GIS Data
- Click Here to see what GIS data is available for download.
Aerial Photography
- 2007 Color Orthophotos (Mr. SID Format)
- CD 1 ($80): Contains the color photo mosaic image of the entire county from high altitude (lower resolution) photography.
- CDs 2-13 ($20 Each): Contain the color photo mosaic of each individual township from lower altitude (higher resolution) photography.
- Set of 2 DVDs ($320): Contains all of the files found on CDs 1 through 13.
The 2007 orthophotos can also be viewed on the Allen County GIS.
- 2003 Orthophotos (Mr. SID Format)
- CD 1 ($80): Contains the photo mosaic image of the entire county from high altitude (lower resolution) photography.
- CD 2 ($80): Contains the photo mosaic image of the City of Lima and vicinity, including all four townships surrounding Lima from lower altitude (higher resolution) photography.
- CDs 3-14 ($20 Each): Contain the photo mosaic of each individual township from lower altitude (higher resolution) photography.
- Set of 2 DVDs ($320): Contains all of the files found on CDs 1 through 14.
- 1998 Orthophotos (Mr. SID Format)
- CD 1 ($20): Contains the photo mosaic image of the entire county from high altitude (lower resolution) photography.
- CD 2 ($20): Contains the photo mosaic image of the City of Lima and vicinity, including all four townships surrounding Lima from lower altitude (higher resolution) photography.
- CDs 3 ($10): Contains the mosaic of the Villages and Delphos from lower altitude (higher resolution) photography.
- CD 4 ($10): Contains all of Fort Shawnee from lower altitude (higher resolution) photography.
The 2003 orthophotos can also be viewed on the Allen County GIS.
- 1990 Orthophotos
- DVD ($20): Contains scanned images of all of our 1990 aerials.
- 1984 Orthophotos
- DVD ($20): Contains scanned images of all of our 1984 aerials.
- 1976 Orthophotos
- DVD ($20): Contains scanned images of all of our 1976 aerials.
- 1964 Aerial Photography
- DVD ($20): Contains scanned images of all of our 1964 aerials.
- 1956 Aerial Photography
- DVD ($20): Contains scanned images of all of our 1956 aerials.
- 1939 Aerial Photography
- DVD ($20): Contains scanned images of all of our 1939 aerials.
Allen County Conveyance Standards
- Click Here for the Standards Governing Conveyances of Real Property in Allen County, Ohio
Benchmarks
- Information regarding USGS, NGS and Army Corps benchmarks in Allen County are available at our office. The Allen County Engineer's Office has also installed numerous benchmarks throughout the county (NGVD 29 Datum). Click on a township below to view the benchmark information.
Amanda, American, Auglaize, Bath, Jackson, Marion, Monroe, Perry, Richland, Shawnee, Spencer, Sugar Creek
View the Allen County Benchmark Map
GPS Control Points
- The Allen County Engineer has established a GPS Control Network and information and references for the control points are available at our office.
- The control point information can also be viewed on the Allen County GIS
LiDAR Data (2003)
- 2003 LiDAR data is available from our office. This data can be used with civil engineering software to generate contours. Call our office for pricing.
Miami and Erie Canal Plans
- The Allen County Engineer's Office has plans for the Miami and Erie Canal through Allen County.
- These plans are also available on the Ohio Department of Natural Resources Division of Water Website.
Microfilm
- Numerous county bridge, drainage and road projects have been microfilmed and are available to the public. Subdivision and condominium plats and plans are also available.
Plat Books
- Allen County Plat Books are available at the Allen County Engineer's Office, Tax Map Office and Auditor's Office.
Railroad Plans
- You may view and print railroad plans below. Hardcopy plans may also be viewed and copied at the Allen County Engineer's Office.
- The Chicago & Erie Railroad
- The Pittsburg, Fort Wayne & Chicago Railroad
- Jackson Township: Page 137, Page 138, Page 139, Page 140, Page 141, Page 142, Page 143
- Bath Township: Page 144, Page 145, Page 146, Page 147
- City of Lima: Page 121, Page 122, Page 123
- American Township: Page 124, Page 125, Page 126, Page 127, Page 128, Page 129
- Marion Township: Page 130, Page 131, Page 132, Page 133, Page 134, Page 135, Page 136
- The Baltimore & Ohio Railroad
- Shawnee Township: Page 72, Page 73, Page 74, Page 75, Page 85, Page 86
- City of Lima: Page 66, Page 76, Page 77, Page 78, Page 79, Page 80, Page 81, Page 82, Page 83, Page 87, Page 88
- Bath Township: Page 67, Page 68, Page 89, Page 90
- Monroe Township: Page 69 , Page 70 , Page 71 , Page 84 , Page 91, Page 92, Page 93
- The Detroit, Toledo & Ironton Railroad
- Perry Township: Page 99, Page 100, Page 119, Page 120
- City of Lima: Page 98, Page 105, Page 106, Page 107, Page 108, Page 109, Page 110, Page 116, Page 117, Page 118
- Bath Township: Page 96, Page 101, Page 102, Page 103, Page 104, Page 114, Page 115
- Monroe Township: Page 94, Page 95, Page 111, Page 112, Page 113
- The Lima & Toledo Traction Line
- The Lake Erie & Western Railroad (Also Known As The A.C. & Y.)
- The New York, Chicago & St. Louis Railroad
- City of Delphos: Page 33, Page 34, Page 35, Page 36, Page 37, Page 38, Page 39, Page 40, Page 41, Page 42, Page 43
- Shawnee Township: Page 11, Page 12, Page 13, Page 14, Page 15, Page 16, Page 17, Page 63, Page 64, Page 65
- City of Lima: Page 53, Page 54, Page 55, Page 56, Page 57, Page 58, Page 59, Page 60, Page 61, Page 62
- Bath Township: Page 5, Page 7, Page 8, Page 9, Page 10, Page 49, Page 50, Page 52
- Richland Township: Page 1, Page 2, Page 3, Page 4, Page 6, Page 44, Page 45, Page 46, Page 47, Page 48
Right-of-Way Information
- Right-of-way information is available for most county and township roads at our office.
Section Stone Information
- Section stone information and references are available at our office.
View the Allen County Stone Map
USGS Quadrangle/Topographic Maps
- These maps depict land features and elevations developed by the United States Geological Survey. Maps covering all of Allen County are on hand, as well as some surrounding counties.
- These maps are also available on the United States Geological Survey Website.


