New Haven County GIS Data (Connecticut)

Search for New Haven County, CT GIS data. A GIS data search can provide information on GIS maps, property lines, county lines, city lines, public property, elevations, flood zones, school boundaries, earthquake zones, property appraisal values, erosion, water pollutants, topography, soil composition, sewers, public utilities, building hazards, population information, demographic information, place names, public property, parks, campgrounds, trails, trail maps, historic maps, historic GIS maps, town maps, county maps, city maps, and neighborhood boundaries.


An Assessor Office is responsible for appraising the taxable property in an area in order to calculate property taxes in New Haven County, Connecticut. As part of this job, New Haven County Assessors maintain detailed county and local maps, including Geographic Information Science (GIS) data. These New Haven County GIS maps typically include property divisions, plots, buildings, property appraisal values, and property taxes. They may also include public property, parks, roads, place names, bodies of water, and other local geographical information, as well as flood zones, county zone lines, and school boundaries. These maps can be useful for a number of reasons, including buying and selling property. Assessors may provide online access to their New Haven County GIS data on their websites.

Branford Assessor Branford CT 1019 Main Street 06405 203-488-2039

Derby Assessor Derby CT 1 Elizabeth Street 06418 203-736-1455

East Haven Assessor East Haven CT 250 Main Street 06512 203-468-3233

Hamden Town Assessor Hamden CT 2750 Dixwell Avenue 06518 203-287-7128

Meriden Assessor Meriden CT 142 East Main Street 06450 203-630-4065

Middlebury Assessor Middlebury CT 1212 Whittemore Road 06762 203-758-1447

Milford Assessor Milford CT 70 West River Street 06460 203-783-3215

Naugatuck Assessor Naugatuck CT 229 Church Street 06770 203-720-7016

New Haven Assessor New Haven CT 165 Church Street 06510 203-946-6047


A Clerk Office maintains public records for a county or local government, including GIS data in the form of maps. These GIS maps provide detailed information such as property boundaries, roads, public property, parks, and in some cases, population and demographic information. GIS data can also show New Haven County property value assessments, property taxes, flood zones, zoning boundaries, and earthquake zones, as well as place names, bodies of water, and other geographic information. Clerks may also have historic GIS maps from the USGS or other organizations. New Haven County GIS data is often accessible through the Clerk Office website.

Ansonia Town & City Clerk Ansonia CT 253 Main Street 06401 203-736-5900

Bethany Town Clerk Bethany CT 40 Peck Road 06524 203-393-2100

Branford Town Clerk Branford CT 1019 Main Street 06405 203-488-6305

Cheshire Town Clerk Cheshire CT 84 South Main Street 06410 203-271-6601

Derby Town Clerk Derby CT 1 Elizabeth Street 06418 203-736-1462

East Haven Town Clerk East Haven CT 250 Main Street 06512 203-468-3201

Guilford Town Clerk Guilford CT 31 Park Street 06437 203-453-8001

Hamden Town Clerk Hamden CT 2750 Dixwell Avenue 06518 203-287-7112

Madison Clerk Madison CT 8 Campus Drive 06443 203-245-5672

Meriden City Clerk Meriden CT 142 East Main Street 06450 203-630-4030

Naugatuck Town Clerk Naugatuck CT 229 Church Street 06770 203-720-7055


A Building Department creates and enforces building codes and zoning regulations in order to ensure the construction of safe buildings in New Haven County, Connecticut. As part of that job, Building Departments maintain GIS data that can include New Haven County GIS maps on the topography, elevation, soil composition, and flood zones for the local area. This information can be important for adhering to building codes and meeting zoning rules. These GIS maps may also show New Haven County parcels, lots, subdivisions, and tracts of land, as well as sewers, public utilities, and other building hazards. GIS data may be available on the Building Department website.

Ansonia Zoning Ansonia CT 253 Main Street 06401 203-736-5990

Bethany Zoning Bethany CT 40 Peck Road 06524 203-393-2100

Branford Planning and Zoning Department Branford CT 1019 Main Street 06405 203-488-1255

Cheshire Building Department Cheshire CT 84 South Main Street 06410 203-271-6640

Cheshire Zoning Cheshire CT 84 South Main Street 06410 203-271-6670

East Haven Building Department East Haven CT 250 Main Street 06512 203-468-3216

East Haven Zoning East Haven CT 250 Main Street 06512 203-468-3357

Guilford Building Department Guilford CT 50 Boston Street 06437 203-453-8029

Guilford Zoning Guilford CT 50 Boston St 06437 203-453-8039

Hamden Town Zoning Hamden CT 2750 Dixwell Avenue 06518 203-287-7070

Heritage Village Building Department Southbury CT 310 Heritage Road 06488 203-262-9907

Madison Building Department Madison CT 8 Campus Drive 06443 203-245-5618

Madison Zoning Madison CT 8 Campus Drive 06443 203-245-5632

Meriden Building Department Meriden CT 142 East Main Street 06450 203-630-4091

Meriden Zoning Meriden CT 142 East Main Street 06450 203-630-4081

Middlebury Zoning Middlebury CT 1212 Whittemore Road 06762 203-577-4162

Milford Zoning Milford CT 70 West River Street 06460 203-783-3245

New Haven City Building Department New Haven CT 200 Orange Street 06510 203-946-5758


A Town or City Hall provides municipal services for their town or city, including keeping vital records and maintaining documents on their jurisdiction such as maps with GIS data in New Haven County, Connecticut. These GIS maps typically include property boundaries, real estate appraisal values, New Haven County property tax assessments, public property, and unclaimed parcels. The maps may also show place names, New Haven County zoning boundaries, bodies of water, and flood zones, as well as population and demographic information. Some Town and City Halls also maintain historical maps of their area. These maps are often available on the Town or City Hall website.

Bethany Town Hall Bethany CT 40 Peck Road 06524 203-393-2100

Branford Town Hall Branford CT 1019 Main Street 06405 203-488-8394

Derby City Hall Derby CT 1 Elizabeth St 06418 203-736-1462

East Haven Town Hall East Haven CT 250 Main Street 06512 203-468-3890

Hamden Town Hall Hamden CT 2750 Dixwell Avenue 06518 203-288-4444

Madison Town Hall Madison CT 8 Meeting House Lane 06443 203-245-5667

Meriden City Hall Meriden CT 142 East Main Street 06450 203-630-4123

Middlebury Town Hall Middlebury CT 1212 Whittemore Rd 06762 203-758-2557

Milford City Hall Milford CT 110 River Street 06460 203-783-3201

Naugatuck Town Hall Naugatuck CT CHURCH St 06770


The Army Corps of Engineers is a federal agency that provides engineering services, including managing ports and waterways, protecting against floods and storm damage, and maintaining public recreation areas in New Haven County, Connecticut. The Army Corps of Engineers keeps New Haven County GIS maps that show navigable waters, tributaries, water depths, bridges, and ports, as well as information on flood zones, dams, and hydroelectric plants. GIS maps of Army Corps recreation areas can include bodies of water, shelters, campgrounds, elevations, and trails. These New Haven County maps may be available on the Army Corps of Engineers website.

Middlebury Army Corps of Engineers Middlebury CT 100 Allerton Farms Road 06762 203-758-1723

Naugatuck Army Corps of Engineers Naugatuck CT Connecticut 63 06770 203-729-8840