ADUs Allowed in Modesto

Modesto ADU Regulations & Building Guide

Yes, you can build an ADU in Modesto! California state law guarantees your right to add an accessory dwelling unit to your property. Here's everything you need to know about local requirements and regulations.

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ADU Friendliness ADU-Friendly

Based on local permitting speed, fee structures, and additional regulations beyond state requirements.

What You Can Build

  • 1 ADU + 1 JADU Per single-family lot
  • Up to 1,200 sq ft Maximum ADU size
  • 16 ft height Detached ADU limit
  • No parking required Near transit (1/2 mile)
10,639 Population
$54,057 Median Household Income

About Modesto

Modesto, located in the heart of California's Central Valley, is a vibrant city that showcases the perfect blend of urban and rural charm. With a population exceeding 200,000, Modesto proudly embraces its agricultural roots while also embracing modern advancements in various industries such as manufacturing, healthcare, and technology.This city boasts a rich heritage that can be seen in its diverse population and cultural offerings. Modesto is home to a melting pot of different ethnicities, making it a truly multicultural community. Visitors and residents alike can experience a wide range of cuisines, festivals, and traditions that reflect the city's vibrant tapestry of cultures.When it comes to architecture, Modesto seamlessly blends historic and contemporary designs. From charming Victorian-style homes to sleek modern buildings, the city's skyline is a testament to its ever-evolving nature. The majority of residences in Modesto are single-family dwellings, providing a sense of community and a welcoming atmosphere.Modesto's economy thrives on its strong ties to agriculture, with vast farmlands surrounding the city. The region is known for its production of crops such as almonds, walnuts, and dairy products. Additionally, Modesto has made significant strides in the manufacturing and technology sectors, offering job opportunities and innovation.Whether you're exploring the city's rich history, indulging in its diverse culinary scene, or enjoying the natural beauty of the surrounding landscapes, Modesto offers something for everyone. Come and experience the unique blend of urban and agrarian charm that makes this city truly special.

Modesto ADU Regulations

Modesto, CA ADU Guidelines: Single-family homes in Modesto, CA can incorporate Accessory Dwelling Units (ADUs) under the California Government Code Section 65852.2. They can be established through conversions like garages or as new structures, either attached or detached. Key points include:

  • Owner-Occupancy: Not necessary for ADUs permitted from Jan 1, 2020, to Dec 31, 2024.
  • ADU Count: 1 ADU per property; an additional Junior ADU if owner-occupied.
  • Size Constraints: Range between 150 sf to 800 sf. Local specifics could differ.
  • Height Restrictions: Detached ADUs go up to 16 feet, 25 feet if attached. No height constraint for conversions.
  • Parking: Limited to 1 space per bedroom. Exemptions apply within a 1/2 mile radius of public transit or if parking structures are repurposed.
  • Setbacks: 4 feet for rear and interior sides. Front or street sides may vary. Conversions are exempt.
  • Fire Safety: ADUs are exempt from sprinkler requirements if the primary residence is too.
  • Permit Timeline: A 60-day cap on the review period for permit applications.
  • Fees: ADUs below 750 sf aren't subject to impact fees.
  • Rental Period: ADUs must be rented for over 30 days.
  • Existing Non-Conformities: ADU permit approval doesn't require rectification of nonconforming zoning conditions.

Your Rights Under California Law

This information is for informational purposes only and does not constitute legal advice. Consult a qualified attorney for legal guidance.

California law (AB 68, AB 881, SB 9, and subsequent legislation) guarantees your right to build ADUs. Cities cannot:

  • Require owner-occupancy for ADUs permitted after 2020
  • Require additional parking for ADUs near transit
  • Charge impact fees for ADUs under 750 sq ft
  • Deny ADUs that meet state minimum standards
  • Impose lot coverage limits that prevent a 800 sq ft ADU

If you believe your ADU application is being unfairly denied, California HCD can intervene on your behalf.

California State ADU Rules

California ADU Legislation Overview

California leads the nation in ADU-friendly legislation. The state has passed numerous laws to encourage ADU construction as a solution to the housing crisis.

Key California ADU Laws:

  • AB 68 (2020): Reduced local government review time and expanded ADU construction options.
  • SB 13 (2020): Limited impact fees and reduced owner-occupancy requirements.
  • AB 881 (2020): Prohibited minimum lot size requirements and allowed JADUs in all zones.
  • AB 2221 (2022): Further streamlined the ADU approval process.
  • SB 897 (2022): Increased height limits for ADUs in certain zones.

California ADU Benefits:

  • Property value increase of 20-30% on average
  • Rental income potential of $1,500-$3,500+ monthly
  • Housing flexibility for family members
  • No owner-occupancy requirements (until 2025)

More About Modesto

ADU Services in Modesto, California

GatherADU is proud to serve homeowners in Modesto. Our comprehensive ADU services make it easy to add a backyard home, in-law suite, or rental unit to your property.

Our Modesto ADU Services Include:

  • Free Site Evaluation: We assess your property's ADU potential, including zoning compatibility, utility access, and optimal placement.
  • Custom Design: Our architects create ADU plans tailored to your needs, style preferences, and Modesto's design requirements.
  • Permit Management: We handle all permit applications, engineering documents, and approvals with Modesto building departments.
  • Full Construction: Our experienced team builds your ADU to the highest standards, managing every detail from foundation to finish.
  • Financing Assistance: We connect you with ADU financing options including construction loans and HELOC solutions.

Why Modesto Homeowners Choose ADUs

Homeowners in Modesto are discovering the many benefits of adding an ADU to their property:

  • Rental Income: Generate $1,500-$3,500+ monthly in rental income
  • Multi-Generational Living: Keep aging parents or adult children close while maintaining privacy
  • Home Office: Create a dedicated workspace separate from your main home
  • Property Value: ADUs typically increase property values by 20-35%
  • Housing Flexibility: Adapt to changing family needs over time

Ready to Build Your ADU in Modesto?

Contact GatherADU today for a free consultation. We'll evaluate your property, explain your options, and provide a transparent cost estimate for building an ADU in Modesto, California.

Call us at (323) 591-3717 or schedule a free consultation online.

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