Connecticut had 72 Opportunity Zones designated in 2018. Treasury lists 243 Connecticut census tracts as eligible for the 2027 round. No 2027 nomination or designation list for Connecticut was published in an official source as of Oct 30, 2026.
- 2018 zones
- 72
- Of which rural
- 11
- Eligible for 2027
- 243
- Most it can designate
- 61
- 2027 status
- No list published
- 2018 Opportunity Zone
- Eligible for the 2027 round
- Nominated for 2027
- Certified for 2027
What changes for Connecticut in 2027
The 2018 designations stay in effect through December 31, 2028. New designations take effect January 1, 2027 and run ten years. The state may designate at most 61 of its 243 eligible tracts. Read how the 2027 round works and how a tract qualifies.
Counties
| County | 2018 zones | Eligible for 2027 | Eligible, rural |
|---|---|---|---|
| Hartford County | 23 | 0 | 0 |
| New Haven County | 19 | 0 | 0 |
| Fairfield County | 17 | 0 | 0 |
| New London County | 7 | 0 | 0 |
| Middlesex County | 2 | 0 | 0 |
| Windham County | 2 | 0 | 0 |
| Litchfield County | 1 | 0 | 0 |
| Tolland County | 1 | 0 | 0 |
| Capitol Planning Region | 0 | 72 | 2 |
| Greater Bridgeport Planning Region | 0 | 41 | 0 |
| South Central Connecticut Planning Region | 0 | 40 | 0 |
| Western Connecticut Planning Region | 0 | 32 | 0 |
| Naugatuck Valley Planning Region | 0 | 25 | 0 |
| Southeastern Connecticut Planning Region | 0 | 17 | 17 |
| Northwest Hills Planning Region | 0 | 7 | 7 |
| Lower Connecticut River Valley Planning Region | 0 | 5 | 0 |
| Northeastern Connecticut Planning Region | 0 | 4 | 4 |
2018 zone tracts, by county
Fairfield County 17
Hartford County 23
- Tract 09003406100
- Tract 09003415300
- Tract 09003415900
- Tract 09003417100
- Tract 09003473800
- Tract 09003496100
- Tract 09003500300
- Tract 09003500400
- Tract 09003502500
- Tract 09003502700
- Tract 09003502800
- Tract 09003503700
- Tract 09003503800
- Tract 09003504900
- Tract 09003510200
- Tract 09003510400
- Tract 09003510500
- Tract 09003510600
- Tract 09003510800
- Tract 09003514500
- Tract 09003514700
- Tract 09003524400
- Tract 09003524600
Litchfield County 1
Middlesex County 2
New Haven County 19
- Tract 09009125200
- Tract 09009140200
- Tract 09009140300
- Tract 09009141500
- Tract 09009141600
- Tract 09009142200
- Tract 09009142300
- Tract 09009142400
- Tract 09009154100
- Tract 09009154500
- Tract 09009165500
- Tract 09009170100
- Tract 09009170200
- Tract 09009170900
- Tract 09009345100
- Tract 09009350100
- Tract 09009350500
- Tract 09009351500
- Tract 09009351700
New London County 7
Tolland County 1
Windham County 2
State income tax treatment of Opportunity Zone gains varies; see state tax conformity.
Data sources
- IRS Notice 2018-48 - Designated Qualified Opportunity Zones (official list) (retrieved Oct 30, 2026)
- IRS Notice 2019-42 - Amplification of Notice 2018-48 (two added Puerto Rico QOZs) (retrieved Oct 30, 2026)
- CDFI Fund - Designated Qualified Opportunity Zones (list updated Dec 14, 2018) (retrieved Oct 30, 2026)
- IRS Notice 2025-50 - 2018 QOZs comprised entirely of a rural area (Appendix) (retrieved Oct 30, 2026)
- IRS Rev. Proc. 2026-14 - Nomination of 2027 QOZs (retrieved Oct 30, 2026)
- IRS Rev. Proc. 2026-14 Appendix - LICs eligible for nomination as 2027 QOZs (retrieved Oct 30, 2026)
- Treasury OTA - Eligible LICs for Nomination as 2027 QOZs, data transparency file (Sept 2026) (retrieved Oct 30, 2026)
- Treasury OTA - Eligibility Criteria for 2027 QOZs (Sept 2026) (retrieved Oct 30, 2026)
- Census Bureau 2020 Census Tract to 2010 Census Tract Relationship File (national) (retrieved Oct 30, 2026)
- ACS 2020-2024 5-year, B19113 Median family income (retrieved Oct 30, 2026)
- ACS 2020-2024 5-year, B17001 Poverty status in the past 12 months (retrieved Oct 30, 2026)
Every source file, with its retrieval date and checksum, is listed in sources.json.
Common questions
How many Opportunity Zones are in Connecticut?
Connecticut had 72 census tracts designated as Opportunity Zones in 2018, of which 11 are on the IRS list of rural zones (Notice 2025-50). Those designations run through December 31, 2028.
Which Connecticut tracts are eligible for the 2027 Opportunity Zone round?
Treasury lists 243 Connecticut census tracts as eligible for designation in the 2027 round under the new low-income community test. No 2027 nomination or designation list for Connecticut was published in an official source as of Oct 30, 2026.
How do I check whether a Connecticut property is in an Opportunity Zone?
Use the address lookup on this site. It geocodes the address with the Census Bureau and checks it against both the 2018 zones and the 2027 list, and links the official source for each answer.