It Just Snowed in South Denver. Here’s Where Your Street Actually Ranks on the Plow List.

A snow-covered residential street in a South Denver suburb, representing how snow plowing priority differs between arterial roads and neighborhood streets in Parker, Aurora, and Centennial
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By Prerna Kapoor, CLHMS | REAL Brokerage | September 9, 2026

Every year, right after the first real snowfall, I get some version of the same message: “My street still hasn’t been plowed, is that normal?” It usually comes from someone who moved here from a place where every road gets cleared within a few hours, no matter how small. In most of the South Denver suburbs, that’s not a mistake or an oversight. Your street is probably sitting exactly where the town’s plan says it should.

I’ve fielded enough of these calls over the years that it’s worth writing down clearly, especially heading into another Colorado winter.

The One Rule Almost Every South Denver Suburb Shares

Nearly every town in this part of the metro runs a tiered priority system, and residential streets sit at the bottom of it. The Town of Parker’s own snow priority page puts arterial roads like Mainstreet and Jordan Road first, collector streets second, and local residential roads and cul-de-sacs last, only plowed once six inches or more has accumulated or major drifting has occurred. Aurora runs a similar four-tier system, with neighborhood streets in the third tier and rural outlying streets in the fourth, and residential plowing only happens once the Public Works director approves it for that specific storm. The Town of Castle Rock and City of Lone Tree both describe the same basic shape on their own snow pages: primary roads first, then streets near schools, then residential blocks, then cul-de-sacs and alleys last.

None of this means your street gets ignored forever. It means the plows get to the roads that carry the most traffic and the most emergency vehicles first, and work down the list from there.

How It Actually Breaks Down, Suburb by Suburb

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Parker plows about 500 lane miles on a strict three-tier system, and local streets typically get a single pass wide enough for one lane of traffic, not a full curb-to-curb clearing.

Aurora maintains roughly 1,500 lane miles across four tiers, and residential streets are usually plowed within about 12 hours after a storm ends, when conditions call for it.

Centennial plows its arterials directly, and expands into Priority 3 residential streets only when the City Manager authorizes it for that specific storm.

Unincorporated Douglas County, which covers much of the land around Highlands Ranch, Franktown, and parts of Parker, is handled by the county’s own Public Works crews, not by the Highlands Ranch Community Association. The HRCA maintains trails and common areas, but county roads are the county’s job.

Castle Rock runs a four-tier system on more than 760 lane miles, with cul-de-sacs and alleyways ranked dead last.

Lone Tree maintains over 150 lane miles and partners with Douglas County and CDOT on major routes, prioritizing roads like Park Meadows Drive and Lone Tree Parkway that first responders rely on.

HOAs Can Opt to Plow It Themselves, and Some Already Do

In 2023, Aurora’s city council approved a resolution letting HOAs and special districts take over residential street plowing themselves, through a formal agreement with the city. Two neighborhoods, Blackstone and Southshore, have already taken the city up on it. It’s the same logic that shows up in how Highlands Ranch splits responsibilities across three different fee layers: when a metro district or HOA takes on a service the city or county would otherwise handle at a lower priority, it usually shows up as a line item in your dues, and it’s worth asking exactly what that line item covers before you assume it includes your street.

Sidewalks Are a Separate Job, and the Fines Are Real

Street plowing is the town’s responsibility. The sidewalk in front of your own house almost never is. Lone Tree requires single-family homeowners to clear snow and ice from the sidewalk within 24 hours of a storm. Centennial went further this year: Ordinance 2025-O-02 expanded sidewalk clearing duties to cover most properties, not just those along arterial and collector roads, and raised the fine structure to $200 for a first offense, $300 for a second, and $400 for a third. It’s the kind of rule that’s easy to miss until a neighbor complains or code enforcement leaves a notice, so it’s worth checking your specific city’s current ordinance rather than assuming the old rules still apply.

If you’re buying in an area where the city boundary itself is unclear, and Parker has a lot of that, it’s worth confirming which set of snow and sidewalk rules actually applies to your address. I went into that boundary confusion in more detail in a piece on how a Parker mailing address doesn’t always mean you’re inside Parker’s town limits, and the same confusion affects which rules apply to a given house. For the other service that catches people off guard when they move here, I wrote a companion piece on who actually handles trash and recycling across these same suburbs. And if you’ve got broader questions about how Colorado real estate works, I keep a running FAQ that covers what buyers and new residents ask me most.

Quick answers

Will my residential street get plowed after every snowfall?
Usually not right away. Most South Denver suburbs plow arterial and collector roads first and only send plows down residential streets once a specific accumulation threshold is hit, which in Parker is six inches, or when a public works director authorizes it for that storm.

Is my HOA or metro district responsible for plowing my street?
Only if it’s taken on that role specifically, the way a couple of Aurora neighborhoods have. Otherwise, street plowing is a city or county job, and your HOA dues are more likely covering trails, common areas, or landscaping instead.

Who’s responsible for the sidewalk in front of my house?
In most South Denver suburbs, you are. Cities like Lone Tree and Centennial require homeowners to clear their own sidewalks within a set window, usually 24 hours, and fines can follow if you don’t.


Prerna Kapoor | REALTOR® | Luxury Home Specialist
REAL Brokerage | 720-949-5450 | info@prernakapoor.com
CLHMS • RENE • PSA • ABR | International Sterling Society Award Winner

Prerna specializes in residential real estate across Parker, Aurora, Lone Tree, Castle Pines,
Highlands Ranch, Cherry Creek, Greenwood Village, and Centennial. She speaks English, Japanese,
and Hindi.