Fence Installation in Fort Collins: Check the Address Before the Post Hole
A fence is an exterior change, and in Fort Collins an exterior change on a City Landmark, inside a City Landmark District, or on a property listed in the State or National Register goes through Landmark Design Review under Chapter 14 of the Municipal Code before it goes up.
That is not a small pocket of town. The Laurel School Historic District, also called the Midtown Historic District, covers 217 acres and 549 contributing buildings just south of downtown, and the Old Town district adds 26 acres and 38 more. Plenty of them look like any other house from the sidewalk.
Under all of it sits the part nobody quotes on: expansive clay that swells and shrinks with the seasons, a 30 inch minimum frost depth across Larimer County, and downslope wind that hits a privacy panel like a sail.
A Lot of Fort Collins Backyards Sit Inside a Design Review Area
Fort Collins has a Historic Preservation office that runs Landmark Design Review, and it covers any exterior change on a designated property. Siding, windows, and yes, a fence.
What makes this a Fort Collins problem is the sheer size of the residential district. The Laurel School district went on the National Register in 1980, and its 549 contributing buildings went up from the mid-1870s into the 1930s.
Meanwhile the citywide median year built is about 1993. Most of this city is a 1970s ranch or a 1990s subdivision with no historic status at all, which is exactly why the review catches people. Across town the odds are low. On one particular block they are close to certain.
So do this before you take a single quote. Email [email protected] or call Historic Preservation at 970-224-6078, give them your address, and ask one question: is this property a City Landmark, inside a City Landmark District, or listed on the State or National Register. Three possible answers, one call, no cost. An installer who waves that off with a line about how nobody checks a fence has told you who will be holding the problem later.
Three city offices touch a fence and they are not interchangeable. Zoning at 970-416-2745 handles fence permits, height and placement. Building Services at 970-416-2740 handles building permits. Historic Preservation handles design review. A yes from one is not a yes from the other two.
On the permit itself the line is six feet. A fence six feet tall or shorter needs no building permit inside the city, and anything taller does. Exempt from a permit is not exempt from the rules: zoning still controls height and placement, and a front yard fence in a residential zone is held to a lower limit than side and rear yards. We are not printing that lower number here, because the figures on third party sites do not come from the Land Use Code. Ask Zoning for your zone district and hold your installer to it.
If your address is outside city limits, in Bellvue, Laporte, the Horsetooth area or county land toward Wellington, none of that is your process. The Larimer County Building Division handles permits, plan review and inspections out there, and it runs its own contractor licensing program.
Clay That Moves and Wind Off the Foothills
Fort Collins sits on the Colorado Piedmont right where the plains meet the Front Range, and there are two completely different grounds under this city.
One is expansive clay. The Colorado Geological Survey mapped swelling and collapsing soils across the Fort Collins quadrangle where the ground is underlain by Pierre Shale and by wind blown sediment. That clay swells when it takes on water and shrinks when it dries, season after season. It is the most expensive geologic hazard on the Front Range.
The other is river gravel. The Cache la Poudre has cut down through this area repeatedly and left at least five gravel capped terrace and pediment surfaces. Sticky shale clay and old river gravel behave nothing alike, and your address decides which one you have.
Here is something you can check in ninety seconds. Walk to a corner of your existing fence and sight down the top rail the way a carpenter checks a board. If the posts ride up and down in a slow wave, with the high points near where water collects, that is heave. It is soil, not sloppy carpentry.
Depth is the honest defense. Minimum frost depth in Larimer County is 30 inches below grade for footings and permanent supports, so posts here go deep whether or not the fence needs a permit. Get that depth written into the quote as a number, then on dig day walk out while the holes are still open and drop a tape into one before concrete goes in. It is the only moment the depth is ever visible.
Wind is the load case that decides how a Fort Collins fence gets built. The foothills rise at the western edge of town, not fifteen miles out, and downslope windstorms come off them onto the city. Christman Field on the northwest edge has recorded a 72.2 mph gust, foothill stations nearby have hit 86 to 100 mph, and Larimer County allows prescriptive IRC design only where ultimate wind speed is under 140 mph.
A solid six foot privacy panel is a sail. On the west side of town a good installer talks about post size, post spacing, concrete volume and whether the panel has a spaced top that lets air through. If the quote for a west side lot matches one for a lot out east word for word, nobody thought about it.
One more local wrinkle: much of the older core is alley loaded. Old Town, Old Town West and the Laurel School district were platted with alleys and rear garages, and the small early 1900s worker lots in Buckingham, Andersonville and Alta Vista north of the Poudre are tight. Your back fence line may front an alley instead of another yard, which changes gate width and truck access.
The Job, In the Order It Should Happen
Settle what your address is
Call Historic Preservation at 970-224-6078 with your address, then Zoning at 970-416-2745 for your height limit. Two calls, before any installer measures anything, because either answer can change the design.
Walk the property line together
A good installer walks the run with you, finds the survey pins or the plat, checks where the line meets an alley, and marks gate positions while you watch. Locates get called before anyone digs.
Design for the wind and the ground, then quote
Post size, spacing, hole diameter, concrete per hole, panel style and depth, all in numbers on the page. Ask what they changed for the exposure on your lot, and whether they hit clay or gravel on your street.
Dig, and look in the holes
The only visible moment in the whole job. Holes open, tape in the hole, 30 inches minimum below grade, and take a photo. Nobody can show you post depth after the concrete cures.
Set posts, cure, then panels and gates
Posts and concrete first, a real cure, panels after. Gates last, because gate posts take the most abuse. On an alley lot make sure the gate is wide enough for whatever you actually push through it.
Walk it before the last payment
Every gate swings and latches without being lifted. The top rail runs straight when you sight down it. Old fence, spoil and concrete waste hauled away, alley left clear. Anything still open is a reason to hold the balance.
Parking is a real constraint near downtown and campus. City code bars parking or storing any motor vehicle over 20 feet long, or any trailer, on a residential street, and RP3 permit zones with two hour limits ring downtown and campus. Whether there is an exception for active loading is a question for Parking Services, so ask them, and ask your installer where the material trailer will sit.
Fence Installation Costs in Fort Collins CO
Typical Fort Collins ranges, here so you can sanity check a quote instead of replace one. Two things push a local job to the top of a range: bigger posts and more concrete on an exposed west side lot, and a design review that adds drawings before a hole is dug.
Common Questions About Fence Installation in Fort Collins CO
Is there such a thing as a licensed fence installer in Colorado?
No. Colorado licenses electricians and plumbers at the state level and runs no state trade license for fence installation, so anyone advertising as a licensed fence contractor is using the word loosely.
What you can verify: a certificate of insurance sent to you straight from the agent or carrier with your name on it, not a PDF forwarded by the salesman. Outside city limits, ask which license the company holds under Larimer County's contractor licensing program and check it with the Building Division.
Do I need a permit for a six foot fence in Fort Collins?
Not a building permit. Inside the city a fence six feet tall or shorter is exempt, and anything taller needs one.
Exempt from a permit is not exempt from the rules. Zoning still controls height and placement, front yard fences are held to a lower limit than side and rear, and a landmark or district property needs design review no matter how tall the fence is. Zoning at 970-416-2745 has the number for your zone.
Why did my last fence go crooked after a few years?
Most likely the soil. Large parts of Fort Collins sit on expansive clay derived from Pierre Shale and wind blown sediment, which swells when wet and shrinks when dry, lifting and dropping posts season after season.
That is a ground condition, not bad carpentry. The defenses are depth, at least the 30 inch Larimer County frost depth, enough concrete, and drainage that keeps runoff and irrigation off the post line.
My house is in the Laurel School district. Does that really apply to a backyard fence?
Landmark Design Review under Chapter 14 covers exterior changes on designated properties, and a fence is an exterior change. Whether yours has to go through it depends on the property's status and what you are building, and Historic Preservation is the only place that answer is authoritative.
Email [email protected] with your address before you sign anything. Finding out afterward is the expensive version.
Do you build the fence yourselves?
No. Contractor Palace matches you with local Fort Collins fence installers and the pro you book does the work. There is no charge to you.
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Tell us the run length, the style, and whether your property sits in a historic district. We match you with a Fort Collins fence installer who quotes post depth in numbers and builds for the wind on your lot. No charge to you.
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