Nevada Subdivision Improvement Bonds: Final Map Security, Reductions and Release

Nevada adds a separate, smaller security that developers sometimes miss. Under NRS 278.371, final survey monuments must be set before the final map records unless the subdivider furnishes a performance bond or other suitable assurance guaranteeing that a licensed professional land surveyor will set them on or before a day certain. The governing body or planning commission sets the amount, and under NRS 278.376 the county or city surveyor's certificate on the map states that a proper performance bond has been deposited if the monuments are not yet set.

Map deadlines shape when security is needed. NRS 278.360 gives a subdivider four years after tentative map approval to present a final map for the whole area or the first of a series, then requires each successive map in the series on or before the second anniversary of recording the first. Missing a deadline terminates the proceedings, and the governing body may grant an extension of up to two years after the successive-map period expires. A phased project therefore posts security map by map, and the surety sees a pipeline of bonds rather than one.

When parcels are merged and resubdivided without reverting to acreage, NRS 278.4925 requires the governing body to credit, on a pro rata basis, security already posted for improvements that will no longer be built, toward the same purposes on the new parcels. A developer redesigning a project mid-stream should ask for that credit in writing before posting new bonds.

In unincorporated Clark County, Title 30 section 30.04.08C.3 requires the developer to agree, through posted security, to provide the required improvements before the subdivision map records or before a building or grading permit issues. The developer signs an off-site improvement agreement and delivers either a 100 percent performance bond or a cash deposit equal to the Director of Public Works' estimate of the total cost. A bond must be on the county's form from a surety licensed in Nevada that holds a Treasury Department Circular 570 certificate and an A.M. Best rating of A or better with a stable or positive outlook. Cash in lieu of a bond is limited to the federally insured amount, and the Public Works bonding checklist caps the cash-in-lieu agreement at $250,000.

Release turns on acceptance. Bonds are not released until the Director of Public Works accepts the improvements, unless the property reverts to acreage. Title 30 allows a one-time reduction of 80 percent of the surety bond on a subdivision project when only sidewalks, utility pads and boxes and slurry seal remain and the water and sewer utilities agree, with the remaining 20 percent released when the work is finished. The bonding checklist states that partial releases may be requested only on cash-in-lieu or cash bonds, so confirm with the Bonding Team how the reduction will be handled before planning cash flow around it.

The county's agreement form adds terms the surety will read closely. The agreement is recorded and runs with the land; the developer warrants the work for one year after acceptance; a drawn security must be replenished to its full amount within 30 days; and the county may draw on the security if work stops for 60 consecutive days. Title 30 measures the completion period at two years, from posting the bond in one subsection and from permit issuance in another, and an extension requires the bond to be recalculated and renewed. For residential subdivisions, the improvements must be accepted before final inspection of all homes in the subdivision.

North Las Vegas publishes its surety reduction and release procedure. Citing Municipal Code section 16.16.100, it sets improvement surety at 100 percent of construction costs plus 10 percent for contingencies, based on the city's bond and fee estimate, guaranteeing completion within 18 months or another period the city sets. The city also states that it raised the unit costs in private bond estimates to reflect public costs, so its estimate can run higher than the developer's engineer's number.

Reductions are limited and formula-driven. A developer may request no more than two reductions per off-site improvement agreement, in writing, while the agreement is not in default. No reduction is allowed while more than half the value of the work remains; once at least half is done, the surety may drop to the value of the remaining work plus 10 percent, but never below 10 percent of the original amount. The Director of Public Works acts within 30 days, and a refusal can be appealed to the City Manager within 30 days.

Release has its own path. After offsites are accepted, the one-year warranty begins only at final release of the surety, with a city review about 10 months into it. If offsites are accepted but some lots are not yet built, the surety can be released once the developer posts a damage bond of $2,500 per lot or records a restrictive covenant not to build. If a punch list sees no reasonable progress within 180 days, the city states it will begin collecting on the bond.

Washoe County's standard subdivision improvement agreement, revised November 2023 and issued under Washoe County Code chapter 110, accepts a Faithful Performance Guarantee in the form of a bond, irrevocable letter of credit, certificate of deposit or savings or money market account, from a company or bank authorized to do business in Nevada. The subdivider sets a construction period not to exceed 12 months, and extensions of no more than one year require a replacement guarantee, which the county may increase if work has not proceeded diligently.

Reductions come at an extension or at each 12-month anniversary of the agreement. The maximum reduction equals 90 percent of the value of completed work but may not exceed 75 percent of the total guarantee, and a reduction is not acceptance of any part of the work. After acceptance, the subdivider warrants the improvements for one year. The form's recitals contemplate completing improvements before the final plat is filed, so confirm with the County Engineer whether a given map will record against security or after completion, since that decides when the bond is needed.

A subdivision bond is underwritten on the developer, not the site contractor. The surety will want the agency's approved bond estimate and agreement form, the phasing plan and final map schedule under NRS 278.360, the developer's and guarantors' financial statements, the construction loan terms and a schedule of every open improvement bond by agency, amount and expected acceptance date. For Clark County and North Las Vegas work, it also helps to show which reduction the developer expects to request and when.

Lot sales need the same attention. Clark County's agreement binds successors and third-party purchasers, and its performance bond form keeps the surety on the hook even if the developer no longer owns the property, while Washoe County's agreement keeps the subdivider liable regardless of later ownership. A purchase agreement with a homebuilder should therefore say who replaces the security, and by when, before the seller's surety is asked for a release.