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Johnson County Online Mapping FAQ's
How
do I order a map?
To order an AIMS map you will need to contact the Mapper of the Day (MOD)
at 913-715-1600. To learn more about what types of maps are available go
to http://www.jocogov.org/dept/aims/products-and-services.
Do you have maps for areas outside Johnson County?
AIMS only maintains data that is located in
Johnson County. To obtain data outside of Johnson County you will want to
contact the county or city in which the data resides.
Can I link other web pages to the internet maps?
You are welcome to point to the Johnson County AIMS internet map
services from other locations, however, please remember that this service is provided as a
free service by Johnson County and the County is in no way liable for
the reliability of this service or the data obtained through the mapping
service. Please site Johnson County, AIMS as a source
when referencing information from the site.
Do you have historic or old data?
AIMS has a limited amount of historic or old
data. Many of the systems in place today weren't present even 10
years ago so AIMS is limited to the amount of digital hitoric data that
can be accessed. To order or
obtain information about AIMS historic data you may contact the Mapper of
the Day (MOD) at 913-715-1600.
How do I find out who owns a piece of property?
You will need to obtain a parcel ID number for
the property your looking up. Once you have a parcel ID number you will be
able to look up owner information through the county Records and Tax Admininstration (RTA) office. See below for information
about contacting the RTA office.
Why doesn't it show owner address and owner name?
Owner information is protected by Kansas statute for the benefit of
Kansas residents. Please see the "Kansas Open Records
Act" section under the disclaimer section on this page. To
obtain owner information, the County requires a form be signed by the
requestor acknowledging compliance with the Kansas Open Records Act. This information
can be requested from the RTA office. You can contact the
County Clerk at (913) 715-0775 or email him at [email protected]
How accurate are the property lines?
It should be remembered that parcel data is always evolving, hopefully to be more reliable and accurate, but it should still be considered a MODEL of the physical and legal world, and not an exact replica.
In general, AIMS strives to have any point be within 10 to 15 feet plus
or minus of its true position. The property layer is laid in using section corners, therefore the property accuracy highly depends on the section corners. Using the National Standard for Spatial Data Accuracy, (a sample of) the section corners tested 10.296 feet horizontal accuracy at the 95% confidence level.
What do the different colors mean?
The legend displaying the different colors and
features may be found at http://ims.jocogov.org/ims/aims2/help/legend.asp
or
viewed by clicking the word LEGEND under the
'Choose a Feature' box.
Why can it not find my address when I enter it in?
The address you have entered doesn't match with
the data in our address or property databases. The most common reasons for addresses not matching are:
misspelled words, the address number doesn't fall within the address range,
and incorrect street abbreviations. A copy of AIMS addressing standards
can be found at http://aims.jocogov.org/OtherResources/Documents.aspx.
Have my taxes been paid?
To find out if your taxes have been paid or to
answer other property tax related questions, you
will need to contact the Treasure's Office. You can contact the
Treasure Office at (913) 715-2600 or email them at [email protected].
Do you have a copy of the plat?
Uncertified copies of plats
can be download by clicking the plat name hyperlink on the pages when a
property or plat is identified. Certified copies of
plats may be obtained
through the RTA office. There is a $5.00 fee for each plat
requested. The RTA office also provides information on other
recorded documents such as deeds, subdivisions, mortgages, and
certificate of surveys. You can contact the RTA
office at (913) 715-0775 or email them at [email protected].
How do I obtain digital data
contained in these maps services?
The County licenses all digital data that comprises the on-line map
services. When you acces the map services you are only getting
images of the data and not the actual data. Some users require the
actual data to use in their own applications. AIMS offers a service called Digital Data Request (DDR) to request
digital data online. To find out more about DDR, go to
http://ims.jocogov.org/ddr/default.aspx.
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General Information |
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Johnson County is located in the southwest portion of the Kansas City
metropolitan area in eastern Kansas. The County is 476 square miles
and has approximately 210,000 parcels. The County is comprised of 20
cities with approximately one-third of the land area in incorporated cities.
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| Legend |
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Legend information can be found by selecting the "Legend" link on the
map or by clicking here.
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| Using the Maps
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| The Internet Map Server (IMS) enable users to create
their own dynamic maps interactively. To do this, the user is presented
with a number of tools and options to interactively control the map in the web
browser. More information can be found at the On-Line
Help page.
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| Disclaimers
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Kansas Open Records Act
"No person shall knowingly sell, give or receive, for the purpose of selling or offering for sale, any property or service to persons listed therein, any list of names and addresses contained in, or derived from public records..."
K.S.A. 21-3914. Violation of this law is a Class C Misdemeanor and can subject the violator to prosecution and imprisonment up to 30 days and a fine of $500.00. Violators will be reported for prosecution. By accessing this site, the user makes the following certification pursuant to
K.S.A. 45-220(c)(2): "the requester does not intend to, and will not: (A) Use any list of names or addresses contained in or derived from the records or information for the purpose of selling or offering for sale any property or service to any person listed or to any person who resides at any address listed; or (B) sell, give or otherwise make available to any person any list of names or addresses contained in or derived from the records or information for the purpose of allowing that person to sell or offer for sale any property or service to any person listed or to any person who resides at any address listed."
AIMS Data
No person shall sell, give or receive for the purpose of
selling or offering for sale, any portion of the data provided herein.
Johnson County makes every effort to produce and publish the most current and accurate information possible. Johnson County assumes no liability whatsoever associated with the use or misuse of such data, and disclaims any representation or warranty as to the accuracy of the data.
FEMA Flood Plain Data
The flood plains displayed on the digital internet maps represent the
approximate boundaries of the floodway and flood fringe shown within the Federal
Emergency Management Agency National Flood Insurance Program Q3 Flood Data
digital maps. Although this graphical depiction may be useful for
highlighting proximity to potential flooding, it cannot be used to assess the
necessity for flood insurance or the certainty that a parcel or building lies
within the floodway or flood fringe.
Plat Images
Plat images obtained over the Internet are non-certified copies of
plats. Users of this data should always consult the primary public
information source of this data available through the Johnson County
Register of Deeds office. Scanned images may not be to scale.
Use scanned plats images at your own risk. You can contact the Records and Tax Administration office at (913) 715-2300 or email them at [email protected].
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Data Accuracy and Currency |
Accuracy
Property
It should be remembered that parcel data is always evolving, hopefully to be more reliable and accurate, but it should still be considered a MODEL of the physical and legal world, and not an exact replica.
In general, AIMS strives to have any point be within 10 to 15 feet plus
or minus of its true position. The property layer is laid in using section corners, therefore the property accuracy highly depends on the section corners. Using the National Standard for Spatial Data Accuracy, (a sample of) the section corners tested 10.296 feet horizontal accuracy at the 95% confidence level.
Planimetrics
In general, the planimetric data accuracy should be 1.0 foot for well-defined
features. This accuracy varies a little between vertical and horizontal
accuracy as well as between the 1:50' and 1:100' scale data. The
planimetric data meets American Society for Photogrammetry and Remote Sensing (ASPRS)
Class 1 planimetric accuracy requirements. More information regarding
planimetric accuracy standards can be found at http://www.fgdc.gov/standards/documents/standards/accuracy/chapter4.pdf
Orthophotos
Orthophotos accuracies are the same as described for planimetric data.
Aerial Photos
Aerial photos, like property lines, undergo a simple rectification process that
does a "best placement" of the data. Therefore, the accuracy
varies across the County and is affected by land relief, available data to
rectify to, and quality of other data sources. Aerial photos are expected
to to be accurate within 20 feet of actual location however there are known areas
in the county the fall outside this accuracy.
All other data layers
Other data layers vary widely due their origin, collection methods,
etc. Other data layers are expected to be as accurate as possible given
the method by which they were collected however no decision should be based on
the accuracy of the data without first qualifying the data accuracy.
Currency
Like accuracy, currency of the data
varies from between datasets. The data is comprised of static and dynamic
data. Static datasets change infrequently and may be updated once a year
or less. Dynamic datasets can change as frequently as daily. Updates
and changes to datasets such as property, city boundaries, and streets can only
be updated once changes have been made internally in the County. Property
lines and address information are updated nightly.
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| AIMS Information |
| Efficient government is possible only when decision-makers
have good information readily available. The Johnson County AIMS (Automated
Information Mapping System) was initiated by the Board of County
Commissioners in the mid-1980s. The major reason for developing AIMS was to
enable the county to meet the rigorous mapping and documentation requirements of
the complete property reappraisal mandated by the Kansas State Legislature. More
generally, County management recognized that having accurate, current maps
available would be beneficial in many ways, in such diverse areas as utility
construction and maintenance, property valuation and parcel-related research,
land-use planning, site selection and economic development, and strategic
planning, in addition to the whole suite of services that the County government
provides to its citizens.
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| Aerial Photo Information
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Aerial photos are taken in the spring of even years. Currently the County
maintains digital aerials for 1994, 1996, 1998, 2000, and 2002. The scale of the
images are 1:24,000. The pixel resolution of the 1994, 1996, and 1998
images are 2 foot while the 2000 and 2002 images are 1 foot.
Orthophotos are updated every four years. Two sets of digital county-wide orthophotos exist. The scale of the orthophotos is 1:6,000 and the pixel
resolution in 0.5 foot. The most recent orthophotos were taken at the end of March, 2006. The previous orthphoto set was flown in 2003, and 2000.
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| Technical Data Information |
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Parcel Information
The property database is comprised of 210,000 parcel polygons. The
property is stored as a feature class in ArcSDE. Property
attributes are accessed in three ways. Some are pre-calculated and stored
in the property layer, some are calculated on the fly, and some are stored in a
SQL Server 2000 database.
Aerial Images
All aerial imagery is compressed from tiled imagery into seamless county-wide
MrSID images. The images range in size from 250 megabytes for low
resolution images (2 foot resolution) up to 1.3 gigabytes for 0.5 foot
resolution orthophotos. The images are taken in the spring of each even
year.
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| System Information |
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This internet map application is served from a dual-processor Intel Xeon 3.6GHz server with
approximately 2GB of RAM. Storage is a RAID 5 array with 5 72 gigabyte drives. The server runs on Windows 2003 and IIS
5.0.
The application was developed using Microsoft's
Visual Basic 6.0 and ESRI's MapObjects 2.0 and MapObjectsIMS
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| Usage Statistics |
The IMS currently averages about 15,600
hits per day with the majority of those hits coming between 8
a.m. and 5 p.m., Monday through Friday. This equates to
approximately 2000 maps drawn every hour during business hours. 2006 usage
increased more than 15% over 2005 usage.
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