Middlesex County, Massachusetts Opportunity Zone census tracts
Updated
Middlesex County, Massachusetts has 50 census tracts eligible for OZ 2.0 and 22 2020 tracts fully or partly in a current (2018) Opportunity Zone. Massachusetts has filed OZ 2.0 nominations with Treasury but has not published a tract-level list we could verify. Sources: IRS Rev. Proc. 2026-14 appendix (eligibility) and the CDFI Fund 2018 list (current zones).
| 3101.01 | 25017310101 | Yes | Yes | State filed; tract list not published |
| 3101.02 | 25017310102 | Yes | Yes | State filed; tract list not published |
| 3102 | 25017310200 | Yes | No | State filed; tract list not published |
| 3103 | 25017310300 | Yes | No | State filed; tract list not published |
| 3104 | 25017310400 | Yes | No | State filed; tract list not published |
| 3105 | 25017310500 | Yes | No | State filed; tract list not published |
| 3107 | 25017310700 | Yes | No | State filed; tract list not published |
| 3111 | 25017311100 | Yes | No | State filed; tract list not published |
| 3112 | 25017311200 | Yes | No | State filed; tract list not published |
| 3113 | 25017311300 | Yes | No | State filed; tract list not published |
| 3116 | 25017311600 | No | Yes | Not eligible |
| 3117 | 25017311700 | No | Yes | Not eligible |
| 3118 | 25017311800 | Yes | Yes | State filed; tract list not published |
| 3119 | 25017311900 | Yes | Yes | State filed; tract list not published |
| 3120 | 25017312000 | Yes | No | State filed; tract list not published |
| 3121 | 25017312100 | Yes | No | State filed; tract list not published |
| 3122 | 25017312200 | Yes | No | State filed; tract list not published |
| 3124 | 25017312400 | Yes | No | State filed; tract list not published |
| 3141.02 | 25017314102 | Yes | No | State filed; tract list not published |
| 3212 | 25017321200 | No | Yes | Not eligible |
| 3213.01 | 25017321301 | Yes | Yes | State filed; tract list not published |
| 3213.02 | 25017321302 | No | Yes | Not eligible |
| 3397 | 25017339700 | No | Yes | Not eligible |
| 3400 | 25017340000 | Yes | No | State filed; tract list not published |
| 3412 | 25017341200 | Yes | Yes | State filed; tract list not published |
| 3413.01 | 25017341301 | No | Partly | Not eligible |
| 3413.02 | 25017341302 | No | Yes | Not eligible |
| 3418 | 25017341800 | Yes | No | State filed; tract list not published |
| 3419.01 | 25017341901 | Yes | No | State filed; tract list not published |
| 3419.04 | 25017341904 | Yes | No | State filed; tract list not published |
| 3421.02 | 25017342102 | Yes | No | State filed; tract list not published |
| 3422.01 | 25017342201 | Yes | No | State filed; tract list not published |
| 3424.01 | 25017342401 | Yes | Yes | State filed; tract list not published |
| 3424.02 | 25017342402 | Yes | Yes | State filed; tract list not published |
| 3425.01 | 25017342501 | Yes | No | State filed; tract list not published |
| 3425.02 | 25017342502 | Yes | No | State filed; tract list not published |
| 3426 | 25017342600 | Yes | No | State filed; tract list not published |
| 3501.05 | 25017350105 | No | Yes | Not eligible |
| 3501.06 | 25017350106 | No | Yes | Not eligible |
| 3501.07 | 25017350107 | Yes | No | State filed; tract list not published |
| 3501.08 | 25017350108 | Yes | No | State filed; tract list not published |
| 3506 | 25017350600 | Yes | No | State filed; tract list not published |
| 3507.02 | 25017350702 | Yes | No | State filed; tract list not published |
| 3515 | 25017351500 | Yes | Yes | State filed; tract list not published |
| 3522 | 25017352200 | Yes | No | State filed; tract list not published |
| 3524 | 25017352400 | Yes | No | State filed; tract list not published |
| 3526 | 25017352600 | Yes | No | State filed; tract list not published |
| 3531.02 | 25017353102 | Yes | No | State filed; tract list not published |
| 3539 | 25017353900 | Yes | No | State filed; tract list not published |
| 3549.01 | 25017354901 | No | Yes | Not eligible |
| 3549.02 | 25017354902 | Yes | Yes | State filed; tract list not published |
| 3689.02 | 25017368902 | Yes | No | State filed; tract list not published |
| 3703.02 | 25017370302 | Yes | No | State filed; tract list not published |
| 3831.01 | 25017383101 | Yes | Yes | State filed; tract list not published |
| 3831.02 | 25017383102 | Yes | Yes | State filed; tract list not published |
| 3833 | 25017383300 | Yes | No | State filed; tract list not published |
| 3834.01 | 25017383401 | Yes | No | State filed; tract list not published |
| 3834.02 | 25017383402 | Yes | No | State filed; tract list not published |
| 3835.01 | 25017383501 | Yes | No | State filed; tract list not published |
| 3883 | 25017388300 | Yes | No | State filed; tract list not published |
Check a street address with the OZ 2.0 eligibility checker · All Massachusetts counties · Massachusetts OZ 2.0 page · Nomination tracker
FAQ
Which Middlesex County, Massachusetts census tracts are Opportunity Zones?
Middlesex County, Massachusetts has 50 census tracts eligible for OZ 2.0 and 22 2020 tracts fully or partly in a current (2018) Opportunity Zone. Massachusetts has filed OZ 2.0 nominations with Treasury but has not published a tract-level list we could verify. The table lists each tract with its GEOID.
Is an eligible tract an Opportunity Zone?
Not yet. Eligible tracts can be nominated by the governor; certified OZ 2.0 designations take effect January 1, 2027. Current (2018) zones remain in effect through December 31, 2026 for new investments under the original rules.
2018 zones were matched from 2010 to 2020 tracts (how we match). Not tax advice.