ADU Rules: Pasadena vs Severna Park
How do adu rules rules compare between Pasadena, MD and Severna Park, MD?
Pasadena and Severna Park have similar restriction levels.
Pasadena, MD
Anne Arundel County
Anne Arundel County updated its ADU rules in 2023 to allow ADUs in most residential districts without additional parking requirements. ADUs require a building permit and must not exceed 800 sq ft or 50% of the primary dwelling. No parking requirement for most ADUs.
View full Pasadena rules →Severna Park, MD
Anne Arundel County
Anne Arundel County allows ADUs in all residential districts except R22 under Bill 6-23. Detached ADUs are limited to 800 sq ft or 50% of main dwelling. No additional parking is required. Impact fees are waived. Short-term rental of an ADU requires the owner to live on site.
View full Severna Park rules →Key Facts Comparison
| Fact | Pasadena | Severna Park |
|---|---|---|
| Max Size | 800 sq ft or 50% primary dwelling | 800 sq ft or 50% of main dwelling |
| Parking | No extra parking required (most zones) | No additional parking required |
| Fire Separation | 1-hour wall if no connection to primary | - |
| Excluded Zones | R22 and some Critical Area zones | - |
| Permitted | - | All residential districts except R22 |
| Impact Fees | - | Waived under Bill 6-23 |
| STR Rule | - | Owner must live on site for STR |
Highlighted rows indicate differences between cities.
Pasadena FAQ
Can I build an ADU in Anne Arundel County?
Yes in most residential zones after the 2023 update. ADUs are permitted up to 800 sq ft with a building permit. No extra parking required.
Can I rent my ADU to someone other than family?
Yes. Anne Arundel County allows non-family ADU rentals. Non-owner-occupied STR registration applies if rented short-term.
Severna Park FAQ
Can I build an ADU on my property in Severna Park?
Anne Arundel County allows ADUs in all residential districts except R22 under Bill 6-23. Detached ADUs are limited to 800 sq ft or 50% of main dwelling. No additional parking is required. Impact fees are waived. Short-term rental of an ADU requires the owner to live on site.
What are the size limits for an accessory dwelling unit in Severna Park?
Permitted: All residential districts except R22. Max Size: 800 sq ft or 50% of main dwelling. Parking: No additional parking required. Impact Fees: Waived under Bill 6-23.
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