Question 1

Can I build an ADU in Brookline?

Accepted Answer

Many zones in Brookline allow ADUs by right under local ADU regulations. Click any zone on the map to check eligibility.

Question 2

How do I check zoning in Brookline?

Accepted Answer

Use the interactive map above — click any of the color-coded zones in Brookline to see dimensional standards, ADU eligibility, and setbacks. You can also search by address using the search bar above the map.

Question 3

Do I need a variance for an ADU in Brookline?

Accepted Answer

Many residential zones in Brookline allow ADUs by right meaning no variance or special permit is needed.

Question 4

Can I rent out my ADU in Brookline?

Accepted Answer

Many municipalities allow ADUs in residential zones. Check your local ordinances for owner-occupancy requirements and short-term rental regulations (Airbnb, VRBO), which are governed separately by municipal ordinance.

Question 5

Which Brookline zones allow ADUs without a hearing?

Accepted Answer

Residential zones may allow ADUs by right — no planning board hearing required. Click any zone on the map for details.

Question 6

Do ADUs have different setback requirements in Brookline?

Accepted Answer

Setback requirements vary by zone in Brookline — click any zone on the map to see its specific front, side, and rear setback distances. ADUs typically must meet the same setbacks as the primary structure.

Question 7

Can I convert my garage to an ADU in Brookline?

Accepted Answer

In zones that permit ADUs by right under local ADU regulations, garage conversions are generally allowed.

Question 8

What is the difference between ADU by right and by special permit?

Accepted Answer

"By right" means your ADU is approved administratively — you submit plans, meet dimensional standards, and receive a building permit without a public hearing. "By special permit" requires a planning board hearing where neighbors can comment, and approval may include conditions. Many states have established ADU by-right through legislation, simplifying the process for most homeowners. Most zones in our coverage area allow ADUs by right, simplifying the process.

What Can I Build Here? Interactive Zoning Map

Brookline Zoning Districts