{"id":1316,"date":"2026-05-21T07:27:51","date_gmt":"2026-05-21T11:27:51","guid":{"rendered":"https:\/\/www.greenhomesolutions.com\/golden-co\/?p=1316"},"modified":"2026-05-21T07:32:16","modified_gmt":"2026-05-21T11:32:16","slug":"why-basements-and-crawl-spaces-start-smelling-musty-in-late-spring-and-summer","status":"publish","type":"post","link":"https:\/\/www.greenhomesolutions.com\/golden-co\/why-basements-and-crawl-spaces-start-smelling-musty-in-late-spring-and-summer\/","title":{"rendered":"Why Basements and Crawl Spaces Start Smelling Musty in Late Spring and Summer"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.16&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; custom_padding=&#8221;|||&#8221; global_colors_info=&#8221;{}&#8221; custom_padding__hover=&#8221;|||&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; background_size=&#8221;initial&#8221; background_position=&#8221;top_left&#8221; background_repeat=&#8221;repeat&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]Many homeowners in Golden notice a musty basement or crawl space smell appearing in late spring and summer \u2014 even if the basement or crawl space seemed fine during winter.<\/p>\n<p>In Colorado, seasonal snowmelt, spring storms, and humidity when it rains often create excess moisture around foundations and inside basements and crawl spaces. Even small amounts of hidden moisture can lead to musty odors and indoor air quality concerns.<\/p>\n<h2>Common Causes of Musty Basement Odors<\/h2>\n<p><strong>Post-Rain Humidity<\/strong><\/p>\n<p>Warm summer air after a rain meeting cool basement surfaces can create condensation on:<\/p>\n<ul>\n<li>Concrete walls<\/li>\n<li>Pipes<\/li>\n<li>Windows<\/li>\n<li>Flooring<\/li>\n<\/ul>\n<p>Over time, trapped moisture can lead to mold growth.<\/p>\n<h3>Minor Water Intrusion<\/h3>\n<p>Golden homes commonly experience:<\/p>\n<ul>\n<li>Small foundation leaks<\/li>\n<li>Window well seepage, especially those not covered<\/li>\n<li>Poor exterior drainage<\/li>\n<li>Damp concrete walls<\/li>\n<\/ul>\n<p>Many homeowners smell the issue before they ever see visible water.<\/p>\n<h3>Hidden Mold Growth<\/h3>\n<p>Musty odors are often caused by microbial growth behind:<\/p>\n<ul>\n<li>Finished basement walls<\/li>\n<li>Flooring<\/li>\n<li>Storage areas<\/li>\n<li>Bathroom surrounds<\/li>\n<li>The underneath of flooring inside of the crawl space<\/li>\n<\/ul>\n<h3>Signs You Shouldn\u2019t Ignore<\/h3>\n<p><strong>Watch for:<\/strong><\/p>\n<ul>\n<li>Persistent damp or earthy smells (\u201cMusty\u201d = Mold!)<\/li>\n<li>Increased odor after rain<\/li>\n<li>White residue on concrete walls (Efflorescence)<\/li>\n<li>Damp carpet edges or stained trim<\/li>\n<li>Elevated indoor humidity \u2013 A sign that water is saturating the foundation<\/li>\n<\/ul>\n<h3>What You Can Do<\/h3>\n<ul>\n<li>Keep gutters and downspouts clear and run at least 6 feet away from the foundation<\/li>\n<li>Make sure water flows away from the home<\/li>\n<li>Address small leaks early, mold begins to grow within 48 hours<\/li>\n<li>Walk the perimeter of your home during the first major rain and make sure water is not pooling next to the foundation and gutters are flowing freely<\/li>\n<\/ul>\n<h3>When to Schedule an Inspection<\/h3>\n<p>If the odor continues despite cleaning or ventilation, it may be time for a professional to complete a moisture or mold inspection.<\/p>\n<p>At Green Home Solutions of Golden, CO, we help homeowners identify hidden moisture problems, mold concerns, and indoor air quality issues before they become larger and more expensive repairs.<\/p>\n<p>A musty smell is often an early warning sign \u2014 and catching the source early can make a big difference. Dirt smells musty because that is where mold lives, don\u2019t ignore the odor.[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Many homeowners in Golden notice a musty basement or crawl space smell appearing in late spring and summer \u2014 even if the basement or crawl space seemed fine during winter. In Colorado, seasonal snowmelt, spring storms, and humidity when it rains often create excess moisture around foundations and inside basements and crawl spaces. Even small [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":1322,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"<!-- wp:paragraph -->\n<p>After water damage occurs in your home, most of your attention goes toward removing water and drying what you can see. Once that is done, however, it can be difficult to know whether the situation is fully resolved or if something may still be developing within your home.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>Moisture can remain within materials even after surfaces appear dry, which is where additional problems can begin. To ensure you don\u2019t miss other issues, such as mold growth, there are some steps that should be taken after a water event has occurred.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Start With a Clear Look at the Affected Areas<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Take time to review where water was present and how far it may have reached. This includes not only visible surfaces, but also nearby materials like walls, flooring, and cabinetry that may have absorbed moisture.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Consider Where Moisture May Still Be Present<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Water can move into areas that are not easy to access or inspect. Spaces behind walls, beneath flooring, and around fixtures can hold moisture even after cleanup appears complete.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Recognize When Mold May Be Developing<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>If moisture remains within materials, mold can begin forming in those areas. This often happens in enclosed spaces where airflow is limited and drying is less effective.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Use Mold Testing When You Need a Clear Answer<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>If you have any uncertainty about whether mold has developed in your home, testing can help confirm its presence and provide a better understanding of how much of your property may be affected.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Address Mold Before It Continues to Spread<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Once mold is present in your home, it needs to be removed and the source of moisture must be corrected. Mold remediation in Golden, CO, focuses on eliminating mold from affected materials and addressing the conditions that allowed it to develop.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:heading -->\n<h2 class=\"wp-block-heading\">Resolve the Problem at Its Source<\/h2>\n<!-- \/wp:heading -->\n\n<!-- wp:paragraph -->\n<p>Green Home Solutions helps homeowners address mold concerns following water damage. With <a href=\"https:\/\/www.greenhomesolutions.com\/golden-co\/our-services\/mold-remediation-and-removal\/\">mold remediation in Golden, CO<\/a>, we not only remove mold but also help prevent it from returning by addressing the underlying moisture.<\/p>\n<!-- \/wp:paragraph -->\n\n<!-- wp:paragraph -->\n<p>If water intrusion has occurred in your home, contact Green Home Solutions to schedule mold treatment services and restore your property.<\/p>\n<!-- \/wp:paragraph -->","_et_gb_content_width":"","footnotes":""},"categories":[23],"tags":[],"class_list":["post-1316","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mold"],"featured_image_src":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-content\/uploads\/sites\/274\/2026\/05\/Footer-Photos-600x400.jpg","featured_image_src_square":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-content\/uploads\/sites\/274\/2026\/05\/Footer-Photos-600x600.jpg","author_info":{"display_name":"sshafique","author_link":"https:\/\/www.greenhomesolutions.com\/golden-co\/author\/sshafique\/"},"_links":{"self":[{"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/posts\/1316","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/comments?post=1316"}],"version-history":[{"count":2,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/posts\/1316\/revisions"}],"predecessor-version":[{"id":1328,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/posts\/1316\/revisions\/1328"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/media\/1322"}],"wp:attachment":[{"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/media?parent=1316"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/categories?post=1316"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.greenhomesolutions.com\/golden-co\/wp-json\/wp\/v2\/tags?post=1316"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}