze Ibeanu, La'Vette Wagner, Michelle Hunter, Alyssa Lyon, Walter Lewis, and Tamara Dubowitz, Living with Wet Basements: Experiences, Barriers, and Solutions in Pittsburgh, Pennsylvania. Santa Monica, CA: RAND Corporation, 2026. https://www.rand.org/pubs/research_reports/RRA4418-1.html.
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This work was conducted in the Infrastructure and Justice Program of RAND Education, Employment, and Infrastructure.

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Version Note

This publication supersedes a previous version published in 2025 (WR-A386-1).