| Southern Montgomery County MUD | 5,067 | 5.6% | $25.6M | closed |
| Oak Ridge North | 1,182 | 38.7% | $14.1M | closed |
| Spring Creek Utility District | 3,850 | 29.9% | $742,801 | closed |
| Conroe | 49,189 | 9.3% | $462,494 | closed |
| Roman Forest Consolidated MUD | 806 | 22.5% | $411,357 | closed |
| East Montgomery County MUD 3 | 949 | 6.5% | $397,688 | closed |
| Willis | 2,607 | 22.0% | $302,396 | closed |
| Splendora | 3,212 | 28.5% | $288,842 | closed |
| Montgomery County MUD 46 | 8,133 | 5.8% | $265,193 | closed |
| Harris Montgomery Counties MUD 386 May V | 801 | 51.0% | $240,758 | closed |
| Montgomery County MUD 18 | 2,598 | 13.5% | $203,861 | closed |
| Montgomery County MUD 8 | 3,866 | 13.0% | $198,830 | closed |
| Montgomery County MUD 9 | 3,866 | 13.0% | $198,830 | closed |
| Montgomery County MUD 47 | 7,472 | 5.8% | $186,882 | closed |
| Montgomery County UD 3 | 3,000 | 13.0% | $162,709 | closed |
| Montgomery County UD 4 | 3,000 | 13.0% | $162,709 | closed |
| The Woodlands Metro Center MUD | 575 | 6.7% | $148,410 | closed |
| Rayford Road MUD | 3,837 | 11.4% | $133,373 | closed |
| Montgomery County MUD 60 | 4,336 | 5.8% | $125,301 | closed |
| Montgomery County MUD 67 | 2,921 | 5.8% | $106,719 | closed |
| Montgomery County MUD 139 | 1,851 | 10.0% | $102,506 | closed |
| Montgomery County MUD 19 | 1,495 | 15.7% | $97,797 | closed |
| Montgomery County MUD 83 | 765 | 34.1% | $91,563 | closed |
| Shenandoah | 2,340 | 12.0% | $87,696 | closed |
| Montgomery Trace | 5,711 | 7.8% | $86,665 | closed |
| Montgomery County MUD 84 | 933 | 13.9% | $78,164 | closed |
| The Woodlands MUD 1 | 2,663 | 5.8% | $76,277 | closed |
| Montgomery County MUD 7 | 3,105 | 5.8% | $73,727 | closed |
| Montgomery County MUD 99 | 785 | 18.5% | $69,957 | closed |
| Montgomery County MUD 6 | 1,604 | 5.8% | $60,539 | closed |
| Lake Conroe Hills MUD | 984 | 10.2% | $51,718 | closed |
| Stanley Lake MUD | 2,079 | 11.6% | $50,944 | closed |
| Point Aquarius MUD | 1,228 | 10.7% | $45,813 | closed |
| Montgomery County MUD 119 Spring Trails | 3,339 | 3.9% | $45,315 | closed |
| Montgomery County MUD 115 | 1,581 | 9.5% | $43,595 | closed |
| Montgomery County MUD 36 | 1,745 | 5.8% | $42,123 | closed |
| Crown Ranch Sub | 280 | 15.7% | $40,767 | closed |
| Porter SUD | 6,478 | 10.0% | $40,535 | closed |
| Montgomery County MUD 39 | 1,745 | 5.8% | $38,464 | closed |
| Hazy Hollow East Estates | 769 | 20.2% | $37,077 | closed |
| Cut And Shoot | 1,825 | 7.7% | $36,145 | closed |
| Montgomery County MUD 105 | 1,119 | 20.1% | $35,020 | closed |
| Decker Hills | 1,267 | 15.8% | $34,635 | closed |
| Blaketree MUD 1 | 266 | 7.7% | $34,150 | closed |
| Hulon Lakes Sub | 267 | 52.3% | $33,954 | closed |
| Woodland Oaks Sub | 1,259 | 13.0% | $33,243 | closed |
| Montgomery County MUD 137 | 876 | 6.9% | $28,269 | closed |
| Montgomery County WCID 1 | 1,198 | 13.4% | $27,571 | closed |
| Montgomery County MUD 96 | 788 | 6.1% | $23,898 | closed |
| Grand Oaks MUD | 568 | 4.2% | $21,827 | closed |
| Montgomery County UD 2 | 1,142 | 5.0% | $21,055 | closed |
| Panorama Village | 1,183 | 18.2% | $20,935 | closed |
| Lakes Of Magnolia | 292 | 17.4% | $20,751 | closed |
| Montgomery County MUD 89 | 1,651 | 6.0% | $20,094 | closed |
| Lake Forest Falls Sub | 204 | 24.3% | $19,401 | closed |
| Montgomery County MUD 15 | 2,070 | 12.6% | $19,293 | closed |
| Creekside Village | 749 | 9.2% | $19,049 | closed |
| Montgomery County MUD 94 | 1,721 | 13.2% | $18,616 | closed |
| White Oak Valley Estates | 250 | 38.7% | $18,312 | closed |
| Towering Oaks And Rosewood Hills Subdivi | 448 | 24.8% | $16,973 | closed |
| Coe Country | 640 | 7.1% | $15,908 | closed |
| Montgomery County MUD 42 | 583 | 15.3% | $15,629 | closed |
| Montgomery County MUD 141 | 251 | 3.7% | $15,246 | closed |
| Montgomery County MUD 24 Country Colony | 470 | 5.9% | $15,170 | closed |
| Old Tamina Water Supply Corp | 302 | 26.2% | $14,732 | closed |
| Decker Oaks | 536 | 9.4% | $13,946 | closed |
| Conroe Resort | 356 | 17.5% | $13,240 | closed |
| Montgomery County MUD 126 | 704 | 4.4% | $13,026 | closed |
| Montgomery County MUD 145 | 299 | 30.3% | $12,851 | closed |
| Riverwalk Sub | 843 | 18.0% | $12,826 | closed |
| Woodbranch Village | 502 | 7.6% | $12,552 | closed |
| Kipling Oaks 1 | 435 | 19.1% | $12,360 | closed |
| Woodridge MUD | 569 | 10.2% | $12,195 | closed |
| Montgomery County MUD 112 | 1,289 | 2.8% | $11,982 | closed |
| Texas National MUD | 330 | 24.2% | $11,416 | closed |
| White Oak Water Supply Corporation | 360 | 10.4% | $11,415 | closed |
| Montgomery | 1,350 | 5.6% | $11,178 | closed |
| Pinehurst Decker Prairie Water Supply Corp | 470 | 5.0% | $11,112 | closed |
| Montgomery County MUD 127 | 574 | 13.3% | $9,364 | closed |
| Grand Harbor | 725 | 8.8% | $9,068 | closed |
| Everett Square Windcrest Estates | 75 | 14.5% | $8,075 | closed |
| Pioneer Trails Sub | 172 | 13.6% | $7,363 | closed |
| Far Hills Utility District | 951 | 6.2% | $6,913 | closed |
| Porter Terrace | 118 | 21.7% | $6,788 | closed |
| Montgomery County MUD 95 | 1,142 | 2.1% | $6,049 | closed |
| Lazy River Improvement District | 213 | 16.4% | $5,856 | closed |
| Montgomery County MUD 98 | 848 | 3.0% | $5,700 | closed |
| Montgomery County FWSD 6 | 126 | 28.8% | $5,484 | closed |
| East Plantation Utility District | 625 | 8.1% | $5,439 | closed |
| Woodloch | 244 | 12.2% | $5,136 | closed |
| Kipling Oaks And Timbergreen | 377 | 7.8% | $4,572 | closed |
| Montgomery County MUD 56 | 320 | 12.3% | $4,563 | closed |
| Flamingo Lakes Lot Owners Association In | 84 | 22.7% | $4,300 | closed |
| Thousand Oaks | 354 | 6.6% | $4,266 | closed |
| River Plantation MUD | 942 | 5.0% | $4,206 | closed |
| Allendale | 51 | 71.2% | $4,144 | closed |
| Westwood North Water Supply Corp | 1,013 | 2.9% | $4,111 | closed |
| Clovercreek MUD | 246 | 18.3% | $3,835 | closed |
| River Club | 78 | 60.7% | $3,782 | closed |
| Northwoods Water Supply Corp | 273 | 9.6% | $3,626 | closed |
| Montgomery County MUD 88 | 1,105 | 2.6% | $3,576 | closed |
| Crystal Springs Sub | 88 | 25.2% | $3,497 | closed |
| Armadillo Woods Sub | 223 | 7.5% | $3,477 | closed |
| Woodhaven Estates | 54 | 49.9% | $3,156 | closed |
| Peach Creek Colony | 49 | 28.1% | $3,080 | closed |
| Del Lago Estates Water Supply Corp | 68 | 9.1% | $3,058 | closed |
| Domestic Water Company Royal Forest Subd | 543 | 8.1% | $3,053 | closed |
| Montgomery County MUD 16 White Oak Plant | 207 | 9.0% | $2,999 | closed |
| Serenity Woods Sub | 147 | 16.1% | $2,993 | closed |
| Woodland Lakes Estates Water Supply Corp | 169 | 27.5% | $2,935 | closed |
| Corinthian Point MUD 2 | 352 | 9.7% | $2,672 | closed |
| Harborside | 124 | 16.4% | $2,317 | closed |
| Lakeland | 110 | 8.0% | $2,284 | closed |
| Shady Brook Acres | 56 | 43.0% | $2,265 | closed |
| Hillgreen Subdivision Water Co | 45 | 37.5% | $2,206 | closed |
| Montgomery Place | 63 | 9.8% | $2,095 | closed |
| Cape Malibu Water Supply Corp | 133 | 5.7% | $1,933 | closed |
| Washington County Railroad | 265 | 20.3% | $1,931 | closed |
| Heritage Oaks Sub | 137 | 15.2% | $1,819 | closed |
| Pine Lake Subdivision North Water Supply Corp | 83 | 14.7% | $1,785 | closed |
| Shady Acres | 19 | 21.1% | $1,776 | closed |
| Diamond Head Water Supply Corp | 169 | 6.1% | $1,726 | closed |
| Stone Hedge Estates | 45 | 36.3% | $1,684 | closed |
| Sweetgum Forest | 32 | 31.8% | $1,664 | closed |
| Oakwood | 52 | 21.7% | $1,591 | closed |
| Old Mill Lake | 103 | 4.7% | $1,493 | closed |
| Sendera Lake Estates | 138 | 5.4% | $1,475 | closed |
| Montgomery County MUD 164 | 162 | 50.5% | $1,253 | closed |
| Stillwater Estates | 40 | 7.7% | $1,149 | closed |
| Rimwick Forest | 55 | 16.7% | $1,077 | closed |
| Mink Branch Valley | 51 | 17.7% | $1,006 | closed |
| Allenwood Sub | 117 | 6.0% | $990 | closed |
| Joy Village | 68 | 19.0% | $944 | closed |
| Peach Creek Oaks Sub | 82 | 15.5% | $930 | closed |
| Vista Verde | 67 | 26.8% | $879 | closed |
| Millers Crossing | 51 | 13.9% | $787 | closed |
| Deer Ridge Sub | 55 | 16.5% | $749 | closed |
| Rustic Oaks Sub | 16 | 9.4% | $703 | closed |
| Lakewood On Lake Conroe Poa | 30 | 5.0% | $683 | closed |
| Texas Landing Utilities Deerwood | 58 | 16.7% | $682 | closed |
| Caney Creek | 52 | 11.0% | $645 | closed |
| Shady Oaks Estates | 242 | 11.6% | $621 | closed |
| Rolling Forest Sub | 43 | 5.9% | $574 | closed |
| Highline Oaks Water | 76 | 8.1% | $556 | closed |
| Spring Forest Sub | 259 | 3.0% | $551 | closed |
| Lake Lorraine Ws | 42 | 5.4% | $460 | closed |
| Texas Landing Utilities Goode City | 49 | 12.4% | $452 | closed |
| Conroe Bay Water Sewer Supply | 116 | 3.3% | $397 | closed |
| Lakewood Colony | 64 | 10.4% | $377 | closed |
| New Caney MUD | 7,198 | 8.9% | $351 | closed |
| Meachen Meadows Subdivision | 34 | 4.8% | $188 | closed |