DEREK SHERRELL
(541) 238-7073‬
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That ADU Guy, LLC

ADU Developer Derek Sherrell

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What Is an ADU?

Dan, Southern Oregon

COMMUNITY BUILDS

That ADU Guy

5.0

Based on 117 reviews

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Dean Bellas

14:40 30 Apr 25

Huge thank you to Derek for a very fast response time and providing a few expert tips about contractor selection and overall ADU build strategy. Thanks again Derek!

Oscar Diaz

23:55 29 Apr 25

My wife and I came across Derek’s video on ADU’s and we decide to call Derek surprisely he answered and was so kind to answer a few questions. Really great guy. Thanks for your priceless advice.

Response from the owner 00:22 30 Apr 25

Glad I was able to help! Thanks for the review and kind words. Your build numbers sound like a slam dunk

Aron Choi

23:13 23 Feb 25

Consulting with Derek has more than paid off for itself in many hours saved, trusted contacts, a lot more clarity on next steps, and potentially avoiding tens if not hundreds of thousands of dollars in mistakes.Were are in the early stages of evaluating land to develop or finding existing homes with ADU potential. Derek is a great diagnostician that helped to understand our goals and values and helped us think through the pros and cons of next steps. After speaking with Derek, I realized how much more I didn't know even after doing a lot of my own research.Most importantly, our conversation helped my wife and I get on the same page and got us excited about getting our next property and building our first ADU.Thanks, Derek!

Response from the owner 23:37 23 Feb 25

It was great to hear more about your goals inside and outside of REI. Tons of great options in the WA market, some are just way more work. Im sure the path will show itself. Good to connect this morning. Thanks for taking the time to leave a review! Keep me posted.

Nick Blatz

03:13 19 Feb 25

I was surprised that Derek answered my phone call. I probably shouldn't be as be said he would on his videos. Derek was very helpful. He was able to point me in the right direction for my adult question. I hope to interact with Derek again!

Response from the owner 03:24 19 Feb 25

Good to meet you today Nick. Best of luck on your garage conversion insulation plan. Thanks for the 5 star review!

Murshedur Shahy

07:55 14 Jan 25

Awesome resources!!

Response from the owner 01:32 15 Jan 25

Thank you for taking the time to leave us a review! Glad to hear the info and content we put out is helpful!

L Rich

03:51 04 Jan 25

Challenged with caring for my 89 year old mom and needing a place to work from home and retreat. We have space for a ADU and after searching the web and finding "that ADU Guy" I honestly feel I can sleep some tonight know there's hope. Prayers pls that I can make this happen!

Response from the owner 05:41 04 Jan 25

Thank you for sharing your story and for the 5 star review. Best of luck on your ADU journey.

Faraz Ahmad

18:43 31 Dec 24

Derek is an expert in ADUs and provided me some detailed advice on interpreting zoning regulations. He is a savvy real estate investor but understands the political environment on legislation trends. He also gave me good advice on financing options.

Response from the owner 18:55 31 Dec 24

Thanks for the review Faraz. Alway fun talking to smart people with solid long term goals! Best of luck bringing ADUs to your area in TX.

Nancy Morgan

16:09 23 Dec 24

5+ stars! I had been interested in finding out if I could convert my 1941, one-car garage to an ADU so I signed up for Derek’s 15-minute consultation. The information and insights I received were priceless! I learned so much and am now weighing the pros and cons. And there are both. Derek’s knowledge and expertise were invaluable. Above and beyond!

Response from the owner 15:46 23 Dec 24

Great to meet you Nacy. You have many great options with such a cool property. I look forward to seeing your vision come to life. Thank you for the review!

Colin Bossio

00:47 17 Dec 24

Derek is a true professional and a great person to speak with. His coaching call was packed with valuable details and insights on infill utilities, lot splits, financing, equity creation, scaling, and mindset. Definitely worth the investment. Thanks !

Response from the owner 01:03 17 Dec 24

Great to meet you Colin! Your WA project sounds like it will be a great start to your infill development journey. Thanks for taking the time to leave a review.

CGB

20:19 14 Dec 24

Response from the owner 21:38 14 Dec 24

Thank you so much for the 5 star review!

Scott Janczyk

22:09 17 Jan 23

I had the pleasure of having an hour call with Derek about my potential investment strategy involving adding ADUs. He gave me very targeted advice based on my specific goals, financial situation, local resources to the areas I am looking to invest in and ADU specific tricks of the trade that I had not heard before which have helped evolve my investment strategy. I would highly recommend speaking with him to help with your ADU questions.

David Goforth

01:01 05 Jan 23

I had a phone consultation with Derek and he was incredibly knowledgeable, insightful, and helpful. He is a great communicator and gave me great advice on a project I am looking to take on. He provided me with several actionable steps to get things started and ensure that adding a unit would be possible. I highly recommend Derek, aka That ADU Guy, for anyone with questions about the process of adding a dwelling unit and how to be successful in doing so!

Damian Holz

01:18 21 Aug 22

I reached out to Derek to ask his expert advice relating to ADUs - not only did Derek call me back on a Saturday night, but he spent a lot of time explaining various elements of ADUs to me - linking me up with information, resources and a pathway forward to progress my idea. He is SUPER knowledgable on ADUs and passionate about affordability, amazingly generous with his time & clear in his communication. He is making a real, tangible difference in solving some of the biggest housing challenges in the world - not just in the US but internationally - his advice will help with solving key housing problems in Australia (where I am from) too. Thank you so much Derek!

Nathaniel Epps

16:21 10 Aug 22

Derek is a wealth of knowledge, and it was great speaking to you. As a first-time home buyer, it's almost unheard of for a Pro in the game to give you their time for free. I highly recommend setting up a call with Derek, whether you are a new home buyer or a seasoned investor. Derek "That ADU Guy" can help!

John Kennedy

21:00 02 Aug 22

After hearing an interview with him on Biggerpockets, I set up a phone consultation with Derek through his website. Talking with him was awesome. I'm a first time homebuyer looking to deploy the ADU strategy in a very competitive market, and he helped me work through some of the challenges I've been facing. He even followed up afterwards by sending a link to a relevant Youtube video. I highly recommend talking to Derek if you're thinking of setting up an ADU!

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