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Stacked Multifamily ADU Rental in Carlsbad Coastal Zone

Chestnut Avenue, Carlsbad, CA

Homeowner Story: Generate rental income

Special Circumstance: Coastal Zone, Multiple ADUs

Status: Permitting
4 Bed
4 Bath
1860 ft 2
Two Story

The owner of this multifamily property in Carlsbad is building two stacked ADUs to increase rental income from his property. Each unit is 2BR/2BA and 930 square feet. Our standard 2BR/2BA plan was modified down to fit the lot constraints.

Floor Plan:

2BR/2BA 32×30 Square

This 2BR unit features a large primary suite with walk-in-closet and large bath. The additional bedroom also has ample closet space and bath access. The great room features a sliding door and many windows. A large kitchen with optional 8′ island make this unit great for entertaining.

Build Cost: $335K
View Floor Plan


The Carlsbad ADU Guide

Several SnapADU team members live in Carlsbad, and we know the city’s regulations and processes very well. Turnaround times at the city are moderate. Carlsbad requires in-person submissions as well as soils reports (>500 sqft), both of which do add some processing time and expense. Also, some of Carlsbad is in the coastal zone and minor use permits are required in those areas.

What about Carlsbad’s Accessory Dwelling Unit Permit Ready Program?

You may have heard about the City of Carlsbad’s permit ready ADU program. Under the program, the city offers a handful of floor plans that may be used by the public.

However, these plans require property-specific modifications and additional documentation to meet full permitting requirements. While initially seeming cost-effective, pre-approved plans may not offer significant savings due to construction costs and potential design adjustments needed for your specific site. To our knowledge, the permitting time for these plans is also not any different than other ADU plans.

For a detailed exploration of using pre-approved ADU plans and their implications, read more about the considerations for using pre-approved ADU plans from cities.

Learn more about building an ADU in Carlsbad