Floor #1






100Available605-336-1717
100LAvailable​
605-336-1717

102Available
605-336-1717

104Available
605-336-1717

106Available
605-336-1717

108FJM Collections
605-332-5121   www.fjmcollections.com  
112Ehrhart, Griffin & Associates
605-339-7215www.ehrhartgriffin.com
114Ehrhart, Griffin & Associates
605-339-7215www.ehrhartgriffin.com
116Dynamic Services, LLC
605-336-1717www.dynamic605.com
117Avera McKennan
605-322-6827www.avera.org
12024/7 Fitness Club
605-221-0997www.247fitnessclub.com








Floor #2






200Unique Swine Marketing, Inc.
605-310-9490www.uniqueswinemarketing.com
201Available


202Available


204Smith Solutions 
605-321-0914
205Landeen Law Office 
605-366-4458
206Available


207Conference Room A 605-336-1717
208Conference Room B605-336-1717
214Kieso Polygraph 605-334-4549
215Available


216Available


217Carlon Law Office  605-222-1586
218Available605-336-1717
219National Advisors Holdings, Inc 913-234-8206
220All Star Investigations 
605-610-7750








Floor #3






301Available
605-336-1717
303Available
605-336-1717
304Mabee Law Office 
605-336-7070
305General Trust Company 
605-339-2940
306Available
605-336-1717
307Okall Law Office 
605-338-0749
309Available
605-336-1717
310Megan J. Newcombe, Attorney 
605-275-0065
313McInerney Engineering 
605-274-1123www.mcinerneyengineering.com
314Rep. Kristi Noem 
http://noem.house.gov/
316Dakotah Reporting 
605-338-8898www.dakotahreportingagency.com








Floor #4






403Available
605-336-1717
404Williamson/UMB Trust 
605-332-2641
405Weerheim Law Office 
605-214-3664www.weerheimlaw.com
406Richard L. Johnson, Attorney at Law 
605-338-2626
407Available
605-336-1717
409Available
605-336-1717
411Available
605-336-1717
413Friends of SD Public Broadcasting 
605-367-7266www.sdpb.org








Floor #5






501Signal Surgical/ RSW Medical 
605-360-4242
502Available
605-336-1717
503Hampshire Trust Company 
605-275-3060
504ONLC Training Centers 
800-288-8221www.onlc.com
505Amy L. Walsh, PC 
605-215-5208www.amywalshlaw.com
509Eirinberg Law Office 
605-334-7997
510Wilka & Welter LLP 
605-338-9711www.wilkaandwelterlaw.com
511Rausch, Sturm, Israel & Hornik 
605-271-2871www.rsieh.com
513Available
605-336-1717








Floor #6






601Available
605-336-1717
602Available
605-336-1717
603Thesenvitz & Mickelson 
605-334-9448

www.sfsdlaw.com 

www.siouxfallsestateplanning.com


606Available
605-336-1717
608Conklin Law Office 
605-978-0036www.garywconklin.lawoffice.com
609Sioux Falls Area CASA Program 
605-339-9492
610Robinson Law Office 
605-339-0091
612Prudential
605-371-2258 www.prudential.com






http://www.fjmcollections.com
http://www.ehrhartgriffin.com
http://www.ehrhartgriffin.com

http://www.avera.org
http://www.247fitnessclub.com

OFFICE SPACE IN SIOUX FALLS

Floor #2

200 Available 605-336-1717  
201 Available 605-336-1717
202 Available 605-336-1717
204 Smith Solutions 605-321-0914
205 Landeen Law Office 605-366-4458
206 Available 605-336-1717
207 Conf Room A 605-336-1717
208 Conf Room B 605-336-1717
210 Performance Properties, LLC 605-336-1717
212 Dynamic Serivces, LLC 605-336-1717 
214 Kieso Polygraph 605-334-4549
215 Available 605-336-1717
216 Available 605-336-1717 
217 Carlon Law Office  605-222-1586
218 Available 605-521-6605
219 National Advisors Holdings, Inc 913-234-8206
220 All Star Investigations 605-610-7750
 
Floor #3

301 Available 605-336-1717  
303 Available 605-336-1717  
304 Mabee Law Office 605-336-7770
305 General Trust Company 605-339-2940  
306 Available 605-336-1717  
307 Okall Law Office 605-338-0749
309 Available 605-336-1717  
310 Megan J. Newcombe, Attorney 605-275-0065
313 McInerney Engineering 605-274-1123 
314 Rep. Kristi Noem 605-336-1717 
316 Dakotah Reporting 605-338-8898 
 
Floor #4

403 Available 605-336-1717  
404 Williamson/UMB Trust 605-332-2641
405 Weerheim Law Office 605-214-3664
406 Richard L. Johnson, Attorney at Law 605-338-2626
407 Available 605-336-1717  
409 Available 605-336-1717  
411 Available 605-336-1717  
413 Friends of SD Public Broadcasting 605-367-7266 
 
Floor #5

501 Signal Surgical/ RSW Medical 605-360-4242
502 Available
503 Hampshire Trust Company 605-275-3060
504 ONLC Training Centers 800-288-8221 
505 Amy L. Walsh, PC 605-215-5208 
509 Eirinberg Law Office 605-334-7997
510 Wilka & Welter LLP 605-338-9711 
511 Rausch, Sturm, Israel & Hornik 605-271-2871 
513 Available 605-336-1717 
 
Floor #6
601 Available 605-336-1717 
602 Available 605-336-1717 
603 Thesenvitz & Mickelson 605-334-9448 
606 Available 605-336-1717  
608 Conklin Law Office 605-978-0036 
609 Sioux Falls Area CASA Program 605-339-9492
610 Robinson Law Office 605-339-0091
612 Prudential 605-371-2258 58

NEED OFFICE SPACE? FIND IT HERE!

300 BUILDING DIRECTORY

Managed By: 

The 300 Building was originally constructed in 1972 in the heart of downtown Sioux Falls, South Dakota for the purpose of offering a great office space for rent and a great location for businesses. Our location gives a person the convenience of being within walking distance of the Court House, Sioux Falls Public Library, Old Courthouse Museum, City and County offices and Phillips Avenue all from your rental office in Sioux Falls. When looking for the best Commercial Space, Office Space or Virtual Office Space in Sioux Falls, South Dakota, the 300 Building has what you are looking for. With over 15 years of experience in the commercial business, office space is what we know best! We have suites varying from 200 square feet to over 2,000 square feet in size.


Once you have picked out your new office space in Sioux Falls in the 300 building campus, you will have a number of amenities made available to you. Including special rates for tenants and their employees at 24/7 Fitness Club located on the first floor of the 300 building. If you wish to find out more about our available commercial space, office space or virtual office space, please stop in and see us. Our offices are located on the first floor, suite 116 at 300 North Dakota Ave., Sioux Falls, SD 57104. Or contact our office at 605.336.1717. Any questions or comments can also be submitted by filling out a form on our Contact Us page. The 300 Building is owned by Performance Properties, LLC and managed by Dynamic Services, LLC.

605.336.1717