| Subdivision Name | Code | Plat Vol | Plat Page | Document Number |
| L. DEARBORNS'S ADD | DRBN L | 1 | 1* | |
| L.A. WILCOX'S ADD | WILX LA | 8 | 37 | |
| L.A. WINSLOW'S SUB | WINSLN LA | 8 | 69 | |
| L.C. BECKLINGER'S SUB | BCKA LC | 24 | 1 | |
| L.D. BRADY'S SUB OF | BRDY LD2 | 5 | 8 | |
| L.D. BRADY'S SUB OF | BRDY LD6 | 1 | 111 | |
| L.F. BONIFAS SUB | BONF LF | 63 | 4 | |
| L.F. BRAYMAN'S SUB | BRY LF | 6 | 60 | |
| L.M. KELLEY'S SUB | KELY LM | 8 | 38 | |
| L.R. READS 2ND ADD | READ LR 2 | 8 | 1* | |
| L.R.D. PATZER'S SUB | PATZ LRD | 39 | 37 | |
| L.T. KING'S 1ST ADD | KIG LT1 | 30 | 42 | |
| L.T. KING'S 2ND ADD | KIG LT2 | 32 | 16 | |
| L.V. PIKE'S RESUB | PIKE LV/ | 27 | 23 | |
| L.W. GRAY'S ADD | GRY LWA | 1 | 21* | |
| L.W. GRAY'S EXTENDED AD | GRY LWEX | 1 | 67 | |
| L.W. GRAY'S SUB | GRY LWS | 6 | 19 | |
| LADD'S ELGIN GARDEN QTR | LADEGQ | 56 | 1&2 | |
| LADD'S ELGIN GARDEN QTR | LADEGQ AB | 56 | *29 | |
| LADD'S ELGIN GARDEN QTR | LADEGQ D | 56 | 6 | |
| LADD'S ELGIN GARDEN QTR | LADEGQ F | 60 | *43 | |
| LADD'S ELGIN GARDEN QTR | LADEGQ G | 66 | *13 | |
| LAFOX WOODS, UNIT 1 | LAFXWD 1 | 127 | A&B | 1548791 |
| LAFOX WOODS, UNIT 2 | LAFXWD 2 | 137 | A | 1558533 |
| LAFOX WOODS, UNIT 3 | LAFXWD 3 | 267 | B | 1806256 |
| LAFOX WOODS, UNIT 4 | LAFXWD 4 | 308 | A | 1854414 |
| LAFOX WOODS, UNIT 5 | LAFXWD 5 | 413 | A | 1937612 |
| LAFOX WOODS, UNIT 6 | LAFXWD 6 | 472 | A | 1984388 |
| LAFOX WOODS, UNIT 7 | LAFXWD 7 | 853 | A | 94K056031 |
| LAFOX WOODS, UNIT 7 RESUB | LAFXWD 7/ | | | 2005K093135 |
| LAKE CHARLOTTE | LAKCHAR | 50 | 13 | |
| LAKE CHARLOTTE, UNIT 2 | LAKCHAR 2 | 55 | 36 | |
| LAKE CHARLOTTE, UNIT 3 | LAKCHAR 3 | 54 | 46 | |
| LAKE MARIAN IN THE | LAKMWD 1 | 30 | 44 | |
| LAKE MARIAN INDUSTRIAL CONDO | LAKMINDC | | | 2005K103669 |
| LAKE MARION IN THE | LAKMWD 2 | 30 | 45 | |
| LAKE MARION IN THE | LAKMWD 3 | 30 | 47 | |
| LAKE MARION IN THE | LAKMWD 4 | 33 | 4 | |
| LAKE RUN ESTATES UNIT 1 | LAKERUN 1 | | | 2005K093076 |
| LAKE RUN ESTATES UNIT 2 | LAKERUN 2 | | | 2005K152118 |
| LAKE WOODSIDE DIVISION | LAKWDSD | 913 | B | 95K018131 |
| LAKE'S 2ND ADD | LAKE 2 | 7 | 56 | |
| LAKE'S EXTENDED 2ND ADD | LAKE E2 | 7 | 62 | |
| LAKELAND | LAKELD | 25 | 10 | |
| LAKESIDE INDL PARK | LAKSDIPK | 71 | 17 | |
| LAKEWOOD | LAKWD | 51 | 24 | |
| LAKEWOOD CROSSING | LAKWDCR | | | 2006K139191 |
| LAKEWOOD ESTATES NORTH | LAKWDETN1 | 637 | A&B | 91K49788 |
| LAKEWOOD ESTATES NORTH | LAKWDETN2 | 860 | A&B | 94K062039 |
| LAKEWOOD ESTATES NORTH | LAKWDETN4 | 691 | A | 92K40029 |
| LAKEWOOD ESTATES NORTH | LAKWDNC | 90 | *95 | |
| LAKEWOOD LODGE ESTATES | LWLDET | 26 | 19 | |
| LAKEWOOD LODGE ESTATES | LWLDET1-1 | 26 | 44 | |
| LAKEWOOD LODGE ESTATES | LWLDET2-1 | 26 | *48 | |
| LANCASTER INDUSTRIAL PARK PLAT OF RESUBDIVISION | LANCASTIPK/ | | | 2010K008999 |
| LANDBERG SUB | LANDBRG | 129 | B | 1552538 |
| LANDINGS RESUBDIVISION | LANDG/SG/L8 | | | 2008K012966 |
| LANDINGS RESUBDIVISION | LANDG/SG | | | 2007K122721 |
| LANDIS ADD | LANDIS | 39 | 26 | |
| LANDIS ADD, UNIT 2 | LANDIS 2 | 41 | 8 | |
| LANDIS SUB | LANDISS | 39 | 41 | |
| LANDMARK INDL PARK | LANDMKIPK | 55 | 14 | |
| LANG'S 1ST SUB | LANG 1 | 34 | 17 | |
| LANG'S RESUBDIVISION | LANG/ | 728 | A | 92K82106 |
| LANGTON'S SUB | LANGTON | 16 | 26 | |
| LANGWORTHY & HOFFMAN'S | LANG&HOF | 8 | 8 | |
| LARKIN-WEST PROFL PK IC | LARWPPI | 48 | 43 | |
| LARSON COMMONS P.U.D. | LARSONC | A159 | B | 98K057019 |
| LASEMAN'S 2ND SUB | LASMN 2 | 32 | 17 | |
| LASEMAN'S SUB | LASMN | 33 | 2 | |
| LATHEM'S ADD | LATHM | *R 8 | *79 | |
| LATHROP'S ADD | LATRP | 1 | 72 | |
| LATHROP'S SUB | LATRPS | 1 | 92 | |
| LATIMER'S SUB | LATMRS | 57 | 36 | |
| LAUREL ACRES | LAURLAC | 29 | 31 | |
| LAWRENCE FECKER'S SUB | FECKR L | 5 | 72 | |
| LAWRENCE MARTIN'S SUB | MARN L | 31 | 48 | |
| LEA'S OF GENEVA, UNIT 1 | LEAS G1 | 61 | 49 | |
| LEA'S OF GENEVA, UNIT 2 | LEAS G2 | 48 | A | 1485627 |
| LEA'S OF GENEVA, UNIT 3 | LEAS G3 | 68 | B | 1502160 |
| LEAHCAR COMMERCIAL CONDO | LEAHCARCC | | | 2006K140183 |
| LECANTO SUBDIVISION | LECANTO | A181 | A | 98K076645 |
| LECHLER'S RESUB | LECHLR/ | *422 | A&B | 1941472 |
| LEE CONDO OF S. ELGIN | LEECOND | | | 1927942 |
| LEFFLERS FOLLY | LEFFOLLY | | | 2004K137534 |
| LEGACY BUSINESS CENTER ST CHAS | LEGACYBC | | | 2006K054480 |
| LEHNERTZ ADD | LEHTZ | 20 | 22 | |
| LEHNERTZ AVE ESTATES | LEHTZAVET | 67 | 23 | |
| LEHNERTZ RESUB | LEHTZ/ | 28 | 19 | |
| LEIGH SUB UNIT 1 | LEIGH 1 | 28 | 52 | |
| LEIGH SUB UNIT 2 | LEIGH 2 | 36 | 50 | |
| LEIGH SUB UNIT 3 | LEIGH 3 | 39 | 27 | |
| LEIGH SUB UNIT 4 | LEIGH 4 | 41 | 28 | |
| LEIGH SUB UNIT 5 | LEIGH 5 | 41 | 47 | |
| LEIGH SUB UNIT 6 | LEIGH 6 | 51 | 33 | |
| LEIGH SUB UNIT 7 | LEIGH 7 | 54 | 48 | |
| LEIGH SUB UNIT 8 | LEIGH 8 | 67 | 16 | |
| LEIGH-JON MANOR UNIT 1 | LEIJM 1 | 31 | 39 | |
| LEIGH-JON MANOR UNIT 2 | LEIJM 2 | 34 | 16 | |
| LEIGH-JON MANOR UNIT 3 | LEIJM 3 | 34 | 48 | |
| LEIGH-JON MANOR UNIT 5 | LEIJM 5 | 41 | 15 | |
| LENGEL SUB | LENGEL | 563 | B | 90K42178 |
| LENINGTON ADD | LENGTN | 29 | 60 | |
| LENSCHOW SUBDIVISION | LENSCHOW | A180 | B | 98K076644 |
| LEROY A. BARRETT'S SUB | BARR LA | 34 | 47 | |
| LEROY OAKES PROFESSIONAL CTR | LEROYOKPC | | | 2005K121424 |
| LEROY OAKES PROFESSIONAL CTR | LEROYOKPC 2 | | | 2007K119723 |
| LEROY OAKES PROFESSIONAL CTR | LEROYOKPC 3 | | | 2008K085372 |
| LEROY OAKS RESUBDIVISION | LEROYOAK/ | | | 2005K055568 |
| LESSENDEN'S ADD | LESNDN | 11 | 46 | |
| LEUER FARM VIEW SUBDIVISION | LEUERFMVW | | | 2004K054721 |
| LEVEQUE'S SUB | LEVEQ | 5 | 55 | |
| LEVINE BROS. RESUB | LEVBR/ | 73 | 16 | |
| LEVINE BROS. SUB, | LEVBR 1 | 66 | 09 | |
| LEVINE BROS. SUB, | LEVBR 2 | 71 | 34 | |
| LEVINE BROS. SUB, | LEVBR 3 | 71 | 42 | |
| LEVINE BROS. SUB, | LEVBR 4 | 71 | 43 | |
| LEVINE BROS. SUB, | LEVBR 5 | 72 | 40 | |
| LEVINE BROS. SUB, | LEVBR 6 | 72 | 41 | |
| LEVINE BROS. SUB, | LEVBR 7 | 19 | B | 1467541 |
| LEVINE BROS. SUB, | LEVBR 8 | 20 | A | 1467542 |
| LEVINE BROS. SUB, | LEVBR 9 | 20 | B | 1467543 |
| LEWIS WILDER'S ADD | WILDR L | 6 | 27 | |
| LEXINGTON HIGHLANDS | LEXTHD | 42 | 33 | |
| LIBERTY BUSINESS CENTER NORTH AURORA | LIBERTYBCNA | | | 2007K125658 |
| LIBRARY SUB | LIBRY | 15 | 42 | |
| LIES SECOND SUB | LIES 2 | R826 | 479 | |
| LIFE STORAGE CENTERS SUBDIVISION | LIFESTORCTR | | | 2007K114618 |
| LILLIAN R. ALSCHULER'S | ALSR L | 35 | 50 | |
| LILY LAKE | LILYL | 7 | 26 | |
| LINCOLN ADD | LINCN | 15 | 39 | |
| LINCOLN HEIGHTS | LINHT | 25 | 42 | |
| LINCOLN VIA | LINCNV | 62 | 34 | |
| LINCOLN VIA, UNIT 2 | LINCNV 2 | 63 | 19 | |
| LINCOLN VIA, UNIT 3 | LINCNV 3 | 270 | B | 1810761 |
| LINCOLNWOOD TERRACE | LINCWDTR | 693 | A&B | 92K41512 |
| LINCOLNWOOD, UNIT 1 | LINWD 1 | 41 | 16 | |
| LINCOLNWOOD, UNIT 2 | LINWD 2 | 41 | 42 | |
| LINDEN GROVE | LINDENGR | A727 | B* | 2003K083911 |
| LINDEN WOODS CONDO | LINDWDC | | | 2001K029266 |
| LINDEN WOODS CONDO | LINDWDC 2 | | | 2001K125694 |
| LINDEN WOODS CONDO | LINDWDC 1 | | | 2001K082621 |
| LINDENS ESTATES PUD | LINDENET | | | 2005K066264 |
| LINDENS UNIT 1 | LINDEN 1 | A470 | B* | 2001K023721 |
| LINDENS UNIT 2 | LINDEN 2 | A507 | A&B* | 2001K069822 |
| LINDENS UNIT 3 | LINDEN 3 | A560 | B* | 2002K001747 |
| LINDENS UNIT 4 | LINDEN 4 | A726 | A&B* | 2003K082750 |
| LINDENS UNIT 5 | LINDEN 5 | A656 | A&B* | 2002K128384 |
| LINDGREN'S SUB | LINGRN | 39 | 20 | |
| LINDNER LAND | LINDNRLD | 789 | A | 93K73360 |
| LINDOO & WHITE RESUB | LIND&WHIT | A426 | A | 2000K083385 |
| LITTLE MANOR | LITTMN | 44 | 38 | |
| LITTLE'S ACRES | LITAC | 67 | 38 | |
| LITTLE'S PLAT OF CONSOLIDATION | LITCONSOL | | | 2008K093495 |
| LIVINGSTON'S ADD | LIVGSTN | 23 | 12 | |
| LLOYD'S GROVE SUB | LLOYDGR | 702 | A&B | 92K58514 |
| LOBIANCO ADD | LOBANC | 39 | 21 | |
| LOBRILLOS RESUBDIVISION | LOBRILLO/ | A418 | A | 2000K074637 |
| LOCAL 501 SUBDIVISION | LOCAL501 | A640 | B | 2002K109923 |
| LOCK FACTORY ADD | LOCKFTY | 12 | 20 | |
| LOCKWOOD'S SUB | LOCKWD | 1 | 50 | |
| LODI, NOW MAPLE PARK | LODI | 33 | 356 | |
| LOLAN CONDO OF S. ELGIN | LOCOND 1 | 70 | 50 | |
| LONGMEADOW OF FOX CHASE | LONGM FC | 72 | *10 | |
| LONGVIEW CONDOMINIUM | LONGVWC | | | 2008K033214 |
| LONGVIEW ESTATES | LONGVWET | 43 | 29 | |
| LOOTENS DEVELOPMENT | LOOTND | 801 | B | 93K85663 |
| LORA LEI ACRES | LORALEI | 931 | A&B | 95K031693 |
| LORD'S 2ND ADD | LORD 2 | 4 | 118 | |
| LORD'S 6TH ADD | LORD 6 | 12 | 19 | |
| LORD'S PARK ADD | LORDPK | 7 | 47 | |
| LORD'S RESUB | LORD/ | 15 | 28 | |
| LORD'S SUB | LORD | 5 | 12 | |
| LOREN DAVIS SUB | DVS L | 57 | 40 | |
| LORLYN SUB UNIT 1 | LORLYN 1 | 62 | 28 | |
| LORLYN SUB UNIT 2 | LORLYN 2 | 66 | 6&7 | |
| LORRAINE TERRACE | LORRNTER | 26 | 8 | |
| LOT 1 WINDSOR'S 1ST ADD | W1 VCC 1 | | | 1913986 |
| LOT 10 WINDSOR'S 1ST ADD | W1 VCC 10 | | | 1922197 |
| LOT 11 WINDSOR'S 1ST ADD | W1 VCC 11 | | | 1923164 |
| LOT 12 WINDSOR'S 2ND ADD | W2 VCC 12 | | | 1949384 |
| LOT 13 WINDSOR'S 2ND ADD | W2 VCC 13 | | | 1952661 |
| LOT 14 WINDSOR'S 2ND ADD | W2 VCC 14 | | | 1957402 |
| LOT 15 WINDSOR'S 2ND ADD | W2 VCC 15 | | | 1957403 |
| LOT 16 CAMPTON SQUARE CONDOMINIUM | CAMSQL16C | | | 2007K075946 |
| LOT 16 WINDSOR'S 2ND ADD | W2 VCC 16 | | | 1960800 |
| LOT 17 WINDSOR'S 2ND ADD | W2 VCC 17 | | | 1961545 |
| LOT 18 WINDSOR'S 2ND ADD | W2 VCC 18 | | | 1964468 |
| LOT 19 WINDSOR'S 2ND ADD | W2 VCC 19 | | | 1967033 |
| LOT 2 WINDSOR'S 1ST ADD | W1 VCC 2 | | | 1913987 |
| LOT 20 WINDSOR'S 2ND ADD | W2 VCC 20 | | | 1971912 |
| LOT 21 WINDSOR'S 2ND ADD | W2 VCC 21 | | | 1973919 |
| LOT 22 WINDSOR'S 2ND ADD | W2 VCC 22 | | | 1975840 |
| LOT 23 WINDSOR'S 2ND ADD | W2 VCC 23 | | | 1978039 |
| LOT 24 WINDSOR'S 2ND ADD | W2 VCC 24 | | | 1984059 |
| LOT 3 WINDSOR'S 1ST ADD | W1 VCC 3 | | | 1916278 |
| LOT 4 WINDSOR'S 1ST ADD | W1 VCC 4 | | | 1928146 |
| LOT 5 WINDSOR'S 1ST ADD | W1 VCC 5 | | | 1931116 |
| LOT 6 WINDSOR'S 1ST ADD | W1 VCC 6 | | | 1913988 |
| LOT 7 MONTGOMERY BUSINESS PARK | LT7MBPK2C | | | 2005K074188 |
| LOT 7 WINDSOR'S 1ST ADD | W1 VCC 7 | | | 1910812 |
| LOT 8 WINDSOR'S 1ST ADD | W1 VCC 8 | | | 1913989 |
| LOT 9 WINDSOR'S 1ST ADD | W1 VCC 9 | | | 1921498 |
| LOUIS BECKLINGER'S ADD | BCKA L | 12 | 8 | |
| LOUJAKE ALDEN | LOUJAKEALD | | | 2005K029819 |
| LOUJAKE WATERFORD CTR | LOUJAKE | A748 | A&B | 2003K099866 |
| LOUJAKE WATERFORD CTR ADD 1 | LOUJAKE 1 | | | 2004K149838 |
| LOUJAKE WATERFORD CTR ADD 2 | LOUJAKE 2 | | | 2005K132787 |
| LOVE BROS' INC SUB | LOVEBRI | 23 | 3 | |
| LOVELL'S ADD | LOVL | 3 | 118 | |
| LOVELL'S GROVE 2ND ADD | LOVLGR 2 | 21 | 13 | |
| LOVELL'S GROVE ADD | LOVLGR | 13 | 13 | |
| LOVELL'S SUB | LOVLS | 3 | 122 | |
| LPC SUB | LPC | 189 | A | 1674491 |
| LU-NA PARK | LUNAPK | | | 2006K076169 |
| LU-NA PARK CONDOMINIUM | LUNAPKC | | | 2007K054985 |
| LUCKS NEW ADD | LUCKN | 13 | 12 | |
| LUCY COULTER'S SUB | COULR L | 19 | 16 | |
| LUDLOW ADD | LUDLW | 11 | 9 | |
| LUG & PLAIN'S SUB | LUG&PLN | 1 | 66 | |
| LUKES LANDING | LUKESLDG | | | 2005K066350 |
| LUNDSTROM MANOR, UNIT 1 | LUNDSMN 1 | 40 | 14 | |
| LUNDSTROM MANOR, UNIT 2 | LUNDSMN 2 | 40 | 35 | |
| LYNCH'S SUB | LYNCH | 7 | 48 | |
| LYNCH-MOORE SUB, UNIT 1 | LYN-MOR 1 | 67 | 17 | |
| LYNCH-MOORE SUB, UNIT 2 | LYN-MOR 2 | 23 | A | 1470409 |
| LYNCH-MOORE SUB, UNIT 3 | LYN-MOR 3 | 143 | B | 1530174 |
| LYNCH-MOORE SUB, UNIT 4 | LYN-MOR 4 | 887 | A&B | 94K087869 |
| LYON ADD | LYON | 28 | 18 | |
