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 Types of Permits page.
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Subdivision is handled through a Preliminary and Final Plat process. The resulting lots must meet the minimum lot size for the Zone District (see “What is My Zoning / What Can I Do on My Property?”), as well as other requirements such as Lot and Tract Standards and Public Health requirements for septic systems.
General questions about specific properties should be directed to Planning Engineering Staff. Planning Engineering Staff is available by phone, in-person at the P&Z Front Counter, and virtually. We recommend scheduling an appointment with an engineer. At a minimum we will need to know the property address or PIN. It is helpful for Staff to know the scope of the development (commercial, residential etc.) how many lots are proposed, and what the desired layout is. For questions about the current zoning and minimum lot size requirements, we recommend scheduling an appointment with a Planner.
I want to Subdivide. What are the next steps?
Staff recommends applicants ready to move forward with a Preliminary and Final Plat schedule a Pre-Application Meeting prior to submitting a subdivision application. This meeting allows applicants to discuss their plans with Staff and receive preliminary feedback and guidance from Staff and External Agencies before committing. If/when you would like to schedule this meeting, please apply online and submit (at a minimum) a site plan showing the proposed lot layout, and a cover letter that describes your plans and provides contact information. The cover letter must include information about access, water supply, wastewater, how stormwater runoff will be managed, and an estimation of traffic. Generally we can get you on the calendar within a few weeks of when you sign up, and can provide a detailed written response within a few weeks after the meeting. There is a $500 application fee for the Pre-Application Meeting. Most of this fee can be transferred to a subsequent Plat if it is applied for within 1 year.
See our Stay Informed Guide (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 Permit Search on the Jeffco Citizen Portal or explore our interactive Active Permits map.
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).
You should have been given this information when you applied for a building permit. Find information about the certificate on our Permitting Information web page.
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). Please contact Planning & 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. If you are not registered, please review the Stay Informed guide and send us your Association Registration form.
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.
Utility Company Contacts (PDF)