Are You Thinking of Building an ADU Unit? Let the Pros do it for You!

Looking to build an ADU unit? You’ll need comprehensive ADU services at every step of the way — from concept and ADU plan design to permitting and construction. Whether you’re considering a garage conversion to an ADU or building an ADU from scratch, whether a detached or attached unit, we simplify the process and bring your project to life with ease.

Send us a message now to get a free consultation and learn what’s possible with your space.

In FASTBUILD, Our team:

Building an ADU unit isn’t always simple. Local building codes change frequently and vary by city. If you’re planning a garage conversion to an ADU, you may not be aware of recent zoning updates or permitting requirements. That’s where we come in

Direct Contact

Communicates directly with your local planning department

Complete Plans

Provides up-to-date ADU design and permit sets with comprehensive ADU plans.

Full Services

Offers full structural and architectural services to build an ADU unit.

Infrastructure Check

Assesses your existing infrastructure (electricity, plumbing, HVAC)

Avoid Delays

Prevents costly delays and compliance issues that happens in the process of ADU construction.

build an ADU

building an ADU

Why Are ADUs So Popular?

Curious about what an accessory dwelling unit is? Stick around.
With housing shortages across many states, Accessory Dwelling Units (ADUs) have become a smart solution — supported by local policies that encourage efficient use of available land. Specially, in the state of California and the city of Los Angeles. Today, ADU construction in Los Angeles is increasingly popular. ADUs not only increase your property value, but also generate steady rental income (often between $2,000 and $3,500/month).

There are several types of ADUs:

Detached ADUs – fully separate units with private entrances
Attached ADUs – extensions built as part of the main house
Garage conversion – transform your existing garage into a livable space
Interior ADUs – convert basements, attics, or unused rooms into an ADU

Thinking about which Accessory dwelling unit suits your property? Contact us — we’ll guide you with options that best fit your space and goals.

The Pros and Cons of Building an ADU unit:

Benefits:

Rental income between $2,000–$3,500/month in 2025
Increased property value
Private space for family members, guests, or home office use

Challenges:

Loss of parking space with a garage conversion to build an ADU unit
Potential tenant issues (solvable with proper screening)
Neighbor concerns that usually occurs when you want to build an ADU unit (addressed through thoughtful ADU design)

Want to hear how our design team can minimize the cons and maximize the value? Reach out for a free assessment.

building an ADU house

building an ADU

Conclusion

In conclusion, it’s still absolutely worth it to have an ADU unit on your property. Building an ADU increases your home’s value, provides a constant source of income, and offers flexible use for your family. Especially two-story ADUs, which are becoming very popular forms of ADU in Los Angeles and California. Two-story accessory dwelling unit provides more rental space and even more income opportunities for homeowners.

So, if you have enough empty space in your backyard, don’t hesitate — contact us today and let’s talk about how we can turn your unused space into a valuable asset.

building an ADU house

building an ADU

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