Tips and Things You Want to Know Before: Design & Build an ADU

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ADU (Accessory Dwelling Unit) became very popular in the last years as more and more home owners willing to invest in in their homes to build an ADU. Whether you are looking generate more income from your house or seeking to get a separate living space for your guests- this article is exactly what you need if you have any doubts or looking for more information to make a wise decision.

What’s The best Fit for Me?

ADU is another form of Room Addition project. Every unit must contain a kitchen and bathroom (except for JADU). There are many options available, depends on the size of your lot and your goals and needs. Finding the best fit is the key for success:

Attached and Detached ADU

  • Detached ADU– Built as a separate structure from the main house. 
  • Attached ADU Share a common wall with the main house.

Types of ADU

  • Ground-up ADU (new construction).
  • Garage Conversion ADU.
  • Attached Above Garage- (AADU).
  • Basement ADU.
  • Junior ADU (JADU)- Section of the main house becomes a separate unit.

Different Cost for Different Scenario

Understanding the variety of options will help you to better understand related costs for every project. First, determine if the ADU you intend to build is attached or detached. An attached ADU shares a wall with the main house, often reducing the distance for utility runs and requiring fewer materials during construction. On the other hand, a detached ADU is mostly often a ground-up project that require more time and materials to construct and longer run for utilities. therefore, it’s usually more expansive.

Let’s put it in this way, as a thumb rule, the more time and materials a project takes, the more expensive it will be. Generally, building a ground-up ADU is more costly than converting and redefining an existing space, assuming that the conditions of the existing structure are fine.

Lastly, a JADU (Junior Accessory Dwelling Unit) is unique in that it doesn’t require a full bathroom. However, a basic kitchen is mandatory. A JADU shall contain no more than 500 square feet. JADU also must share some common space with the main house. this fact makes it less appealing to homeowners who are looking to rent out the space. For more efficiency green building tips look here.

The Bigger the Better- ADU Size

The minimum size for an ADU is 150 square feet. This size must accommodate living, sleeping, cooking, and sanitation requirements. The maximum size for an ADU is generally 1,200 square feet. However, this can vary based on the size of the primary residence and the lot, as well as specific zoning regulations. For example, some areas may allow an ADU to be up to 50% of the primary residence’s square footage, as long as it doesn’t exceed the 1,200 square foot limit.

While it is allowed to build up to 1,200 square feet, the most common size for ADUs typically ranges between 400 and 800 square feet. This range is suitable for 1 & 2-bedroom and bathrooms units.

Calculate Your ROI

One of the biggest benefits for owning your ADU is your return on investment, having a portion of the mortgage covered by your tenant. Retention for capital appreciation that makes this a tax-efficient investment. If you build it right, you should get all of your investment back in less than 5 years. ROI Calculator.

TIP #1: Get Out the Most of Your ADU: Storage Is Key

Clever storage solutions are essential for a comfortable living space. One effective way is to increase the amount of cabinetry in the kitchen, utilizing upper cabinets available in various sizes to suit your needs. In some cases, placing a stackable washer and dryer next to the refrigerator can help optimize the layout. Additionally, shelving and hooks make great use of vertical space. You can also consider using the attic for extra storage or installing an outdoor storage unit as well.

TIP #2: Consider Parking Solution

With the increasing demand for housing, parking has become a “piece of real estate”. Although most of the cities have reduced retirements for providing parking with increased occupancy on the same lot, having parking remains essential for prospective tenants. Even if your street is not heavily trafficked, a dedicated parking space significantly enhances appeal for potential renters. People are willing to pay more for increased privacy and convenience.

TIP #3: Privacy and Outdoor Space

One of the perks of any ADU is its outdoor area! Despite the limited space, creating a serene environment not only improves the ambiance but also enhances the comfort of your guests during their stay. In compact spaces, you have the freedom to explore high-quality materials and innovative designs without paying an arm and a leg. Additionally, ample outdoor lighting ensures your guests can enjoy while you can always keep an eye. Privacy is key for both you and your guests, so consider installing fencing with a separate entrance to enhance the overall experience.

If you found this article helpful and are seeking more information or expert advice, don’t hesitate! Contact us today!

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