Middlesex County GIS Portal

Search for Middlesex County CT GIS maps. A GIS map search can provide information like county maps, town maps, city maps, local maps, property maps, parcel maps, plat maps, public property, property tax assessments, flood zones, zoning boundaries, geographic information, historical maps, and property tax information.


Middlesex County Assessor Offices are charged with determining the value of taxable property in their county or local area in order to calculate Middlesex County property taxes. In addition to property values, Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) maps. These Middlesex County GIS maps can show public property, parks, property divisions, and roads, as well as property assessments and property taxes in Middlesex County Connecticut. These maps can also include place names, bodies of water, flood zones, property zones, and other geographic information. Some Assessors may keep historic GIS maps that include historic property tax assessments. These maps may be available on the Middlesex County Assessor Office website.

Cromwell Assessor Cromwell CT 41 West Street 06416 860-632-3442

Deep River Assessor Deep River CT 174 Main Street 06417 860-526-6029

East Hampton Assessor East Hampton CT 20 East High Street 06424 860-267-2510

Essex Assessor Essex CT 29 West Avenue 06426 860-767-4345

Middlefield Assessor Middlefield CT 393 Jackson Hill Road 06455 860-349-7111

Middletown Assessor Middletown CT 245 deKoven Drive 06457 860-344-3454

Old Saybrook Assessor Old Saybrook CT 302 Main Street 06475 860-395-3137

Portland Town Assessor Portland CT 33 East Main Street 06480 860-342-6795

Westbrook Assessor Westbrook CT 866 Boston Post Road 06498 860-399-3045


Middlesex County Clerk Offices maintain public records for a county or local government, which includes GIS maps. These maps provide detailed information on the area, including Middlesex County property maps that show boundaries, public property, property divisions, and in some cases, population information in Middlesex County Connecticut. They may also include property value assessments and property tax rates. Middlesex County GIS maps can show place names, bodies of water, zoning information, flood zones, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations, and these maps are often available online through the Clerk Office website.

Chester Town Clerk Chester CT 203 Middlesex Turnpike 06412 860-526-0006

Clinton Town Clerk Clinton CT 54 E Main St 06413 860-669-9101

Cromwell Town Clerk Cromwell CT 41 West Street 06416 860-632-3440

Durham Town Clerk Durham CT 30 Town House Road 06422 860-349-3453

East Haddam Town Clerk East Haddam CT 7 Main Street 06423 860-873-5027

East Hampton Town Clerk East Hampton CT 20 East High Street 06424 860-267-2519

Middlefield Town Clerk Middlefield CT 393 Jackson Hill Road 06455 860-349-7116

Middlesex County Clerk Cromwell CT 41 Cromwell Hills Drive 06416 860-632-3440

Middletown Town Clerk Middletown CT 245 deKoven Drive 06457 860-344-3459

Old Saybrook Town Clerk Old Saybrook CT 302 Main Street 06475 860-395-3188

Westbrook Town Clerk Westbrook CT 866 Boston Post Road 06498 860-399-3044


Middlesex County Town and City Halls provide municipal services for their town or city, including preserving vital records and maintaining records on their jurisdiction such as Middlesex County GIS maps. The GIS maps at a Middlesex County Town or City Hall can include property boundaries, public property, unclaimed parcels, and roads, as well as appraisal values for properties and property tax assessments in Middlesex County Connecticut. These GIS maps may also show population information, place names, zoning boundaries, bodies of water, flood zones, and other geographic information. Some Town and City Halls also have historical maps of their area. These maps are often available to the public on the Middlesex County Town and City Hall website.

Chester Town Hall Chester CT 203 Middlesex Turnpike 06412 860-526-0013

Clinton Town Hall Clinton CT 54 East Main Street 06413 860-669-9333

Deep River Town Hall Deep River CT 174 Main Street 06417 860-526-6020

Durham Town Hall Durham CT 30 Town House Road 06422 860-349-3452

East Haddam Town Hall East Haddam CT 7 Main Street 06423 860-873-5035

East Hampton Town Hall East Hampton CT 20 East High Street 06424 860-267-2519

Essex Town Hall Essex CT 29 West Avenue 06426 860-767-4340

Haddam Town Hall Haddam CT WALKLEY HILL Rd 06438 860-345-2769

Middlefield Town Hall Middlefield CT 406 Jackson Hill Road 06455 860-349-3294

Middletown City Hall Middletown CT 245 deKoven Drive 06457 860-344-3401

Old Saybrook Town Hall Old Saybrook CT 60 Old Boston Post Road 06475 860-395-3184

Westbrook Town Hall Westbrook CT 866 Boston Post Road 06498 860-399-3044


Middlesex County Recorders of Deeds keep real estate records to ensure the accuracy of property and land records. In addition to deeds, Recorders of Deeds also have detailed county and local maps, including Middlesex County GIS maps that show property lines, building information, public property, unclaimed parcels, as well as property value assessments and property tax information. These GIS maps may also include place names, zoning boundaries, bodies of water, flood zones, and other geographic information in Middlesex County Connecticut. The Recorder of Deeds may also have historic GIS maps. These maps are often available on the Middlesex County Recorder of Deeds website.

Middlesex County Recorder of Deeds Middlefield CT PO Box 179 06455 860-349-7116

Middlesex County Recorder of Deeds Chester CT 203 Middlesex Turnpike 06412 860-526-0013

Middlesex County Recorder of Deeds East Haddam CT PO Box K 06423 860-873-5027

Middlesex County Recorder of Deeds Durham CT PO Box 428 06422 860-349-3453

Middlesex County Recorder of Deeds Killingworth CT 323 Route 81 06419 860-663-1765

Middlesex County Recorder of Deeds Cromwell CT 41 West Street 06416 860-632-3440

Middlesex County Recorder of Deeds Deep River CT 174 Main Street 06417 860-526-6024

Middlesex County Recorder of Deeds Clinton CT 54 East Main Street 06413 860-669-9101

Middlesex County Recorder of Deeds Haddam CT 30 Field Park Drive 06438 860-345-8531

Middlesex County Recorder of Deeds Essex CT 29 West Avenue 06426 860-767-4340

Middlesex County Recorder of Deeds Westbrook CT 866 Boston Post Road 06498 860-399-3044

Middlesex County Recorder of Deeds Middletown CT 245 deKoven Drive 06457 860-638-4910

Middlesex County Recorder of Deeds Old Saybrook CT 302 Main Street 06475 860-395-3135