Northbrook Addition Market Overview
Northbrook's addition permit activity is currently slowing, with 0 permits filed in the last 30 days compared to 4 in the prior 30-day window. On average, 2.5 addition permits are filed per month here based on the last six months of data. The most active addition contractors in Northbrook include MACH 1, INC, ARCHADECK OF CHICAGOLAND, THE EMJAY GROUP.
Recent Addition Permits in Northbrook
| Date | Address | Description | Est. Value | Status |
|---|---|---|---|---|
| 2026-06-30 | 3154 VIOLET LN | SFR ADDITION | $550,000 | PENDING |
| 2026-06-29 | 1043 WHITFIELD RD | SFR ADDITION | $420,000 | PENDING |
| 2026-06-22 | 4016 RUTGERS LN | SFR ADDITION | $150,000 | PENDING |
| 2026-06-08 | 2168 ASH LN | SFR ADDITION | $267,000 | PENDING |
| 2026-06-03 | 1551 ELM AVE | SFR ADDITION | $300,000 | PENDING |
| 2026-05-22 | 1705 FERNDALE AVE | SFR ADDITION | $80,000 | PENDING |
| 2026-05-14 | 3251 PRESTWICK LN | SFR ADDITION | $251,000 | PENDING |
| 2026-05-11 | 945 HAWTHORNE LN | SFR ADDITION | $375,000 | PENDING |
| 2026-04-24 | 1960 THORNWOOD LN | SFR ADDITION | $160,000 | OPEN |
| 2026-04-20 | 1743 HAPP RD | SFR ADDITION | $130,000 | OPEN |
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Start Free →Frequently Asked Questions
How many Addition permits are filed in Northbrook per month?
Northbrook averages approximately 27 addition permits per month based on recent permit data collected by PermitGrab.
What types of Addition work require permits in Northbrook?
In Northbrook, permits are typically required for building addition permits including home extensions, room additions, and property expansions. Always check with Northbrook's building department for specific requirements.
How can I find Addition leads in Northbrook?
PermitGrab provides daily updates of all addition permits filed in Northbrook, complete with addresses, project values, and lead scoring to help addition contractors find new jobs before the competition.
How quickly are Addition permits updated on PermitGrab?
Permits are collected daily from Northbrook's open data portal and available on PermitGrab within 24 hours of filing.