What is Hartford's Main Street district used for?

Hartford's form-based code includes a district applied along mixed-use commercial corridors that permits moderate-density mixed-use buildings with street-facing retail and upper-floor residential or office space, regulated primarily by building form rather than a use table; the exact district code should be confirmed against the current zoning map.

Why does Hartford use area-type zoning instead of typical residential/commercial zoning?

Hartford replaced its use-based zoning ordinance with a form-based code that organizes the city into districts by area type — downtown, main street, and neighborhood contexts — regulating building massing, frontage, and street design directly, aiming to make walkable, mixed-use infill possible by right rather than dependent on case-by-case variances.

How do I find the zoning district for a Hartford parcel?

Hartford's Development Services Department publishes the zoning map, and the city's GIS parcel viewer returns a lot's district and any applicable overlay by address or parcel ID.

Hartford, Connecticut · city zoning districts · 11 districts

Hartford, CT zoning map & districts

Hartford's Development Services Department administers zoning under a form-based code, which replaced the city's older use-based (Euclidean) ordinance with districts organized by area type — downtown, main-street corridors, and neighborhood contexts — that regulate building form, frontage, and street-facing design rather than leading with a use table, aiming to make walkable, denser infill possible without case-by-case variances. The Hartford Zoning Regulations pair these area-type districts with a small number of conventional classifications for industrial and open-space land that the form-based framework doesn't fit.

The code Hartford Zoning Regulations

Hartford zoning map

Hartford's Development Services Department maintains the zoning map and form-based code text; the city's GIS portal returns a parcel's district by address.

There is no link to the official map here yet — confirm current district boundaries directly with the Hartford planning or zoning department.

A published summary is never the authority. The adopted ordinance and the city's official zoning map govern, and both change — verify the district and every standard on your parcel before you rely on it.

How zoning works in Hartford

As Connecticut's capital, Hartford carries a large share of state-government and institutional land (Trinity College, UConn Hartford, hospital campuses) that behaves differently from private redevelopment parcels, and downtown has been reshaped in part around the XL Center and the Downtown North / Dillon Stadium redevelopment areas. Hartford's assisted-housing stock has typically kept it near or above the Conn. Gen. Stat. §8-30g exemption threshold in recent state reporting, though this should be confirmed for the current cycle before assuming the affordable-housing appeals process doesn't apply.

Hartford zoning districts by family

The 11 district codes below are the ones that decide most projects in Hartford, grouped by what they are for rather than by the order the ordinance prints them.

Key districts in the Hartford Zoning Regulations — a curated reference, not the exhaustive list. Confirm against the current adopted code.
Code	District	What it is for
Residential 3 districts
N-2-2	Neighborhood District (N-2)	Reconstructed: prior list had only one row (OS); N districts are Hartford's residential-only base zones.
N-3-1	Neighborhood District (N-3)	Mid-density neighborhood district under the form-based code.
N-4-1	Neighborhood District (N-4)	Higher-density neighborhood district under the form-based code.
Mixed-use 3 districts
NX-2	Neighborhood Mix District	Neighborhood-scale mixed-use district.
MS-2	Main Street District	Traditional main-street mixed-use corridor district.
MX-1	Multi-Use Mix District	Larger-scale mixed-use district.
Commercial 1 district
CX-1	Commercial-Industrial Mix District	Corridor-scale commercial/light-industrial mix district.
Downtown / core 2 districts
DT-1	Downtown District	Base downtown district.
DT-3	Downtown District	Higher-intensity downtown tier.
Industrial 1 district
ID-1	Industrial District	Base industrial district.
Special purpose 1 district
OS	Open Space District	Parks, conservation land, and other non-buildable open space; confirmed correct in prior list.

Hartford zoning — common questions

What is Hartford's Main Street district used for?: Hartford's form-based code includes a district applied along mixed-use commercial corridors that permits moderate-density mixed-use buildings with street-facing retail and upper-floor residential or office space, regulated primarily by building form rather than a use table; the exact district code should be confirmed against the current zoning map.
Why does Hartford use area-type zoning instead of typical residential/commercial zoning?: Hartford replaced its use-based zoning ordinance with a form-based code that organizes the city into districts by area type — downtown, main street, and neighborhood contexts — regulating building massing, frontage, and street design directly, aiming to make walkable, mixed-use infill possible by right rather than dependent on case-by-case variances.
How do I find the zoning district for a Hartford parcel?: Hartford's Development Services Department publishes the zoning map, and the city's GIS parcel viewer returns a lot's district and any applicable overlay by address or parcel ID.

Working in Connecticut? Get on the list.

The parcel layer lands in the order demand does. Illinois went first because that's where the deals were; the next state is decided by who tells us what they're trying to underwrite. Tell us where you're building and what you wanted to run — you'll hear from us when Connecticut opens, and sooner if we need a test parcel.

Keep reading

← Connecticut zoning — who holds the zoning power in Connecticut, under which enabling statute, and the reforms that override local rules.

Other Connecticut cities

The zoning reference → — every state, plus city-level district guides like this one.

Hartford zoning summaries on this page are provided for information, not legal advice. Confirm every project against the current adopted code for the jurisdiction.