New Haven County, Connecticut property search
Search an address or an owner in New Haven County, Connecticut with the box at the top of the map, or tap a lot, for its owner, lines and acreage. 284,322 lots are mapped here, covering 345,334 acres. 40,857 of them are held by institutions rather than by individuals.
Farmers and landowners in New Haven County received $5.2 million in federal farm program payments in 2025, paid to 69 recipients. 113 acres of agricultural land here are disclosed as foreign-held, the most by owners from Italy.
- 284,322
- Lots mapped
- 345,334
- Acres
- 40,857
- Institutional
Land use in New Haven County
Parcels and acreage by land use in New Haven County, Connecticut| Land use | Parcels | Acres |
|---|
| Residential | 98,163 | 78,765 |
|---|
| Single Family | 29,882 | 24,031 |
|---|
| SINGLE FAM MDL-01 | 19,063 | 9,983 |
|---|
| Res Dwelling | 14,393 | 20,484 |
|---|
| Res Impr | 14,316 | 5,457 |
|---|
| Single Fam M01 | 13,415 | 6,774 |
|---|
| Single Fam MDL-01 | 10,202 | 2,157 |
|---|
| Condo | 6,576 | 0 |
|---|
| Single Fam MDL01 | 6,296 | 3,723 |
|---|
| Commercial | 5,962 | 30,930 |
|---|
| Two Family | 5,945 | 1,451 |
|---|
| Vacant Land | 5,417 | 25,261 |
|---|
Largest landowners in New Haven County
Largest landowners by acreage in New Haven County, Connecticut| Owner | Parcels | Acres |
|---|
| STATE OF CONNECTICUT | 439 | 4,971 |
|---|
| CONNECTICUT STATE OF | 181 | 4,907 |
|---|
| RIVERVIEW MOBILE HOME ESTATES LLC | 145 | 3,843 |
|---|
| CONN STATE OF | 65 | 3,645 |
|---|
| SO CENTRAL REGIONAL WATER AUTHORITY | 65 | 3,271 |
|---|
| SO CENTRAL CONN REGIONAL WATER AUTHORITY | 26 | 3,104 |
|---|
| GUILFORD LAND CONS TRUST INC | 221 | 2,882 |
|---|
| VALLEY MOBILE HOME PARK LLC | 105 | 2,730 |
|---|
| TOWN OF WALLINGFORD | 178 | 2,703 |
|---|
| CITY OF WATERBURY | 600 | 2,669 |
|---|
Companies, trusts and public agencies, ranked by acres held under the name on the assessor's file. Private individuals are not ranked. Largest landowners in Connecticut
Federal farm payments in New Haven County
- $5.2M
- Paid in 2025
- 69
- Recipients
Federal farm program payments by program in New Haven County, Connecticut, 2025| Program | Paid |
|---|
| Marketing Assistance for Specialty Crops | $5.1M |
|---|
| Emergency Assist Livestock Bees Fish ELAP | $81K |
|---|
| Emergency Commodity Assistance Program | $18K |
|---|
| Non-Insured Assistance Program | $5K |
|---|
USDA Farm Service Agency payment files, 2025. Compare farm subsidies by county
Foreign-held farmland in New Haven County
- 113
- Acres disclosed
- 2
- Holdings
Foreign-held agricultural land by country in New Haven County, Connecticut, 2024| Country | Acres |
|---|
| Italy | 113 |
|---|
Largest disclosed holders
Largest foreign holders of agricultural land in New Haven County, Connecticut| Holder (country) | Acres |
|---|
| KINNEYTOWN HYDRO COMPANY, INC. (ITALY) | 113 |
|---|
USDA Agricultural Foreign Investment Disclosure Act filings, holdings at the end of 2024. Only disclosed interests are counted. See foreign-owned farmland by county
Conservation and the power grid
- 62
- Substations
- 3
- 345 kV and up
- 345 kV
- Highest voltage
Conservation Reserve Program acres under contract (USDA FSA). Substations in service, from a public copy of the federal HIFLD layer.
Find out who owns a property in New Haven County by address, free, or work out a lot's acreage.
This copy of New Haven County's records was taken on August 10, 2026. Assessment records, not a survey.