New Haven County
Parcel & Property Data
About This Data
LandBrief holds 29,312 parcel records for New Haven County, sourced from county records. Each includes the parcel boundary, and — where the county publishes them — owner, situs address, acreage, assessed values and legal description.
Data from the New Haven County assessor roll dated April 2017, loaded August 2026. See data sources for every county’s vintage.
Explore New Haven County
New Haven County by the Numbers
- Median parcel size
- 0.19 acres
measured from mapped boundaries - 90th-percentile parcel
- 0.53 acres
- Communities
- 4
0.2% of parcels outside any incorporated place - Out-of-state owners
- 6.4% of parcels
by owner mailing address
Who Owns New Haven County?
Share of the county’s 29,312 parcels by the kind of owner on record. Classified from owner names, so the boundaries are approximate; an entity the rules cannot place counts as an individual.
| Owner type | Share of parcels |
|---|---|
| Individuals | 81.0% |
| Companies & organizations | 14.2% |
| Trusts & estates | 1.4% |
| Government | 2.6% |
| Other / unclassified | 0.7% |
The largest owner on record is CITY OF WATERBURY with 581 parcels — see the full landowner leaderboard.
Parcel Records (~29,312 total)
| Parcel ID | Owner | Address | City | Acreage |
|---|---|---|---|---|
| 000709830001 | MATTATUCK STATE FOREST | — | Waterbury | 320.40 |
| 055611760001 | UNITED STATES OF AMERICA | — | Waterbury | 285.00 |
| 055611760001 | UNITED STATES OF AMERICA | — | Waterbury | 285.00 |
| 038606660039 | COUNTRY CLUB OF WTBY | — | Waterbury | 214.78 |
| 038606660039 | COUNTRY CLUB OF WTBY | — | Waterbury | 214.78 |
| 038606660039 | COUNTRY CLUB OF WTBY | — | Waterbury | 214.78 |
| 052411630032 | CITY OF WATERBURY | — | Waterbury | 168.50 |
| 028800810162 | DRUBNER NORMAN S TRUSTEE | — | Waterbury | 134.00 |
| 028800810162 | DRUBNER NORMAN S TRUSTEE | — | Waterbury | 134.00 |
| 028800810162 | DRUBNER NORMAN S TRUSTEE | — | Waterbury | 134.00 |
Nearby counties
Frequently Asked Questions
How many parcels are in New Haven County?
The New Haven County assessor roll on file records 29,312 parcels across 4 communities, with 0.2% lying outside any incorporated place.
Who owns the most land in New Haven County?
CITY OF WATERBURY holds 581 parcels, the most of any owner on record — the largest-landowners leaderboard ranks the top 25.
What is the typical parcel size in New Haven County?
Measured from mapped boundaries, the median parcel is 0.19 acres, and nine parcels in ten are under 0.53 acres. Boundary-measured area closely tracks deeded acreage but is not the deed.
How much of New Haven County is owned from out of state?
6.4% of parcels list an owner mailing address outside CT, per the county’s own records.
How much of New Haven County is government-owned?
Government entities — federal, state, and local — hold 2.6% of the county’s parcels, classified from owner names on the roll.
How current is this data?
It comes from the New Haven County assessor roll dated April 2017. Counties deliver on their own schedules; the methodology page explains how records are processed and the data sources page tracks every county’s vintage.
Browse by City (4)
29,312 parcels across 4 communities in New Haven County.