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Lewiston, Maine Zoning Map

Zoning, overlays and hazards on every parcel — and an answer to what the code actually lets you build. Compiled from current zoning data for all 17 districts.

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Coverage

What's in the Lewiston dataset

Every field below is available for any Lewiston parcel, on the map and through the AI.

Zoning

  • District code & full name
  • Parcel boundary & APN
  • All 17 districts mapped

Building controls

  • Front setback
  • Side setback
  • Rear setback
  • Building height
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Overlays, hazards & AI

  • Flood hazard & environmental layers
  • Ask the AI about any parcel
  • Powered by live parcel data
Zoning Districts

Lewiston, Maine Zoning Districts: What Do They Mean?

Zoning districts are areas regulated by specific laws that determine land use, building types, and development rules. Each district below shows its zone type. Lewiston's ordinance does not state permitted uses as citywide flags, so they are read from each district's own table rather than summarised here.

Zone CodeCategoryAreaDetails
RA
Rural Agricultural District
-
7,530.5 ac
Standards & uses →
LDR
Low Density Residential District
-
3,036.7 ac
Standards & uses →
NCA
Neighborhood Conservation A District
-
2,945.3 ac
Standards & uses →
HB
Highway Business District
-
1,911.6 ac
Standards & uses →

Showing 4 of 17 districts

Common Questions

Start from what you're trying to build

Each one runs against the live Lewiston dataset and returns the districts, standards and approvals involved.

What does RA actually permit?

The full standards for one district, read straight from the source.

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City Context

How is Lewiston zoned?

Lewiston regulates land through 17 zoning districts, and the largest is Rural Agricultural at roughly 7,531 acres, more than twice the next largest classification. That marks how much of the city remains undeveloped.

The Neighborhood Conservation districts, lettered A and B and covering roughly 3,158 acres between them, are the primary framework for established residential areas. Naming them conservation rather than by density states an intent to maintain rather than to intensify, and the A district alone is the third largest classification in the city.

Three districts address the city's industrial heritage and centre. The Mill District at roughly 105 acres covers the historic textile mill complex, an explicit classification for buildings that would otherwise sit awkwardly in a general industrial or commercial district. Center Ville covers roughly 160 acres and a River Front district about 61.

An Urban Enterprise district covers roughly 623 acres, and a Downtown Residential district about 161, together providing the framework for the older core.

The conventional residential ladder runs low density at roughly 3,037 acres, suburban at about 1,312 and medium density at roughly 826. A Resource Conservation district covers about 1,109 acres. Business runs neighborhood, community and highway, with highway business the fourth largest classification at roughly 1,912 acres. This is pre-development intelligence, not legal advice - verify with the local planning department before acquisition.

FAQ

Lewiston zoning: frequently asked questions

What are the Neighborhood Conservation districts?

Two districts lettered A and B, covering roughly 3,158 acres between them. Naming them conservation rather than by density states an intent to maintain existing residential areas rather than intensify them.

What is the Mill District?

A district covering roughly 105 acres for the historic textile mill complex. Zoning it explicitly gives the city a framework for buildings that would sit awkwardly in a general industrial or commercial district.

Which is the largest district?

Rural Agricultural at roughly 7,531 acres, more than twice the next largest classification. It marks how much of the city remains undeveloped.

How is the downtown area zoned?

Through several districts: Center Ville at roughly 160 acres, Downtown Residential at about 161, an Urban Enterprise district at roughly 623, and a River Front district at about 61.

How much conservation land is there?

A Resource Conservation district covers roughly 1,109 acres, separate from the rural agricultural district and from the neighborhood conservation residential districts.

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Zoning data is pre-development intelligence, not legal advice. Verify with the Lewiston planning department before acquisition or design.