{"id":119,"date":"2020-05-21T00:21:36","date_gmt":"2020-05-21T00:21:36","guid":{"rendered":"https:\/\/www.acassessor.org\/?page_id=119"},"modified":"2026-04-27T17:52:22","modified_gmt":"2026-04-27T17:52:22","slug":"decrease-your-assessment","status":"publish","type":"page","link":"https:\/\/www.acassessor.org\/es\/homeowners\/decrease-your-assessment\/","title":{"rendered":"Decrease Your Assessment"},"content":{"rendered":"[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.6&#8243; custom_padding=&#8221;0px||0px||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.6&#8243; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.16&#8243; header_font=&#8221;||||||||&#8221; header_text_color=&#8221;#1a3557&#8243; header_font_size=&#8221;36px&#8221; global_colors_info=&#8221;{}&#8221;]\n<h1 style=\"color: #1a5276 !important; font-size: 2em; font-weight: normal !important; border-bottom: 3px solid #2980b9; padding-bottom: 10px; margin-bottom: 20px;\">Decrease Your Assessment<\/h1>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.6&#8243; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.6&#8243; custom_padding=&#8221;0px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.16&#8243; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.6&#8243; text_font_size=&#8221;16px&#8221; hover_enabled=&#8221;0&#8243; global_colors_info=&#8221;{}&#8221; sticky_enabled=&#8221;0&#8243;]\n<p style=\"font-size: 1.1em; color: #555;\">There are several ways you may be able to lower your property tax bill. The Alameda County Assessor&#8217;s Office can help you understand your options, including exemptions, exclusions from reassessment, decline-in-value reviews, assessment appeals, and disaster relief.<\/p>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Exemptions<\/h2>\n<p>Property tax exemptions reduce the assessed value of your property, which lowers your tax bill. Exemptions must be applied for \u2014 they are not automatically granted.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/exemptions\/\">Homeowners&#8217; Exemption<\/a> \u2014 Up to $7,000 off assessed value for your principal residence (saves approximately $70\u2013$80\/year).<\/li>\n<li><a href=\"https:\/\/www.acassessor.org\/for-veterans\/\">Disabled Veterans&#8217; Exemption<\/a> \u2014 Significant reduction for veterans rated 100% disabled (Basic: $180,671; Low-Income: $271,009).<\/li>\n<li><a href=\"\/homeowners\/decrease-your-assessment\/exemptions\/#other-exemptions\">Other Exemptions<\/a> \u2014 Church, Religious, Welfare, Public-School, College, Cemetery, and more for qualifying organizations and exempt uses.<\/li>\n<\/ul>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Exclusions from Reassessment<\/h2>\n<p>Certain property transfers and changes may be excluded from reassessment, meaning your property tax base will not increase.<\/p>\n<ul>\n<li><a href=\"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/exclusions\/\">Parent-Child Transfers<\/a> \u2014 Transfer of a primary residence between parents and children (Proposition 19 rules apply after February 2021)<\/li>\n<li><a href=\"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/exclusions\/\">Interspousal Transfers<\/a> \u2014 No reassessment on transfers between spouses<\/li>\n<li><a href=\"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/exclusions\/\">Proportional Interest Transfers<\/a> \u2014 Certain partnership and LLC transfers<\/li>\n<li><a href=\"https:\/\/www.acassessor.org\/proposition-19\/\">Proposition 19<\/a> \u2014 Transfer base year value to a replacement home (for homeowners 55+, severely disabled, or disaster victims). Can be done up to three times.<\/li>\n<\/ul>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Decline in Market Value (Proposition 8)<\/h2>\n<p>Under Proposition 8, if the current market value of your property has dropped below its Proposition 13 assessed value, you may request an informal review at no cost. The Assessor will compare your assessed value to current market data and determine if a temporary reduction is warranted. For a detailed explanation of how Propositions 8 and 13 interact, including a year-by-year chart and data table, visit our <a href=\"\/homeowners\/decline-in-market-value\/\">Decline in Market Value<\/a> page.<\/p>\n<h3 style=\"color: #2c3e50;\">How It Works<\/h3>\n<ul>\n<li>An appraiser reviews your property&#8217;s market value and makes a determination<\/li>\n<li>If a reduction is appropriate, a roll change is processed and your tax bill is adjusted<\/li>\n<li>Once enrolled at a reduced (Prop 8) value, your property&#8217;s assessed value will be reviewed each year and may go up or down based on market conditions<\/li>\n<li>When the market value rises above the Prop 13 factored base year value, the Assessor will re-enroll the Prop 13 value<\/li>\n<\/ul>\n<h3 style=\"color: #2c3e50;\">How to Request a Review<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.acassessor.org\/homeowners\/request-for-decline-in-market-value-reassessment\/\">Request a Decline-in-Value Review<\/a> \u2014 Learn how to submit a request and what to expect<\/li>\n<li>Informal reviews are available <strong>July 1 through December 31<\/strong> each year<\/li>\n<li>There is <strong>no fee<\/strong> to request an informal review<\/li>\n<li>For commercial properties, include any relevant income and expense data to help expedite processing<\/li>\n<\/ul>\n<div style=\"background: #fef9e7; border-left: 4px solid #f39c12; padding: 15px 20px; margin: 20px 0; border-radius: 0 4px 4px 0;\"><strong style=\"color: #8a3f00;\">Important:<\/strong> Filing a decline-in-value review does not relieve you of paying your tax bill on time. You must continue to make timely property tax payments to avoid penalties. If a reduction is granted, any overpayment will be refunded.<\/div>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Assessment Appeals<\/h2>\n<p>If you disagree with your assessed value after an informal review, you may file a formal appeal with the Assessment Appeals Board. The Appeals Board is an independent body that reviews evidence from both the property owner and the Assessor&#8217;s Office.<\/p>\n<ul>\n<li><a href=\"\/request-for-decline-in-market-value-reassessment\/\">Request for Decline in Market Value Reassessment<\/a> \u2014 Learn about the formal appeals process, deadlines, and how to file<\/li>\n<li>There is <strong>no fee<\/strong> to file an assessment appeal in Alameda County<\/li>\n<li>Appeals must typically be filed between <strong>July 2 and September 15<\/strong> (November 30 for supplemental assessments)<\/li>\n<li>Both property owner and Assessor present evidence at a hearing before the Appeals Board<\/li>\n<\/ul>\n<div style=\"background: #fef9e7; border-left: 4px solid #f39c12; padding: 15px 20px; margin: 20px 0; border-radius: 0 4px 4px 0;\"><strong style=\"color: #8a3f00;\">Tip:<\/strong> If you have requested an informal review and have not received results by mid-September, consider filing a formal appeal as a safeguard before the deadline passes. You can always withdraw the appeal if the informal review resolves in your favor.<\/div>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Disaster and Calamity Relief<\/h2>\n<p>If your property has been damaged or destroyed by a disaster, fire, flood, or other calamity, you may be eligible for a temporary reduction in assessed value. The reduction applies from the date of damage through completion of repairs or reconstruction.<\/p>\n<ul>\n<li>Property must have sustained damage of <strong>$10,000 or more<\/strong><\/li>\n<li>File a calamity claim within <strong>12 months<\/strong> of the date of damage<\/li>\n<li>Contact our office at <strong>(510) 272-3787<\/strong> for assistance with disaster-related claims<\/li>\n<\/ul>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Recently Purchased Property<\/h2>\n<p>If you recently purchased your property and believe the assessed value does not reflect the purchase price, please note that assessed values are set as of January 1 (the lien date) and may not yet reflect a recent sale. Changes in ownership typically trigger reassessment to the purchase price. Contact our office if you have questions about your new assessment.<\/p>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Beware of Fee-Based Services<\/h2>\n<p>There is <strong>no charge<\/strong> to file for a Homeowners&#8217; Exemption, request a decline-in-value review, or file an Assessment Appeal directly with the Assessor&#8217;s Office. Beware of companies that charge fees for these free services.<\/p>\n<hr \/>\n<h2 style=\"color: #1a5276;\">Contact Us<\/h2>\n<p>Our staff is available to help you understand your options for reducing your property taxes.<\/p>\n<p><strong>Phone:<\/strong> <a href=\"tel:5102723787\">(510) 272-3787<\/a> | <strong>Email:<\/strong> <a href=\"mailto:AssessorWebResponse@acgov.org\">AssessorWebResponse@acgov.org<\/a><\/p>\n<p><strong>Office:<\/strong> 1221 Oak Street, Room 145, Oakland, CA 94612<\/p>\n[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]\n","protected":false},"excerpt":{"rendered":"<p>Decrease Your Assessment There are several ways you may be able to lower your property tax bill. The Alameda County Assessor&#8217;s Office can help you understand your options, including exemptions, exclusions from reassessment, decline-in-value reviews, assessment appeals, and disaster relief. Exemptions Property tax exemptions reduce the assessed value of your property, which lowers your tax [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":15,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"class_list":["post-119","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Decrease Your Assessment - Alameda County Assessor<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.acassessor.org\/es\/homeowners\/decrease-your-assessment\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Decrease Your Assessment - Alameda County Assessor\" \/>\n<meta property=\"og:description\" content=\"Decrease Your Assessment There are several ways you may be able to lower your property tax bill. The Alameda County Assessor&#039;s Office can help you understand your options, including exemptions, exclusions from reassessment, decline-in-value reviews, assessment appeals, and disaster relief. Exemptions Property tax exemptions reduce the assessed value of your property, which lowers your tax [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.acassessor.org\/es\/homeowners\/decrease-your-assessment\/\" \/>\n<meta property=\"og:site_name\" content=\"Alameda County Assessor\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-27T17:52:22+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/decrease-your-assessment\\\/\",\"url\":\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/decrease-your-assessment\\\/\",\"name\":\"Decrease Your Assessment - Alameda County Assessor\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.acassessor.org\\\/#website\"},\"datePublished\":\"2020-05-21T00:21:36+00:00\",\"dateModified\":\"2026-04-27T17:52:22+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/decrease-your-assessment\\\/#breadcrumb\"},\"inLanguage\":\"es\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/decrease-your-assessment\\\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/decrease-your-assessment\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.acassessor.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Homeowners\",\"item\":\"https:\\\/\\\/www.acassessor.org\\\/homeowners\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Decrease Your Assessment\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.acassessor.org\\\/#website\",\"url\":\"https:\\\/\\\/www.acassessor.org\\\/\",\"name\":\"Alameda County Assessor\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.acassessor.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"es\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Decrease Your Assessment - Alameda County Assessor","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.acassessor.org\/es\/homeowners\/decrease-your-assessment\/","og_locale":"es_MX","og_type":"article","og_title":"Decrease Your Assessment - Alameda County Assessor","og_description":"Decrease Your Assessment There are several ways you may be able to lower your property tax bill. The Alameda County Assessor's Office can help you understand your options, including exemptions, exclusions from reassessment, decline-in-value reviews, assessment appeals, and disaster relief. Exemptions Property tax exemptions reduce the assessed value of your property, which lowers your tax [&hellip;]","og_url":"https:\/\/www.acassessor.org\/es\/homeowners\/decrease-your-assessment\/","og_site_name":"Alameda County Assessor","article_modified_time":"2026-04-27T17:52:22+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"4 minutos"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/","url":"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/","name":"Decrease Your Assessment - Alameda County Assessor","isPartOf":{"@id":"https:\/\/www.acassessor.org\/#website"},"datePublished":"2020-05-21T00:21:36+00:00","dateModified":"2026-04-27T17:52:22+00:00","breadcrumb":{"@id":"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/#breadcrumb"},"inLanguage":"es","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.acassessor.org\/homeowners\/decrease-your-assessment\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.acassessor.org\/"},{"@type":"ListItem","position":2,"name":"Homeowners","item":"https:\/\/www.acassessor.org\/homeowners\/"},{"@type":"ListItem","position":3,"name":"Decrease Your Assessment"}]},{"@type":"WebSite","@id":"https:\/\/www.acassessor.org\/#website","url":"https:\/\/www.acassessor.org\/","name":"Alameda County Assessor","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.acassessor.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"es"}]}},"_links":{"self":[{"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/pages\/119","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/comments?post=119"}],"version-history":[{"count":17,"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/pages\/119\/revisions"}],"predecessor-version":[{"id":4029,"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/pages\/119\/revisions\/4029"}],"up":[{"embeddable":true,"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/pages\/15"}],"wp:attachment":[{"href":"https:\/\/www.acassessor.org\/es\/wp-json\/wp\/v2\/media?parent=119"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}