Zoning › State overlays › Delaware

Delaware State overlays

All 7 tracked preemption laws for Delaware.

Overview

All tracked preemption laws for Delaware. Click any law for its trigger predicate, preempted fields, and source citation.

Laws tracked
7
Preempted fields
13
Required city attrs
5
Last reviewed
2026-05-20
Zoning wiki for DelawareBuilding codes for DelawareFilter all preemptions by DEFederal overlaysState overlays atlasGlossary

Tracked laws

Delaware 25 Del. C. Chapter 70 — Manufactured Housing Act (Tenure, Not Siting)1 field
Effective
2013-06-30
Authority
state · scope: state:DE
ID
DE_MANUFACTURED_HOUSING_25_CH70
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Delaware Coastal Zone Act — Heavy Industry Prohibition3 fields
Effective
1971-06-28
Authority
state · scope: state:DE
ID
DE_COASTAL_ZONE_ACT_1971
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Delaware 9 Del. C. Chapter 49 — Sussex County Zoning1 field
Effective
1969-07-09
Authority
state · scope: state:DE
ID
DE_TITLE9_CH49_SUSSEX_COUNTY_ZONING
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Delaware 9 Del. C. Chapter 69 — Kent County Zoning1 field
Effective
1968-07-01
Authority
state · scope: state:DE
ID
DE_TITLE9_CH69_KENT_COUNTY_ZONING
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Delaware 9 Del. C. Chapter 26 — New Castle County Zoning2 fields
Effective
1965-07-13
Authority
state · scope: state:DE
ID
DE_TITLE9_CH26_NEW_CASTLE_COUNTY_ZONING
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Delaware 22 Del. C. Chapter 8 — Municipal Home Rule Act (Wilmington)1 field
Effective
1965-01-01
Authority
state · scope: state:DE
ID
DE_TITLE22_CH8_WILMINGTON_HOME_RULE
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Delaware 22 Del. C. Chapter 3 — Municipal Zoning Enabling Act4 fields
Effective
1953-01-01
Authority
state · scope: state:DE
ID
DE_TITLE22_CH3_MUNICIPAL_ZONING_ENABLING
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Required city attributes

Required city attributes

The evaluator needs these city-level facts present to resolve whether a given law's predicate fires.

  • population
  • county
  • charter_type
  • in_coastal_zone
  • has_grandfathered_industrial_site