Two Plains states, one shared number: five days. That is how much warning the statute requires before the city's crew shows up to fix your sidewalk at your expense. Past that shared clock, the two statutes diverge in a way that matters if someone gets hurt.
Kansas: the 5-day letter and the 30-day bill
K.S.A. 12-1808 is as direct as owner-pays statutes get: "It shall be the duty of the owner of the abutting property to keep the sidewalk in repair." In cities of the first and second class, the city engineer or clerk "may, after giving five days' notice to the owner or his or her agent, if known, of the necessity therefor, and without notice if the lot or piece of land is unoccupied, make all necessary repairs at any time." In third-class cities it is harsher still: "no formality shall be required" and repairs "may be made without notice to the abutting property owner."
Then the payment clock: the city levies a special assessment for the cost, "and if the abutting property owner does not pay the assessment within thirty days" of the mailed notice, the amount is certified to the county clerk "to be put on the tax rolls for collection like other taxes." Five days to act, thirty days to pay, then it is a line on your property taxes. Only Oklahoma's 3-day emergency clock beats Kansas's five in our deadline league table. Our verified Wichita record shows the state's biggest city running exactly this machine.
Nebraska: duty plus liability, in the same sentence
Neb. Rev. Stat. 15-734 governs cities of the primary class, a classification containing exactly one city: Omaha. The duty is familiar: the abutting owner "is primarily charged with the duty of keeping and maintaining the sidewalks on such property in a safe and sound condition and free from snow, ice, and other obstructions." The next sentence is the one most owner-pays statutes do not have: upon failure and "upon notice to such abutting property owner as provided in this section, such abutting property owner shall be liable for injuries or damages sustained by reason of such failure."
That is repair duty and personal injury liability fused in one section. The mechanics run on the same 5-day rhythm as Kansas: "after five days' notice by publication in a legal newspaper... or in place thereof, by personal service," the city may repair and assess the cost, and a separate 5-day published notice must precede the council meeting that levies the assessment. For Nebraska's other cities, the statutes we verified (such as 16-250 for first-class cities) grant construct-and-assess power without the same explicit owner-liability language, so the non-Omaha answer runs through each city's own ordinance.
If the notice arrives
- Five days means this week. Both statutes let the city move fast. If the defect is real and you want your own contractor's price instead of the city's assessed one, the window to arrange that is days, not weeks.
- Kansas: watch the second clock. The 30-day payment window after the assessment notice is what keeps the bill off your tax rolls. Paying inside it avoids the certification.
- Omaha: the notice changes your insurance posture. Once noticed under 15-734, a trip-and-fall on your stretch of sidewalk is potentially your claim, not the city's. Fix fast and tell your homeowner's carrier if anyone was hurt.
Sources: K.S.A. 12-1808 (official Kansas Revisor of Statutes, quoted verbatim) and Neb. Rev. Stat. 15-734 with 16-250 (official Nebraska Legislature site, quoted verbatim). City rules live in the complete city guide.