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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Hawaii Zoning Atlas</title>
<meta name="description"
content="This interactive map explores how restrictive zoning laws can make it difficult to build diverse, affordable housing." />
<!-- mic drop -->
<link rel="shortcut icon" type="image/png" href="favicon.png" />
<link rel="stylesheet" href="https://unpkg.com/tachyons@4.12.0/css/tachyons.min.css" />
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.7.1/dist/leaflet.css" />
<link rel="stylesheet" href="style.css" />
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script src="https://unpkg.com/leaflet@1.7.1/dist/leaflet.js"></script>
<script src="scripts/leaflet-hash.js"></script>
<script src="scripts/leaflet-pattern.js"></script>
<script src="scripts/jquery.unserialize.js"></script>
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<link rel="stylesheet" href="https://unpkg.com/driver.js@0.9.8/dist/driver.min.css"/>
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<script src="https://unpkg.com/esri-leaflet@2.5.2/dist/esri-leaflet.js"></script>
<!-- Load Esri Leaflet Geocoder from CDN -->
<link rel="stylesheet" href="https://unpkg.com/esri-leaflet-geocoder@2.3.3/dist/esri-leaflet-geocoder.css" />
<script src="https://unpkg.com/esri-leaflet-geocoder@2.3.3/dist/esri-leaflet-geocoder.js"></script>
<!-- Load Material icons -->
<link href="https://fonts.googleapis.com/icon?family=Material+Icons" rel="stylesheet" />
<!-- Typeface styling -->
<link href="https://api.fontshare.com/v2/css?f[]=red-hat-display@700&f[]=zodiak@400&display=swap" rel="stylesheet">
<!-- Google tag (gtag.js) -->
<script async src="https://www.googletagmanager.com/gtag/js?id=G-ZTZX623WY7"></script>
<script>
window.dataLayer = window.dataLayer || [];
function gtag() { dataLayer.push(arguments); }
gtag('js', new Date());
gtag('config', 'G-ZTZX623WY7');
</script>
<script src="data/demographics.js"></script>
<script src="scripts/map.js"></script>
</head>
<body>
<div id="map" class="vw-100 vh-100"></div>
<div class="pa3 shadow-1 dn bg-white" id="activeAreaCalculator"></div>
<div id="sidebar" class="pa3 br1">
<div id="HiZoningAtlas">
<div class="cf">
<img src="./img/hi-zoning-atlas-logo.png" style="height: 45px; width: auto" alt="HI Zoning Atlas" />
</div>
<h1 class="f3 mv2 black-90 dn">Hawaii Zoning Atlas</h1>
<p class="f5 mv2">
This interactive map explores how restrictive zoning laws can make it
difficult to build diverse, affordable housing.
</p>
<p class="f6 mv2">
Use checkboxes below to filter zones in the map. Click a county to see
what % of its territory satisfies selected criteria.
</p>
<form id="form" class="f6 lh-title">
<input type="hidden" name="townActive" value="" />
<div id="TypeOfZoningDistrict">
<h2 class="f5 mb1 black-40">Type of Zoning District</h2>
<ul id="legend" class="list pl0 mt0">
<li>
<span class="square" title="R"></span> Primarily Residential
<span class="black-40 i">(satisfies criteria)</span>
</li>
<li>
<span class="square" title="M"></span> Mixed with Residential
<span class="black-40 i">(satisfies criteria)</span>
</li>
<li>
<span class="square" title="N"></span> Nonresidential Zone
<span class="black-40 i">(satisfies criteria)</span>
</li>
<li>
<span class="square" title="NS"></span> Any Zone Not Satisfying
Criteria
</li>
</ul>
</div>
<div id="PermittedResidentialUses">
<div class="cf mv1">
<h2 class="f5 mv0 black-40 fl" id="PermittedResidentialUses">
Permitted Residential Uses
</h2>
<span class="dib fr material-icons dim black-50 bg-light-gray br-100" id="resetFilters"
title="Clear filters">clear</span>
</div>
<div class="filter-group">
<label class="f5">
<input type="checkbox" class="w1 h1 main-in-group" name="1F" value="" />
<span>1-Family Housing</span>
</label>
<div class="pl1 subgroup dn pb2 bb b--black-10">
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="1F" value="A" />
Allowed As of Right
</label>
<br />
<label>
<input type="checkbox" class="checked-by-default" name="1F" value="AH" />
Allowed Only After Public Hearing
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Minimum Lot Size, acres</h5>
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="1MLS" value="A" />
None
</label>
<label>
<input type="checkbox" class="checked-by-default" name="1MLS" value="B" />
.01-.46
</label>
<label>
<input type="checkbox" class="checked-by-default" name="1MLS" value="C" />
.47–.91
</label>
<label>
<input type="checkbox" class="checked-by-default" name="1MLS" value="D" />
.92–1.83
</label>
<label>
<input type="checkbox" class="checked-by-default" name="1MLS" value="E" />
1.84+
</label>
</div>
<div class="mt2 pa1">
<label>
<input type="checkbox" name="1MUS" value="0" />
No Minimum Unit Size Requirement
</label>
<br />
<label>
<input type="checkbox" name="1E" value="No" />
Not Restricted to Elderly Only
</label>
</div>
</div>
</div>
<!-- 2-Family -->
<div class="filter-group">
<label class="f5">
<input type="checkbox" name="2F" class="w1 h1 main-in-group" value="" />
<span>2-Family Housing</span>
</label>
<div class="pl1 subgroup dn pb2 bb b--black-10">
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="2F" value="A" />
Allowed As of Right
</label>
<br />
<label>
<input type="checkbox" class="checked-by-default" name="2F" value="AH" />
Allowed Only After Public Hearing
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Minimum Lot Size, acres</h5>
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="2MLS" value="A" />
None
</label>
<label>
<input type="checkbox" class="checked-by-default" name="2MLS" value="B" />
.01-.46
</label>
<label>
<input type="checkbox" class="checked-by-default" name="2MLS" value="C" />
.47–.91
</label>
<label>
<input type="checkbox" class="checked-by-default" name="2MLS" value="D" />
.92–1.83
</label>
<label>
<input type="checkbox" class="checked-by-default" name="2MLS" value="E" />
1.84+
</label>
</div>
<div class="mt2 pa1">
<label>
<input type="checkbox" name="2MUS" value="0" />
No Minimum Unit Size Requirement
</label>
<br />
<label>
<input type="checkbox" name="2E" value="No" />
Not Restricted to Elderly Only
</label>
</div>
</div>
</div>
<!-- 3-Family -->
<div class="filter-group">
<label class="f5">
<input type="checkbox" name="3F" class="w1 h1 main-in-group" value="" />
<span>3-Family Housing</span>
</label>
<div class="pl1 subgroup dn pb2 bb b--black-10">
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="3F" value="A" />
Allowed As of Right
</label>
<br />
<label>
<input type="checkbox" class="checked-by-default" name="3F" value="AH" />
Allowed Only After Public Hearing
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Minimum Lot Size, acres</h5>
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="3MLS" value="A" />
None
</label>
<label>
<input type="checkbox" class="checked-by-default" name="3MLS" value="B" />
.01-.46
</label>
<label>
<input type="checkbox" class="checked-by-default" name="3MLS" value="C" />
.47–.91
</label>
<label>
<input type="checkbox" class="checked-by-default" name="3MLS" value="D" />
.92–1.83
</label>
<label>
<input type="checkbox" class="checked-by-default" name="3MLS" value="E" />
1.84+
</label>
</div>
<div class="mt2 pa1">
<label>
<input type="checkbox" name="3MUS" value="0" />
No Minimum Unit Size Requirement
</label>
<br />
<label>
<input type="checkbox" name="3E" value="No" />
Not Restricted to Elderly Only
</label>
</div>
</div>
</div>
<!-- 4+ Family -->
<div class="filter-group">
<label class="f5">
<input type="checkbox" name="4F" class="w1 h1 main-in-group" value="" />
<span>4+ Family Housing</span>
</label>
<div class="pl1 subgroup dn pb2 bb b--black-10">
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="4F" value="A" />
Allowed As of Right
</label>
<br />
<label>
<input type="checkbox" class="checked-by-default" name="4F" value="AH" />
Allowed Only After Public Hearing
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Minimum Lot Size, acres</h5>
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="4MLS" value="A" />
None
</label>
<label>
<input type="checkbox" class="checked-by-default" name="4MLS" value="B" />
.01-.46
</label>
<label>
<input type="checkbox" class="checked-by-default" name="4MLS" value="C" />
.47–.91
</label>
<label>
<input type="checkbox" class="checked-by-default" name="4MLS" value="D" />
.92–1.83
</label>
<label>
<input type="checkbox" class="checked-by-default" name="4MLS" value="E" />
1.84+
</label>
</div>
<div class="mt2 pa1">
<label>
<input type="checkbox" name="4MUS" value="0" />
No Minimum Unit Size Requirement
</label>
<br />
<label>
<input type="checkbox" name="4E" value="No" />
Not Restricted to Elderly Only
</label>
</div>
</div>
</div>
<div class="filter-group">
<label class="f5">
<input type="checkbox" class="w1 h1 main-in-group" name="AD" value="" />
<span>Accessory Dwelling Units</span>
</label>
<div class="pl1 subgroup dn pb2 bb b--black-10">
<div class="at-least-one-checked pa1 br1">
<label>
<input type="checkbox" class="checked-by-default" name="AD" value="A" />
Allowed As of Right
</label>
<br />
<label>
<input type="checkbox" class="checked-by-default" name="AD" value="AH" />
Allowed Only After Public Hearing
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Occupancy Requirements</h5>
<div class="ph1">
<label>
<input type="checkbox" name="AOwn" value="No" /> Allows
Non-Owner Occupancy
</label>
<br />
<label>
<input type="checkbox" name="AFam" value="No" /> Allows
Non-Family/Non-Employees
</label>
<br />
<label>
<input type="checkbox" name="ARent" value="No" /> Allows
Renters
</label>
<br />
<label>
<input type="checkbox" name="AEld" value="No" /> Not
Restricted to Elderly Only
</label>
</div>
<h5 class="f6 mb0 mt2 black-80 pl1">Physical Requirements</h5>
<div class="ph1">
<label>
<input type="checkbox" name="APrim" value="No" /> Not
Restricted to Primary Structure
</label>
<br />
<label>
<input type="checkbox" name="ASize" value="No" /> No Maximum
Size Limitation
</label>
</div>
</div>
</div>
</div>
<div id="Overlays">
<h2 class="f5 mb1 black-40">Overlays</h2>
<label class="f5"
title="Includes ponds, lakes, oceans, swamps, and the area covered by large rivers, streams, and/or canals. Data from USG National Hydrography Dataset-Hawaii.">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="hydro" />
Waterways
</label>
<br />
<label class="f5" title="Federal Government Owned Lands">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="federal" />
Federal Lands
</label>
<br />
<label class="f5" title="State Government Land Ownership">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="state" />
State Lands
</label>
<br />
<label class="f5"
title="DHHL Lands are lands held in trust by the State of Hawaii for the benefit of Native Hawaiians. Data from DHHL.">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="DHHL" />
DHHL Lands
</label>
<!-- <br /> -->
<!-- <label class="f5" title="">
<input
type="checkbox"
class="h1 w1 main-in-group"
name="Overlay"
value="sewer"
/>
Sewer Service Areas
</label> -->
<div class="filter-group">
<label class="f5">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="transit" />
Transit Stations (Rail)
</label>
<div class="pl1 dn subgroup pb2 bb b--black-10">
<span class="f6 black-50 ml3 pl1 i">Circles represent 0.5-mile radius</span>
</div>
</div>
<label class="f5"
title="House">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay" value="house" />
House District
</label>
<br />
<label class="f5"
title="Senate">
<input type="checkbox" class="h1 w1 main-in-group" name="Overlay"
value="senate" />
Senate Districts
</label>
<div id="ZoneOpacity">
<h2 class="f5 mb1 black-40">Zone Opacity</h2>
<input type="range" min="1" max="100" value="90" name="opacity" />
</div>
</form>
<p class="black-40 f6 mb0">
This map was created to support the
<a href="http://www.zoningatlas.org/" class="link dim black-50 underline" target="_blank">National Zoning
Atlas</a>
movement, with support from
<a href="https://codewithaloha.org/" class="link dim black-50 underline" target="_blank">Code with
Aloha</a>,
Faith Action, and the
<a href="https://www.mercatus.org" class="link dim black-50 underline" target="_blank">Mercatus Center</a>.
</p>
<p class="black-40 f6 mb0">
Data and code hosted open-source on <a href="https://github.com/CodeWithAloha/Hawaii-Zoning-Atlas"
class="link dim black-50 underline" target="_blank">GitHub</a>.
</p>
</div>
</div>
</body>
</html>