| Cemetery Lane (west side of S. Main Street and south side of Potomac Street) | C | WA-II-977 -- Boonsboro Cemetery |
| Center Street | C | |
| 8 High Street | C | |
| 20 High Street | C | |
| 21 High Street | C | |
| 22 High Street | C | |
| 28 Hight Street | C | |
| Lakin and Center Street (4 Lakin Avenue) | C | |
| 101 Lakin Avenue | C | |
| 102 Lakin Avenue | C | |
| 103-105 Lakin Avenue | C | |
| 104 Lakin Avenue | C | |
| 107 Lakin Avenue | C | |
| 108 Lakin Avenue | C | |
| 109-111 Lakin Avenue | C | |
| 112 Lakin Avenue | C | |
| 113 Lakin Avenue | C | |
| 116 Lakin Avenue | C | |
| 117 Lakin Avenue | C | |
| 119 Lakin Avenue | C | |
| 120 Lakin Avenue | C | |
| 121 Lakin Avenue | C | |
| 122 Lakin Avenue | C | |
| 125 Lakin Avenue | C | |
| 127 Lakin Avenue | C | |
| 130 Lakin Avenue | C | |
| 133 Lakin Avenue | C | |
| 134 Lakin Avenue | C | |
| 135 Lakin Avenue | C | |
| 136 Lakin Avenue | C | |
| 138 Lakin Avenue | C | |
| 139 Lakin Avenue | C | |
| 141 Lakin Avenue | C | |
| N. Main Street (Alt. US 40) | C | Park Drive |
| N. Main Street (Alt. US 40) | C | Electric Railway depot/Ice Co. office |
| N. Main Street (Alt. US 40) | C | WA-II-982 -- World War I Monument |
| 1 S. Main Street (Alt. US 40) | C | WA-II-769 -- McHenry's (The Hatch) |
| 1-5 N. Main Street (Alt. US 40) | C | WA-II-770 -- Boone Hotel (Eagle Hotel, Mountain Glen Hotel, Commercial Hotel) |
| 2-4 S. Main Street (Alt. US 40) | C | WA-II-853 -- U.S. Hotel |
| 2-6 N. Main Street (Alt. US 40) | C | |
| 5-7 S. Main Street (Alt. US 40) | C | |
| 6-8 S. Main Street (Alt. US 40) | C | |
| 7-9 N. Main Street (Alt. US 40) | C | WA-II-771 -- Fitz' Place |
| 8-10 N. Main Street (Alt. US 40) | C | |
| 9-11 S. Main Street (Alt. US 40) | C | |
| 10-12 S. Main Street (Alt. US 40) | C | WA-II-855 -- Boonsboro Liquors |
| 11 N. Main Street (Alt. US 40) | C | |
| 12-14 N. Main Street (Alt. US 40) | C | |
| 13-15 N. Main Street (Alt. US 40) | C | |
| 14-16 S. Main Street (Alt. US 40) | C | |
| 15-19 S. Main Street (Alt. US 40) | C | |
| 16-18 N. Main Street (Alt. US 40) | C | |
| 19 N. Main Street (Alt. US 40) | C | WA-II-774 -- Boonsboro Public Library |
| 20 N. Main Street (Alt. US 40) | C | WA-II-848 -- Boonsboro Hardware |
| 20 S. Main Street (Alt. US 40) | C | |
| 21 S. Main Street (Alt. US 40) | C | |
| 21-23 N. Main Street (Alt. US 40) | C | |
| 22 S. Main Street (Alt. US 40) | C | |
| 23-25 S. Main Street (Alt. US 40) | C | |
| 24 S. Main Street (Alt. US 40) | C | |
| 24-26 N. Main Street (Alt. US 40) | C | |
| 26 S. Main Street (Alt. US 40) | C | |
| 27 S. Main Street (Alt. US 40) | C | WA-II-763 -- IOOF Hall |
| 27 N. Main Street (Alt. US 40) | C | |
| 28 S. Main Street (Alt. US 40) | C | |
| 29 N. Main Street (Alt. US 40) | C | |
| 29-31 S. Main Street (Alt. US 40) | C | |
| 30-32 N. Main Street (Alt. US 40) | C | |
| 30-32 S. Main Street (Alt. US 40) | C | |
| 31-33 N. Main Street (Alt. US 40) | C | |
| 36 S. Main Street (Alt. US 40) | C | |
| 36-38 N. Main Street (Alt. US 40) | C | |
| 37 S. Main Street (Alt. US 40) | C | |
| 39-41 N. Main Street (Alt. US 40) | C | |
| 40 S. Main Street (Alt. US 40) | C | |
| 40-42 N. Main Street (Alt. US 40) | C | |
| 41 S. Main Street (Alt. US 40) | C | |
| 43 N. Main Street (Alt. US 40) | C | |
| 44 N. Main Street (Alt. US 40) | C | |
| 45-47 S. Main Street (Alt. US 40) | C | |
| 46 S. Main Street (Alt. US 40) | C | |
| 49 S. Main Street (Alt. US 40) | C | |
| 50 S. Main Street (Alt. US 40) | C | |
| 59-61 Main Street (Alt. US 40) | C | |
| 64 S. Main Street (Alt. US 40) | C | WA-II-867 -- Trinity Evangelical and Reformed Church |
| 65 S. Main Street (Alt. US 40) | C | |
| 66 S. Main Street (Alt. US 40) | C | WA-II-868 -- Trinity Evangelical and Reformed Church Parsonage |
| 67 S. Main Street (Alt. US 40) | C | |
| 69 S. Main Street (Alt. US 40) | C | |
| 101 N. Main Street (Alt. US 40) | C | WA-II-781 -- The Heavenly Shop |
| 101 S. Main Street (Alt. US 40) | C | |
| 102-104 N. Main Street (Alt. US 40) | C | |
| 103-105 N. Main Street (Alt. US 40) | C | |
| 108 N. Main Street (Alt. US 40) | C | |
| 109 N. Main Street (Alt. US 40) | C | WA-II-783 -- Bast Furniture |
| 109 S. Main Street (Alt. US 40) | C | |
| 110 S. Main Street (Alt. US 40) | C | |
| 112 S. Main Street (Alt. US 40) | C | |
| 112 N. Main Street (Alt. US 40) | C | |
| 113 N. Main Street (Alt. US 40) | C | WA-II-784 -- Boonsborough Museum of History |
| 113 S. Main Street (Alt. US 40) | C | |
| 114-116 N. Main Street (Alt. US 40) | C | |
| 115 N. Main Street (Alt. US 40) | C | |
| 115 S. Main Street (Alt. US 40) | C | |
| 116 S. Main Street (Alt. US 40) | C | |
| 118 N. Main Street (Alt. US 40) | C | |
| 119 N. Main Street (Alt. US 40) | C | |
| 119 S. Main Street (Alt. US 40) | C | |
| 120 S. Main Street (Alt. US 40) | C | |
| 120 N. Main Street (Alt. US 40) | C | |
| 121 N. Main Street (Alt. US 40) | C | |
| 121 S. Main Street (Alt. US 40) | C | |
| 122-124 S. Main Street (Alt. US 40) | C | |
| 134 S. Main Street (Alt. US 40) | C | WA-II-878 -- Mount Nebo United Methodist Church |
| 136 S. Main Street (Alt. US 40) | C | |
| 140-142 S. Main Street (Alt. US 40) | C | |
| 144 S. Main Street (Alt. US 40) | C | |
| 146 S. Main Street (Alt. US 40) | C | |
| 200 N. Main Street (Alt. US 40) | C | |
| 204 N. Main Street (Alt. US 40) | C | |
| 206 N. Main Street (Alt. US 40) | C | |
| 206 S. Main Street (Alt. US 40) | C | |
| 208 N. Main Street (Alt. US 40) | C | |
| 209 S. Main Street (Alt. US 40) | C | |
| 210 S. Main Street (Alt. US 40) | C | |
| 210 N. Main Street (Alt. US 40) | C | |
| 213 S. Main Street (Alt. US 40) | C | |
| 214 S. Main Street (Alt. US 40) | C | |
| 214 N. Main Street (Alt. US 40) | C | WA-II-830 -- True Value Hardware |
| 215 S. Main Street (Alt. US 40) | C | |
| 215 N. Main Street (Alt. US 40) | C | |
| 217 S. Main Street (Alt. US 40) | C | |
| 220 S. Main Street (Alt. US 40) | C | |
| 221 S. Main Street (Alt. US 40) | C | |
| 221 N. Main Street (Alt. US 40) | C | |
| 227 N. Main Street (Alt. US 40) | C | WA-II-790 -- VFW Building |
| 227 S. Main Street (Alt. US 40) | C | |
| 229 S. Main Street (Alt. US 40) | C | |
| 229 N. Main Street (Alt. US 40) | C | |
| 234 S. Main Street (Alt. US 40) | C | |
| 236 S. Main Street (Alt. US 40) | C | |
| 237 S. Main Street (Alt. US 40) | C | |
| 239 N. Main Street (Alt. US 40) | C | |
| 241 N. Main Street (Alt. US 40) | C | |
| 243-245 N. Main Street (Alt. US 40) | C | |
| 300 N. Main Street (Alt. US 40) | C | |
| 301 S. Main Street (Alt. US 40) | C | |
| 302 N. Main Street (Alt. US 40) | C | |
| 303 N. Main Street (Alt. US 40) | C | |
| 305 N. Main Street (Alt. US 40) | C | |
| 305 S. Main Street (Alt. US 40) | C | |
| 307 N. Main Street (Alt. US 40) | C | |
| 308 N. Main Street (Alt. US 40) | C | WA-II-829 -- Thomas & Sons, Inc. |
| 309 S. Main Street (Alt. US 40) | C | |
| 310 S. Main Street (Alt. US 40) | C | |
| 311 N. Main Street (Alt. US 40) | C | |
| 312 S. Main Street (Alt. US 40) | C | Cronise Market |
| 314 N. Main Street (Alt. US 40) | C | |
| 315 N. Main Street (Alt. US 40) | C | |
| 316 N. Main Street (Alt. US 40) | C | |
| 318 N. Main Street (Alt. US 40) | C | |
| 319 N. Main Street (Alt. US 40) | C | |
| 320 N. Main Street (Alt. US 40) | C | |
| 323 N. Main Street (Alt. US 40) | C | WA-II-478 -- Bowman House+G2893 |
| 327 N. Main Street (Alt. US 40) | C | |
| 330 N. Main Street (Alt. US 40) | C | |
| 331 N. Main Street (Alt. US 40) | C | |
| 332 N. Main Street (Alt. US 40) | C | |
| 333-335 N. Main Street (Alt. US 40) | C | |
| 337 N. Main Street (Alt. US 40) | C | |
| 400 N. Main Street (Alt. US 40) | C | |
| 404 N. Main Street (Alt. US 40) | C | |
| 409 N. Main Street (Alt. US 40) | C | |
| 412 N. Main Street (Alt. US 40) | C | |
| 414 N. Main Street (Alt. US 40) | C | |
| 416 N. Main Street (Alt. US 40) | C | |
| 418 N. Main Street (Alt. US 40) | C | |
| 419 N. Main Street (Alt. US 40) | C | |
| 420 N. Main Street (Alt. US 40) | C | |
| 421 N. Main Street (Alt. US 40) | C | |
| 422 N. Main Street (Alt. US 40) | C | |
| 423 N. Main Street (Alt. US 40) | C | |
| 424 N. Main Street (Alt. US 40) | C | |
| 425 N. Main Street (Alt. US 40) | C | |
| 427 N. Main Street (Alt. US 40) | C | |
| 4 McKeldin Drive | C | |
| 5 McKeldin Drive | C | |
| 7 McKeldin Drive | C | |
| 8 McKeldin Drive | C | |
| 10 McKeldin Drive | C | |
| 12 McKeldin Drive | C | |
| 13 McKeldin Drive | C | |
| 14 McKeldin Drive | C | |
| Park Drive | C | |
| Park Drive | C | |
| 3 Park Drive | C | |
| 4 Park Drive | C | |
| 7 Park Drive | C | |
| 108 Park Lane | C | |
| 4 Park View | C | |
| 6 Park View | C | |
| 8 Park View | C | |
| 10 Park View | C | |
| Potomac Street (MD 34) | C | WA-II-932 -- Trinity Evangelical Reformed Church (United Church of Christ) |
| 7 Potomac Street (MD 34) | C | |
| 14 Potomac Street (MD 34) | C | |
| 15 Potomac Street (MD 34) | C | |
| 19 Potomac Street (MD 34) | C | |
| 23 Potomac Street (MD 34) | C | |
| 27 Potomac Street (MD 34) | C | |
| 28 Potomac Street (MD 34) | C | |
| 34 Potomac Street (MD 34) | C | |
| 35 Potomac Street (MD 34) | C | |
| 36 Potomac Street (MD 34) | C | |
| 101 Potomac Street (MD 34) | C | |
| 105 Potomac Street (MD 34) | C | |
| 106 Potomac Street (MD 34) | C | |
| 107 Potomac Street (MD 34) | C | |
| 110 Potomac Street (MD 34) | C | |
| 111 Potomac Street (MD 34) | C | |
| 112 Potomac Street (MD 34) | C | |
| 114 Potomac Street (MD 34) | C | |
| 115 Potomac Street (MD 34) | C | |
| 118 Potomac Street (MD 34) | C | |
| 122 Potomac Street (MD 34) | C | |
| 123 Potomac Street (MD 34) | C | |
| 124 Potomac Street (MD 34) | C | |
| 202 Potomac Street (MD 34) | C | |
| 203 Potomac Street (MD 34) | C | |
| 206 Potomac Street (MD 34) | C | |
| 207 Potomac Street (MD 34) | C | |
| 211 Potomac Street (MD 34) | C | |
| 212 Potomac Street (MD 34) | C | |
| 217 Potomac Street (MD 34) | C | |
| 220 Potomac Street (MD 34) | C | |
| 221 Potomac Street (MD 34) | C | |
| 224 Potomac Street (MD 34) | C | |
| 225 Potomac Street (MD 34) | C | |
| 230 Potomac Street (MD 34) | C | WA-II-915 -- Public School No. 7 (Old School Fabrics) |
| 236 Potomac Street (MD 34) | C | |
| 238 Potomac Street (MD 34) | C | |
| Potomac Street (north/side) | C | Post Office |
| 2 Saint Paul Street | C | WA-II-940 -- First Christian Church |
| 3 Saint Paul Street | C | |
| 5 Saint Paul Street. | C | First Hose Co. of Boonsboro |
| 6-10 Saint Paul Street | C | |
| 11 Saint Paul Street | C | WA-II-959 -- Boonsboro Municipal Building |
| 12 Saint Paul Street | C | |
| 14 Saint Paul Street | C | |
| 15-17 Saint Paul Street | C | |
| 16 Saint Paul Street | C | |
| 21 Saint Paul Street | C | |
| 22 Saint Paul Street | C | |
| 26 Saint Paul Street | C | |
| 34 Saint Paul Street | C | |
| 35 Saint Paul Street | C | |
| 36 Saint Paul Street | C | |
| 37 Saint Paul Street | C | |
| 40 Saint Paul Street | C | WA-II-948 -- Weldon |
| 50 Saint Paul Street | C | |
| 60 Saint Paul Street | C | |
| 101 Saint Paul Street | C | |
| 102 Saint Paul Street | C | |
| 104 Saint Paul Street | C | |
| 105 Saint Paul Street | C | |
| 106 Saint Paul Street | C | |
| 108 Saint Paul Street | C | |
| 109 Saint Paul Street | C | |
| 111 Saint Paul Street | C | |
| 112 Saint Paul Street | C | |
| 3 Young Avenue | C | |
| 5 Young Avenue | C | |
| 8 Young Avenue | C | |
| 9 Young Avenue | C | |
| 10 Young Avenue | C | |
| 11 Young Avenue | C | |
| 14 Young Avenue | C | |
| 15 Young Avenue | C | |
| 17 Young Avenue | C | |
| 18 Young Avenue | C | |
| 19 Young Avenue | C | |
| 20 Young Avenue | C | |
| 21A Young Avenue | C | |
| 22 Young Avenue | C | |
| 24 Young Avenue | C | |
| 25 Young Avenue | C | |
| 27 Young Avenue | C | |
| 28 Young Avenue | C | |
| alley behind 35 and 37 Saint Paul Street | NC | |
| 1012 Boon Place | NC | |
| 32 Center Street | NC | |
| 114 Center Street | NC | |
| 214 Center Street | NC | |
| 230 Center Street | NC | |
| 31 High Street | NC | |
| 33 High Street | NC | |
| 39 High Street | NC | |
| Lakin Avenue | NC | Church |
| 128 Lakin Avenue | NC | |
| 132 Lakin Avenue | NC | |
| 140 Lakin Avenue | NC | |
| N. Main Street (Alt. US 40) | NC | F&M Bank |
| N. Main Street (Alt. US 40) | NC | Laundromat |
| N. Main Street (Alt. US 40) | NC | Alex's Gas Station |
| N. Main Street (Alt. US 40) | NC | St. James Catholic Church |
| N. Main Street (Alt. US 40) | NC | Hagerstown Trust Bank |
| 224 S. Main Street (Alt. US 40) | NC | |
| 226-230 S. Main Street (Alt. US 40) | NC | |
| 233 S. Main Street (Alt. US 40) | NC | |
| 300? S. Main Street (Alt. US 40) | NC | |
| 411 N. Main Street (Alt. US 40) | NC | |
| 413 N. Main Street (Alt. US 40) | NC | |
| 417 N. Main Street (Alt. US 40) | NC | |
| 6 McKeldin Drive | NC | |
| 11 McKeldin Drive | NC | |
| 15 McKeldin Drive | NC | |
| 10 Park Drive | NC | |
| 117 Potomac Street (MD 34) | NC | |
| 214 Potomac Street (MD 34) | NC | |
| 9 Saint Paul Street | NC | WA-II-960 -- International Order of Red Men Hall |
| 31 Saint Paul Street | NC | |
| 56 Saint Paul Street | NC | |
| 107 Saint Paul Street | NC | |
| 110 Saint Paul Street | NC | |
| 201 Sinnesen Drive (back half of lot with 214 Potomac Street) | NC | |
| West corner of alley, Saint Paul Street (south/side) | NC | |
| 2 Young Avenue | NC | |
| 12 Young Avenue | NC | |
| 23 Young Avenue | NC | |
| 12 High Street | C/NC | |
| 16 High Street | C/NC | |
| 34 High Street | C/NC | |
| 36 High Street | C/NC | |
| 110 Lakin Avenue | C/NC | |
| 124 Lakin Avenue | C/NC | |
| 126 Lakin Avenue | C/NC | |
| 131 Lakin Avenue | C/NC | |
| 22 N. Main Street (Alt. US 40) | C/NC | |
| 33-35 S. Main Street (Alt. US 40) | C/NC | |
| 51-53 S. Main Street (Alt. US 40) | C/NC | |
| 55-57 S. Main Street (Alt. US 40) | C/NC | |
| 104-106 S. Main Street (Alt. US 40) | C/NC | |
| 107 S. Main Street (Alt. US 40) | C/NC | |
| 108 S. Main Street (Alt. US 40) | C/NC | |
| 114 S. Main Street (Alt. US 40) | C/NC | |
| 118 S. Main Street (Alt. US 40) | C/NC | |
| 141 S. Main Street (Alt. US 40) | C/NC | WA-II-744 -- The Lilacs on Rose Hill |
| 150 S. Main Street (Alt. US 40) | C/NC | |
| 202 S. Main Street (Alt. US 40) | C/NC | |
| 241 S. Main Street (Alt. US 40) | C/NC | |
| 312 N. Main Street (Alt. US 40) | C/NC | |
| 321 N. Main Street (Alt. US 40) | C/NC | |
| 322-324 N. Main Street (Alt. US 40) | C/NC | |
| 326 N. Main Street (Alt. US 40) | C/NC | |
| 334 N. Main Street (Alt. US 40) | C/NC | |
| 408 N. Main Street (Alt. US 40) | C/NC | |
| Park Drive | C/NC | WA-II-976 -- Shafer Memorial Park (Boonsboro Park) |
| 6 Park Drive | C/NC | |
| 102 Park Lane | C/NC | |
| 18 Potomac Street (MD 34) | C/NC | |
| 20 Potomac Street (MD 34) | C/NC | |
| 24 Potomac Street (MD 34) | C/NC | |
| 30 Potomac Street (MD 34) | C/NC | |
| 100 Potomac Street (MD 34) | C/NC | |
| 102 Potomac Street (MD 34) | C/NC | |
| 119 Potomac Street (MD 34) | C/NC | |
| 120 Potomac Street (MD 34) | C/NC | |
| 18 Saint Paul Street | C/NC | |
| 23 Saint Paul Street | C/NC | |
| 27 Saint Paul Street | C/NC | |
| 30 Saint Paul Street | C/NC | |
| 41 Saint Paul Street | C/NC | |
| 42 Saint Paul Street | C/NC | |
| 100 Saint Paul Street | C/NC | |
| 1 Young Avenue | C/NC | |
| 4 Young Avenue | C/NC | |
| 7 Young Avenue | C/NC | |
| 13 Young Avenue | C/NC | |
| 26 Young Avenue | C/NC | |
| 223 S. Main Street (Alt. US 40) | | |
| 237 N. Main Street (Alt. US 40) | | WA-II-792 -- Itnyre House, site |
| 47 Saint Paul Street | | |
| 5 Stouffer Avenue | | WA-II-975 -- Lakin Farmhouse |