Andover
Essex County · Pop. 36,569
Andover has approved 9 of 10 ADU applications (90% approval rate) and has 5 of 8 bylaw provisions consistent with state law.
Based on 9 approved ADU applications and 36,569 residents
Permits
10 applications since the ADU law took effect in Feb 2025
| Address | Type | Status | Value |
|---|---|---|---|
| Holt Rd | Internal | Issued | $150,000 |
| Judson Rd | Attached | Issued | $175,000 |
| Kathleen Dr | Attached | Withdrawn | — |
| Starwood Crossing | Attached | Issued | $450,000 |
| Chestnut St | Attached | Stopped | $810,000 |
Bylaw Consistency
Andover’s ZBA site plan review is the main friction point — it’s not a special permit, but it adds time, cost, and unpredictability. ADUs are allowed by right, but expect the review process to take longer than towns without ZBA involvement.
Provision-by-provision analysis available
We've mapped 8 provisions in Andover against Chapter 150. See which specific bylaw sections appear inconsistent with state law.
See full compliance analysisCost Snapshot
Based on 7 permitted ADU projects in Andover
Try the full cost estimatorADU Impact on Housing Production
In 2024, Andover issued 12 total residential building permits. In the first year of the ADU law, 9 ADU permits were approved — equivalent to 75% of prior-year housing production.
Source: Census Bureau (2024) via UMass Donahue Institute; EOHLC ADU Survey (2025)
How Andover Compares
Next Steps
Sources: EOHLC ADU Survey 2025. Individual permit records from municipal building department. Population estimates from 2024 Census ACS.
Disclaimer: ADU Pulse provides data for informational purposes only. It does not constitute legal, financial, or construction advice.Bylaw consistency analysis reflects our interpretation of public records and may not reflect the most current local amendments.
See methodology for details on data collection, scoring, and consistency analysis.