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The answer is probably "yes." It may be a building permit for new structures or additions, a miscellaneous permit for a shed, a special use permit for a satellite dish, a driveway permit, a fence permit, a sign permit or a grading permit. Find information about when permits are needed on the Permits page.
See our Stay Informed Guide (PDF).
Learn more about checking that you have a legal parcel (PDF).
Learn more about how to define the front lot line (PDF).
Learn more about demonstrating access to your property (PDF).
Learn more about measuring building height (PDF).
Learn more about meeting lot area requirements (PDF).
Learn more about establishing a legal nonconforming use (PDF).
Try our Jeffco Permit Search.
Learn more about measuring setbacks (PDF).
Learn more about obtaining an address (PDF) for your property in Unincorporated Jefferson County.
Learn more about obtaining a Residential Individual Sewage Disposal System (ISDS) Permit (PDF).
Learn more about placing a fence on a property (PDF).
Learn more about placing a sign on a property (PDF).
Learn more about showing driveway compliance.
Learn more about understanding signs that advertise (PDF).
You should have been given this information when you applied for a building permit. Find information about the certificate on our Improvement Location Certificate (ILC) page.
If you are within a city, you need to contact your city's planning office. For phone numbers for cities in Jefferson County, please see our Other Agency Contacts page (PDF).
South Jefferson County is served by the Littleton post office and most residents have a mailing address of Littleton 80123 or 80127. While there are areas annexed to cities in South Jefferson County, most of the area is unincorporated and in the jurisdiction of Jefferson County.
No, the Assessor’s Office information is the actual use on the property, which is different from zoning. Zoning is all of the uses that could be allowed on the property. The Assessor’s office goes to the site and determines how the property is currently being used, for example if they see a residence on the property, it is classified as residential. If there is nothing on the property it is classified as vacant. The zoning is a designation that is used primary by Planning & Zoning to determine what use could be on the property. For example, the vacant land, if it is zoned Commercial – One the owner may be able to obtain a permit to build an office building. If it is zoned Residential – One, then they may be able to obtain a permit to build a single family home.
To determine zoning, please see our What is My Zoning? page.
Setbacks are the distance required from a property line to any structure. You need to know setbacks prior to submitting a site plan to the county (for a permit). Read more about measuring setbacks (PDF), defining the front property line and placing a fence on a property. Please contact Planning and Zoning staff to verify setbacks and any special plat restrictions for your property.
The County sends notifications when a formal application is accepted and/or a public hearing is scheduled. These notifications are sent to property owners and registered associations within the boundaries described in the notification sections of the Zoning Resolution and Land Development Regulation.
Our Mountain Living Checklist highlights some unique conditions associated with mountain living. It is intended to help potential mountain residents make informed decisions before buying.
Information for utility company contacts