ADU Regulations

Bonita ADU Regulations: Your Guide to Building an ADU in Bonita

March 28, 2024

8 min read

For homeowners aiming to build an ADU in Bonita, mastering the specific ADU regulations is essential.

Introduction

Understanding local Accessory Dwelling Unit (ADU) regulations in Bonita is crucial for homeowners considering an ADU project. This knowledge ensures your project adheres to legal standards, optimizes property use, and enhances value. Bonita’s regulations are designed to accommodate homeowners’ needs while maintaining community standards and property aesthetics.

Essential ADU Rules for Bonita

What you can build

Maximum Sizes
Detached ADUs can be up to 1,200 square feet. Attached ADUs are limited to 50% of the primary residence's size, with a maximum of 1,200 square feet.
Setbacks
Minimum setback of 4 feet from side and rear property lines.
Two-Story
Two-story ADUs are allowed, with a height cap of 24 feet.
Building Separation
Minimum 6 feet distance of 6 feet, with 4 feet eave to eave, is required.

Permitting timeline

Permitting Timeframe
4-6 months.
Coastal
Not required.

Bonita ADU Regulatory Overview

Bonita’s ADU regulations, aligned with San Diego County’s broader goals, aim to ease the housing crisis by integrating ADUs into the urban fabric efficiently and sustainably. Zoning laws favor ADU and JADU construction across various property types, with design criteria emphasizing compatibility with existing structures and neighborhood character. Building standards ensure safety, privacy, and accessibility, with special considerations for environmentally sensitive areas and historic districts.

Bonita ADU Permitting Process

The ADU permitting process in Bonita involves:

Initial Consultation

Understand zoning requirements and potential constraints by consulting with local planning authorities.

Plan Development

Draft your ADU plans in alignment with local codes, considering size, design, and utility connections.

Document Preparation

Gather necessary documents, including site plans, architectural drawings, and property deeds.

Submission

Submit your application along with the required documents and fees to the local building department.

Review and Approval

The application undergoes a review for compliance with zoning and building codes. This may involve revisions and resubmissions until all criteria are met.

Inspection

Following approval, construction can commence, subject to inspections during and after completion to ensure adherence to approved plans and codes.

ADU Local Zoning in Bonita

A single-family property in Bonita can host one ADU and, if the property is owner-occupied, one Junior ADU (JADU) as well.

Yes, multifamily properties in Bonita can construct up to two detached ADUs and are also allowed to convert up to 25% of existing multifamily units into ADUs through the conversion of non-livable spaces.

The required separation is 6 feet, with specific eave-to-eave distances also regulated to ensure adequate space between buildings.

There is no minimum lot size requirement for constructing an ADU in Bonita, facilitating the addition of ADUs on various property sizes.

Setback requirements for new ADUs require a minimum of 4 feet from side and rear property lines.

ADU Building Codes in Bonita

Yes, Bonita permits the construction of two-story ADUs, subject to height restrictions and other local zoning laws.

This is subject to local zoning ordinances and building codes, typically involving privacy and safety considerations.

ADUs must comply with local building codes and aesthetics, including materials and design compatibility.

Yes, ADUs can have separate mailing addresses, facilitating rental arrangements and utility billing.

While not explicitly mentioned, a soils report may be required to ensure ground suitability and inform the foundation’s design.

Yes, stormwater mitigation measures are required for ADUs in Bonita to manage runoff and support sustainable water management practices.

Finalizing Your ADU in Bonita

The submission process for ADU development in Bonita requires in-person plan submission, possibly accompanied by a building verification survey. Though Coastal Development Permits are not required, addressing stormwater management and adhering to parking regulations is critical. Utilities for ADUs can typically connect to those of the primary residence, with separate meters as an option for easier management. ADUs offer versatility in use, from rental income generation to expanding living space, making understanding these aspects pivotal for successful integration into your property.

Calculate Your Bonita ADU Cost

Using the tool below, you will be able to calculate your investment based on the type and size of the ADU you are interested in building on your property.

Attached ADU

400 sqft

Estimated Cost

$136956

*The costs we are calculating here are an average for time and materials. This calculator is meant to provide an estimate to educate you on the ADU building process, please note that this is not a final quote.

Detached ADU

400 sqft

Estimated Cost

$140360

Garage ADU

400 sqft

Estimated Cost

$133992

Get Started

Summary

Successfully navigating ADU regulations in Bonita can significantly enhance your property’s value and functionality. With the right approach, homeowners can add a valuable asset while contributing to the broader housing solution. Consulting with local planning authorities or legal professionals remains vital for tailored advice and ensuring compliance with the latest regulations, allowing your ADU project to flourish.