Building permit data
AvailableMiddlesex County, New Jersey building permits
252,664 permits from Middlesex County’s building department since 1985 — type, status, job value, contractor, dates and parcel id. Full history for $500, or the past 12 months for $75/mo.
- Permits
- 252,664
- Permit history
- 1985–2026
- Past 12 months
- 29,487
- Last collected
- Oct 20, 2026
Permits by year
By issue date (application date where no issue date), 2012–2026.
025K50K
44.9K
201220152018202120242026*
View as tableHide table
| Year | Permits |
|---|---|
| 2012 | 600 |
| 2013 | 1,008 |
| 2014 | 1,062 |
| 2015 | 987 |
| 2016 | 956 |
| 2017 | 1,016 |
| 2018 | 981 |
| 2019 | 1,410 |
| 2020 | 2,446 |
| 2021 | 29,177 |
| 2022 | 44,931 |
| 2023 | 42,339 |
| 2024 | 42,549 |
| 2025 | 40,229 |
| 2026 (YTD) | 21,746 |
Most common permit types
As the department classifies them.
- 06230.7K
- 047.9K
- 057.6K
- 136.5K
Field coverage
Share of records with each column populated.
- Permit numberpermit_number100%
- Permit typepermit_type100%
- Work descriptionwork_description0%
- Statuspermit_status100%
- Application dateapplication_date0%
- Issue dateissue_date100%
- Completion datecomplete_date0%
- Expiration dateexpiration_date0%
- Site addressaddress0%
- Parcel identifierparcel_id100%
- Job valuevaluation98%
- Contractorcontractor0%
Parcel identifier kinds
- Parcel number 252.7K
Sample records
8 real records from the file — its fullest, newest first.
| Permit # | Type | Status | Issued | Parcel ID | ID kind | Job value |
|---|---|---|---|---|---|---|
| 30314041 | 06 | P | Aug 6, 2026 | 1216-00154-00016 | Parcel number | $2,400 |
| 30313968 | 06 | P | Aug 5, 2026 | 1216-00448-00001 | Parcel number | $10,000 |
| 30313970 | 06 | P | Aug 5, 2026 | 1216-00153-00001 | Parcel number | $15,750 |
| 30314030 | 06 | P | Aug 5, 2026 | 1216-00438-00021 | Parcel number | $1,000 |
| 10024203 | 06 | P | Aug 5, 2026 | 1205-00842-00010 | Parcel number | $2,409 |
| 10024190 | 06 | P | Aug 5, 2026 | 1205-00241-13.02 | Parcel number | $1,980 |
| 10024189 | 06 | P | Aug 5, 2026 | 1205-783.01-00019 | Parcel number | $6,100 |
| 10024187 | 06 | P | Aug 5, 2026 | 1205-440.02-00002 | Parcel number | $34,024 |
Sources
Collected from 6 datasets published by Middlesex County.
- Unnamed layernj dca · historical archive32,746 rows
- Unnamed layernj dca · historical archive31,599 rows
- Unnamed layernj dca · historical archive24,630 rows
- Unnamed layernj dca · historical archive24,187 rows
- Unnamed layernj dca · historical archive23,510 rows
- Unnamed layernj dca · historical archive18,511 rows
Why rows, not permits?Hide
A department can publish the same permit in more than one dataset — a current feed and an archive, or one row per inspection. The permit count above counts each permit number once.