🕷️ Crawler Inspector

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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 151 (from laksa098)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa151.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.huduser.gov/portal/periodicals/cityscape/vol26num3/article9.html\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.huduser.gov/portal/periodicals/cityscape/vol26num3/article9.html\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article9.html","crawl_time":1775825370,"first_indexed_time":1732237398,"http_code":200,"src_unparsed":"gov,huduser!www,\/portal\/periodicals\/cityscape\/vol26num3\/article9.html s443","src_root_hash":"8932665093783123951","history_drop_reason":null,"meta_title":"Cityscape: Volume 26 Number 3 | Federalism and Flexibility: Fifty Years of Community Development Block Grants | The Effects of Minimum-Lot-Size Reform on Houston Land Values | HUD USER","meta_descriptions":[],"attrs_boilerpipe_text":"Federalism and Flexibility: Fifty Years of Community Development Block Grants\nVolume 26 Number 3\nManaging Editors\nMark D. Shroder\nAssociate Editor\nMichelle P. Matuga\nThe Effects of Minimum-Lot-Size Reform on Houston Land Values\nEmily Hamilton\nMercatus Center at George Mason University\nIn 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size\nreform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value.\nPrevious Article\n   |   \nNext Article","attrs_markdown":"[Skip to main content](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article9.html#main-content)\n\n![](https:\/\/www.huduser.gov\/portal\/themes\/contrib\/uswds_base_subtheme_bootstrap\/assets\/uswds\/img\/us_flag_small.png)\n\nAn official website of the United States government\n\nHere's how you know\n\nHere's how you know\n\n![Dot gov](https:\/\/www.huduser.gov\/portal\/themes\/contrib\/uswds_base_subtheme_bootstrap\/assets\/uswds\/img\/icon-dot-gov.svg)\n\n**Official websites use .gov**   \n A **.gov** website belongs to an official government organization in the United States.\n\n![Https](https:\/\/www.huduser.gov\/portal\/themes\/contrib\/uswds_base_subtheme_bootstrap\/assets\/uswds\/img\/icon-https.svg)\n\n**Secure .gov websites use HTTPS**   \n A **lock** ( Locked padlock ) or **https:\/\/** means you’ve safely connected to the .gov website. 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[Home](https:\/\/www.huduser.gov\/portal\/)\n\n# Cityscape: Volume 26 Number 3 \\| Federalism and Flexibility: Fifty Years of Community Development Block Grants \\| The Effects of Minimum-Lot-Size Reform on Houston Land Values\n# Federalism and Flexibility: Fifty Years of Community Development Block Grants\n#### Volume 26 Number 3\n\nManaging Editors  \n Mark D. Shroder\n\nAssociate Editor  \n Michelle P. Matuga\n\n[![download icon](https:\/\/www.huduser.gov\/portal\/sites\/default\/files\/images2\/DOWNLOAD-ICON.png) **Download**](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/ch9.pdf)\n\n## **The Effects of Minimum-Lot-Size Reform on Houston Land Values**\n*Emily Hamilton  Mercatus Center at George Mason University*\n***\nIn 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size reform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value.\n\n[Previous Article](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article8.html) \\| [Next Article](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article10.html)\n\n![image of city buildings](https:\/\/www.huduser.gov\/portal\/sites\/default\/files\/images2\/TRANSPARENT-BUILDINGS-RIGHT.png)\n\n[About PD\\&R](https:\/\/www.huduser.gov\/portal\/about\/pdrabout.html)   \n  \n [PD\\&R Mission](https:\/\/www.huduser.gov\/portal\/about\/mission_and_background.html)  \n [Organization Chart](https:\/\/www.huduser.gov\/portal\/about\/org_charts.html)  \n [PD\\&R Events](https:\/\/www.huduser.gov\/portal\/about\/events.html)  \n [PD\\&R Guidelines & Brochures](https:\/\/www.huduser.gov\/portal\/about\/guidelines_and_brochures.html)  \n [HUD Secretary's Awards](https:\/\/www.huduser.gov\/portal\/about\/secaward.html)  \n [Disclaimer of Liability and Endorsement](https:\/\/www.huduser.gov\/portal\/about\/disclaimer.html)\n\n[Reference](https:\/\/www.huduser.gov\/portal\/quicklinks.html)  \n  \n [Contact Us](https:\/\/www.huduser.gov\/portal\/pdrconta.html)  \n [First Time Visitor](https:\/\/www.huduser.gov\/portal\/firsttimevisit.html)  \n [HUD User eBookstore](https:\/\/www.huduser.gov\/portal\/eBookStore.html)  \n [HUD User Archives](https:\/\/www.huduser.gov\/archives\/)  \n [Webstore](http:\/\/www.huduser.gov\/webstore\/catalog\/index.php)\n\n[Research](https:\/\/www.huduser.gov\/portal\/research\/home.html)  \n  \n [Case Studies](https:\/\/www.huduser.gov\/portal\/casestudies\/home.html)  \n [Datasets](https:\/\/www.huduser.gov\/portal\/pdrdatas_landing.html)  \n [Periodicals](https:\/\/www.huduser.gov\/portal\/periodicals\/pdrperio.html)  \n [Regulatory Barriers Clearinghouse](https:\/\/www.huduser.gov\/portal\/rbc\/home.html)  \n [Research & Reports](https:\/\/www.huduser.gov\/portal\/reports\/home.html)\n\n***Note:*** Guidance documents, except when based on statutory or regulatory authority or law, do not have the force and effect of law and are not meant to bind the public in any way. Guidance documents are intended only to provide clarity to the public regarding existing requirements under the law or agency policies.\n\n[Accessibility](http:\/\/portal.hud.gov\/hudportal\/HUD?src=\/accessibility \"Accessibility\") \\| [Contact Info](http:\/\/portal.hud.gov\/hudportal\/HUD?src=\/contact \"Contact Info\") \\| [Privacy Policy](https:\/\/www.huduser.gov\/portal\/privacy-policy.html \"Privacy Policy\") \\| [FOIA](http:\/\/portal.hud.gov\/hudportal\/HUD?src=\/program_offices\/administration\/foia \"Freedom Of Information Act\") \\| [Web Management and Web Policies](http:\/\/portal.hud.gov\/hudportal\/HUD?src=\/library\/bookshelf11 \"Web Management and Web Policies\") \\| [Inspector General](https:\/\/www.hudoig.gov\/ \"Inspector General\") \\| [No Fear Act](http:\/\/portal.hud.gov\/hudportal\/HUD?src=\/program_offices\/eeo\/nofearactfy \"No Fear Act\") \\| [PaymentAccuracy.gov](http:\/\/www.paymentaccuracy.gov\/ \"PaymentAccuracy.gov\")\n\n![HUD User Social Media Icons](https:\/\/www.huduser.gov\/portal\/sites\/default\/files\/images2\/HU-FOOTER-LOGOS-2024.webp)\n\n**HUD USER**   \n P.O. Box 23268, Washington, DC 20026-3268   \n **Toll Free:** 1-800-245-2691\n\n**TDD:** 1-800-927-7589\n\n**Local:**\n\n1-703-964-0670\n\n**Fax:** 1-202-708-9981\n\n![HUD USER footer](https:\/\/www.huduser.gov\/portal\/images\/footer_logos_transparent_1.png)","attrs_readable_markdown":"Federalism and Flexibility: Fifty Years of Community Development Block GrantsVolume 26 Number 3\n\nManaging Editors  \n Mark D. Shroder\n\nAssociate Editor  \n Michelle P. Matuga\n\n## **The Effects of Minimum-Lot-Size Reform on Houston Land Values**\n*Emily Hamilton  Mercatus Center at George Mason University*\n***\nIn 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size reform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value.\n\n[Previous Article](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article8.html) \\| [Next Article](https:\/\/www.huduser.gov\/portal\/periodicals\/cityscape\/vol26num3\/article10.html)\n\n![image of city buildings](https:\/\/www.huduser.gov\/portal\/sites\/default\/files\/images2\/TRANSPARENT-BUILDINGS-RIGHT.png)","meta_canonical":null}

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Boilerpipe Text	Federalism and Flexibility: Fifty Years of Community Development Block Grants Volume 26 Number 3 Managing Editors Mark D. Shroder Associate Editor Michelle P. Matuga The Effects of Minimum-Lot-Size Reform on Houston Land Values Emily Hamilton Mercatus Center at George Mason University In 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size reform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value. Previous Article \| Next Article
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[Home](https://www.huduser.gov/portal/) # Cityscape: Volume 26 Number 3 \\| Federalism and Flexibility: Fifty Years of Community Development Block Grants \\| The Effects of Minimum-Lot-Size Reform on Houston Land Values # Federalism and Flexibility: Fifty Years of Community Development Block Grants #### Volume 26 Number 3 Managing Editors Mark D. Shroder Associate Editor Michelle P. Matuga [![download icon](https://www.huduser.gov/portal/sites/default/files/images2/DOWNLOAD-ICON.png) Download](https://www.huduser.gov/portal/periodicals/cityscape/vol26num3/ch9.pdf) ## The Effects of Minimum-Lot-Size Reform on Houston Land Values** Emily Hamilton Mercatus Center at George Mason University * In 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size reform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value. 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Readable Markdown	Federalism and Flexibility: Fifty Years of Community Development Block GrantsVolume 26 Number 3 Managing Editors Mark D. Shroder Associate Editor Michelle P. Matuga ## The Effects of Minimum-Lot-Size Reform on Houston Land Values Emily Hamilton Mercatus Center at George Mason University *** In 1998, Houston policymakers cut minimum-lot-size requirements by about two-thirds—from 5,000 square feet to 1,400 square feet—within the center city. A 2013 expansion of this minimum-lot-size reform is the policy change at the center of this study. Relative to recent zoning changes intended to facilitate denser construction in single-family neighborhoods, such as those in Minneapolis and Oregon, Houston’s reform has received less media attention but has facilitated greater rates of construction. One concern critics raise about increasing property owners’ development rights is that the resulting greater option value of the land may increase the prices of the existing stock of housing, with the potential to worsen housing affordability, at least in the short term. This study uses a difference-in-differences design to estimate the effect of the 2013 reform on land values. Across many specifications, no evidence emerged that the reform increased land values, and in some models, the evidence showed that the reform reduced land values relative to land in the control group. This result may have occurred because Houston’s reform has facilitated a large amount of housing construction. The downward pressure on rents due to increased housing supply—and downward pressure on land values as a result—may offset the effect of an increase in land’s option value. [Previous Article](https://www.huduser.gov/portal/periodicals/cityscape/vol26num3/article8.html) \\| [Next Article](https://www.huduser.gov/portal/periodicals/cityscape/vol26num3/article10.html) ![image of city buildings](https://www.huduser.gov/portal/sites/default/files/images2/TRANSPARENT-BUILDINGS-RIGHT.png)
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