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The Siewert Group

(262) 212-0260


(262) 378-0419

Office

200 E Capitol Dr.
Hartland, WI 53029

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Meet

Zack Siewert

Zack Siewert Hartland, WI Real Estate Agent Headshot

Zack Siewert

Known for his work ethic, strategic approach, and unwavering commitment to his clients, Zack Siewert has established himself as one of the Greater Milwaukee area's top-producing real estate professionals. Recognized as a Rising Star by Real Producers Milwaukee in 2024, Zack has continued to build on that success, consistently ranking among the top-producing agents in the Metro MLS.

Zack's approach to real estate is simple: put the client first, communicate honestly, and do whatever it takes to get the job done. His clients value his “make it happen” mentality and straightforward advice. When the stakes are highest, he remains focused and composed.

A skilled and confident negotiator, Zack has built a reputation for protecting his clients' interests while navigating complex transactions and finding solutions where others may not. 

Zack’s foundation in real estate began hands-on, working on renovation crews in college, and has since expanded to owning rental properties and renovating homes for resale. This firsthand experience gives him a practical understanding of real estate that extends well beyond the transaction. 

Outside of real estate, Zack enjoys traveling, spending time with family and friends, golfing, and exploring the outdoors with his Goldendoodle, Louis. 

For Zack, real estate has never been about simply closing transactions. It's about earning trust, delivering results, and becoming the real estate advisor his clients know they can count on for years to come.

Contact Details

Email address [email protected]
Primary phone (262) 212 0260
Address 200 E Capitol Dr Hartland WI, 53029
License #96626-94
Success Stories

Testimonials

Zack was an absolute rockstar with this latest property he helped us purchase. We had a house hit the MLS that fit our criteria, and within 24 hours he had a competitive offer in for us. That was where the work began. The house had many liens and legal issues, and Zack got us through every hurdle. His knowledge was undeniably what got us to the closing table on this deal. I would recommend him to anyone I know, and everyone who uses him says the same thing. Thank you, Zack!
Zack was an absolute rockstar with this latest property he helped us purchase. We had a house hit the MLS that fit our criteria, and within 24 hours he had a competitive offer in for us. That was where the work began. The house had many liens and legal issues, and Zack got us through every hurdle. His knowledge was undeniably what got us to the closing table on this deal. I would recommend him to anyone I know, and everyone who uses him says the same thing. Thank you, Zack!
Davis
Zack was amazing at helping us buy and resell this property. He convinced us of the deal from the start and helped us sell for over 50 thousand more than the list price. He completely understood the market and helped us make the right investment and make the best sale on the house. I highly recommend Zack if you're an investor or even if you're just a buyer or seller. He will find you the right deals! Thanks you Zack!
Zack was amazing at helping us buy and resell this property. He convinced us of the deal from the start and helped us sell for over 50 thousand more than the list price. He completely understood the market and helped us make the right investment and make the best sale on the house. I highly recommend Zack if you're an investor or even if you're just a buyer or seller. He will find you the right deals! Thanks you Zack!
Buyer
Zack did a very good job finding homes and presenting many options. He did his research and market analysis for both the sale and purchase of our homes and was right on target.
Zack did a very good job finding homes and presenting many options. He did his research and market analysis for both the sale and purchase of our homes and was right on target.
Rob
Zach was awesome to work with! He was extremely diligent when it came to helping us find our home. He went above and beyond and exceeded our expectations by always being available, taking our feedback and using it to narrow down our search, and making our offer hard to refuse with an amazing deal. I'll 100% recommend Zack to anyone I know looking to buy a home.
Zach was awesome to work with! He was extremely diligent when it came to helping us find our home. He went above and beyond and exceeded our expectations by always being available, taking our feedback and using it to narrow down our search, and making our offer hard to refuse with an amazing deal. I'll 100% recommend Zack to anyone I know looking to buy a home.
Victoriano J.
Zach was very good at getting the deal done. We put an offer in on the first house we saw, and we got the house. The process could not have gone smoother, and Zach was a big part of that.
Zach was very good at getting the deal done. We put an offer in on the first house we saw, and we got the house. The process could not have gone smoother, and Zach was a big part of that.
Ben
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Browse Our

Notable Sales

  • 130 S Water St, 101, Milwaukee Sold

    $1,125,000

    130 S Water St, 101, Milwaukee, Milwaukee, WI 53204

    • 3 Beds
    • 4.5 Baths
    • 3,395 Sq.Ft.
  • N72W26488 Esker Ln, Lisbon Sold

    $1,111,000

    N72W26488 Esker Ln, Lisbon, Lisbon, WI 53089

    • 3 Beds
    • 2.5 Baths
    • 2,600 Sq.Ft.
  • W232S8430 Rosemary Dr, Big Bend Sold

    $1,100,000

    W232S8430 Rosemary Dr, Big Bend, Big Bend, WI 53103

    • 5 Beds
    • 4.5 Baths
    • 4,525 Sq.Ft.
  • 118 Retzer View Ct, Waukesha Sold

    $807,900

    118 Retzer View Ct, Waukesha, Waukesha, WI 53188

    • 3 Beds
    • 2 Baths
    • 2,003 Sq.Ft.
  • W7255 Firelane 2 -, Harrison Sold

    $759,000

    W7255 Firelane 2 -, Harrison, Harrison, WI 54952

    • 3 Beds
    • 2 Baths
    • 2,040 Sq.Ft.
  • N8055 Cottage Ln, Friendship Sold

    $740,000

    N8055 Cottage Ln, Friendship, Friendship, WI 54937

    • 3 Beds
    • 2.5 Baths
    • 2,464 Sq.Ft.
  • W989 Miramar Dr, East Troy Sold

    $725,000

    W989 Miramar Dr, East Troy, East Troy, WI 53120

    • 4 Beds
    • 2 Baths
    • 1,549 Sq.Ft.
  • 4137 Riverside Rd, Waterford Sold

    $675,000

    4137 Riverside Rd, Waterford, Waterford, WI 53185

    • 3 Beds
    • 2 Baths
    • 1,790 Sq.Ft.
  • 4712 W Woodward Dr Sold

    $630,000

    4712 W Woodward Dr, Franklin, WI 53132

    • 3 Beds
    • 3.5 Baths
    • 3,410 Sq.Ft.
  • 645 Standing Stone Dr, Waukesha Sold

    $619,789

    645 Standing Stone Dr, Waukesha, Waukesha, WI 53189

    • 3 Beds
    • 2.5 Baths
    • 1,952 Sq.Ft.
  • 8755 W Meadow Ln, Franklin Sold

    $610,000

    8755 W Meadow Ln, Franklin, Franklin, WI 53132

    • 4 Beds
    • 3 Baths
    • 2,476 Sq.Ft.
  • S90W31245 Wigwam Dr Sold

    $605,000

    S90W31245 Wigwam Dr, Mukwonago, WI 53149

    • 4 Beds
    • 2 Baths
    • 2,920 Sq.Ft.
  • 3013 Crosswinds Dr, Mount Pleasant Sold

    $597,000

    3013 Crosswinds Dr, Mount Pleasant, Mount Pleasant, WI 53403

    • 4 Beds
    • 3 Baths
    • 3,400 Sq.Ft.
  • 1325 Macintosh Way, Mukwonago Sold

    $595,000

    1325 Macintosh Way, Mukwonago, Mukwonago, WI 53149

    • 4 Beds
    • 3 Baths
    • 3,045 Sq.Ft.
  • N9174 Elm St, East Troy Sold

    $590,000

    N9174 Elm St, East Troy, East Troy, WI 53120

    • 3 Beds
    • 3 Baths
    • 3,015 Sq.Ft.
  • W327S7601 Squire Ln, Mukwonago Sold

    $540,000

    W327S7601 Squire Ln, Mukwonago, Mukwonago, WI 53149

    • 4 Beds
    • 2.5 Baths
    • 2,897 Sq.Ft.
  • W311S8714 Cherokee Pass Sold

    $532,000

    W311S8714 Cherokee Pass, Mukwonago, WI 53149

    • 3 Beds
    • 1.5 Baths
    • 1,994 Sq.Ft.
  • W2195 Wilmers Grove Rd, East Troy Sold

    $530,000

    W2195 Wilmers Grove Rd, East Troy, East Troy, WI 53120

    • 3 Beds
    • 2.5 Baths
    • 2,731 Sq.Ft.
  • 130 S Water St, 107, Milwaukee Sold

    $525,500

    130 S Water St, 107, Milwaukee, Milwaukee, WI 53204

    • 1 Bed
    • 1.5 Baths
    • 1,140 Sq.Ft.
  • 610 Scenic Rd, Hartland Sold

    $507,000

    610 Scenic Rd, Hartland, Hartland, WI 53029

    • 3 Beds
    • 3 Baths
    • 2,011 Sq.Ft.
  • S57W29689 Saylesville Rd, Genesee Sold

    $505,000

    S57W29689 Saylesville Rd, Genesee, Genesee, WI 53189

    • 3 Beds
    • 3 Baths
    • 2,750 Sq.Ft.
  • 1402 Applewood Cir, Mukwonago Sold

    $500,000

    1402 Applewood Cir, Mukwonago, Mukwonago, WI 53149

    • 3 Beds
    • 2 Baths
    • 2,028 Sq.Ft.
  • 2500 Fox River Pkwy, Waukesha Sold

    $500,000

    2500 Fox River Pkwy, Waukesha, Waukesha, WI 53189

    • 4 Beds
    • 3.5 Baths
    • 2,583 Sq.Ft.
  • 720 E St. Paul Ave, 1-8, Waukesha Sold

    $500,000

    720 E St. Paul Ave, 1-8, Waukesha, Waukesha, WI 53188

    • 3,584 Sq.Ft.
  • W217N9748 White Horse Dr, Germantown Sold

    $500,000

    W217N9748 White Horse Dr, Germantown, Germantown, WI 53017

    • 3 Beds
    • 2.5 Baths
    • 2,382 Sq.Ft.
  • W315S8993 Gena Dr, Mukwonago Sold

    $500,000

    W315S8993 Gena Dr, Mukwonago, Mukwonago, WI 53149

    • 4 Beds
    • 3 Baths
    • 3,100 Sq.Ft.
  • 7275 S Pennsylvania Ave Sold

    $495,000

    7275 S Pennsylvania Ave, Oak Creek, WI 53154

    • 4 Beds
    • 2.5 Baths
    • 2,188 Sq.Ft.
  • N9W31078 Concord Ct, Delafield Sold

    $492,000

    N9W31078 Concord Ct, Delafield, Delafield, WI 53018

    • 3 Beds
    • 2.5 Baths
    • 1,786 Sq.Ft.
  • 215 W Walworth St, Elkhorn Sold

    $490,000

    215 W Walworth St, Elkhorn, Elkhorn, WI 53121

    • 5 Beds
    • 3.5 Baths
    • 3,141 Sq.Ft.
  • 500 N 6th St, Waterford Sold

    $485,900

    500 N 6th St, Waterford, Waterford, WI 53185

  • 704 E Randy Rd, Oak Creek Sold

    $485,000

    704 E Randy Rd, Oak Creek, Oak Creek, WI 53154

    • 3 Beds
    • 2 Baths
    • 2,200 Sq.Ft.
  • N7559 E Lakeshore Dr, Whitewater Sold

    $480,000

    N7559 E Lakeshore Dr, Whitewater, Whitewater, WI 53190

    • 4 Beds
    • 2.5 Baths
    • 2,107 Sq.Ft.
  • 2718 Bristol Ct Sold

    $475,000

    2718 Bristol Ct, Waukesha, WI 53188

    • 4 Beds
    • 2 Baths
    • 2,020 Sq.Ft.
  • N91W29151 Center Oak Rd, Merton Sold

    $470,000

    N91W29151 Center Oak Rd, Merton, Merton, WI 53029

    • 4 Beds
    • 2.5 Baths
    • 2,461 Sq.Ft.
  • 533 Oakland Ave, Mukwonago Sold

    $467,000

    533 Oakland Ave, Mukwonago, Mukwonago, WI 53149

    • 3 Beds
    • 1.5 Baths
    • 1,558 Sq.Ft.
  • 1170 Saratoga Pkwy, Oconomowoc Sold

    $465,000

    1170 Saratoga Pkwy, Oconomowoc, Oconomowoc, WI 53066

    • 3 Beds
    • 2.5 Baths
    • 1,547 Sq.Ft.
  • W1401 Stoney Brook Ct Sold

    $450,000

    W1401 Stoney Brook Ct, Ixonia, WI 53036

    • 4 Beds
    • 2 Baths
    • 1,746 Sq.Ft.
  • 11606 W Ryan Rd, Franklin Sold

    $440,000

    11606 W Ryan Rd, Franklin, Franklin, WI 53132

    • 3 Beds
    • 1.5 Baths
    • 1,632 Sq.Ft.
  • 1820 W Hampton Ave, Milwaukee Sold

    $439,900

    1820 W Hampton Ave, Milwaukee, Milwaukee, WI 53209

  • 7950 S Cecily Dr Sold

    $435,000

    7950 S Cecily Dr, Oak Creek, WI 53154

    • 3 Beds
    • 3 Baths
    • 1,400 Sq.Ft.
  • 5727 W Wisconsin Ave, 5729, Wauwatosa Sold

    $425,000

    5727 W Wisconsin Ave, 5729, Wauwatosa, Wauwatosa, WI 53213

  • 4063-4065 S 41st St, Greenfield Sold

    $410,000

    4063-4065 S 41st St, Greenfield, Greenfield, WI 53221

  • W280N1925 Prospect Ave, Delafield Sold

    $410,000

    W280N1925 Prospect Ave, Delafield, Delafield, WI 53072

    • 3 Beds
    • 1.5 Baths
    • 1,497 Sq.Ft.
  • 3214 Superior Ave, East Troy Sold

    $405,000

    3214 Superior Ave, East Troy, East Troy, WI 53120

    • 4 Beds
    • 2 Baths
    • 1,906 Sq.Ft.
  • 1057 Oxford Ct, Rome Sold

    $401,000

    1057 Oxford Ct, Rome, Rome, WI 54457

    • 3 Beds
    • 1.5 Baths
    • 1,866 Sq.Ft.
  • 555 Robertson St, Wauwatosa Sold

    $400,000

    555 Robertson St, Wauwatosa, Wauwatosa, WI 53213

    • 4 Beds
    • 2 Baths
    • 1,546 Sq.Ft.
  • W225S9060 Mount Carmel Rd, Big Bend Sold

    $391,000

    W225S9060 Mount Carmel Rd, Big Bend, Big Bend, WI 53103

    • 3 Beds
    • 1.5 Baths
    • 1,450 Sq.Ft.
  • 1215 River Park Cir W, Mukwonago Sold

    $390,000

    1215 River Park Cir W, Mukwonago, Mukwonago, WI 53149

    • 3 Beds
    • 2.5 Baths
    • 1,916 Sq.Ft.
  • 1207 S 98th St, West Allis Sold

    $375,000

    1207 S 98th St, West Allis, West Allis, WI 53214

    • 3 Beds
    • 1.5 Baths
    • 1,958 Sq.Ft.
  • 9221 S 51st St, Franklin Sold

    $370,000

    9221 S 51st St, Franklin, Franklin, WI 53132

    • 3 Beds
    • 3 Baths
    • 2,252 Sq.Ft.
View All

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The Siewert Group


Zack Siewert

(262) 212-0260


Kim Siewert
(262) 378-0419
[email protected]

200 E Capitol Dr.
Hartland, WI 53029

Get in Touch

Enter a valid email
By providing your contact information to The Siewert Group, your personal information will be processed in accordance with The Siewert Group's Privacy Policy. By checking the box(es) below, you expressly consent to receive marketing or promotional real estate communication from The Siewert Group in the manner selected by you. For SMS text messages, message frequency varies. Message and data rates may apply. Consent is not a condition of purchase of any goods or services. You may opt out of receiving further communications from The Siewert Group at any time. To opt out of receiving SMS text messages, reply STOP to unsubscribe. SMS text messaging is subject to our Terms of Use.

Get in Touch

The Siewert Group


Zack Siewert

(262) 212-0260


Kim Siewert
(262) 378-0419
[email protected]

200 E Capitol Dr.
Hartland, WI 53029