Adams County staff outline wide-ranging draft development standards including parking caps, landscaping rules and a sustainability index

Adams County planners and consultants presented proposed changes to the county's draft Development Standards and Regulations (DSR) Module 3 during a study session, outlining new approaches to parking, landscaping, signage, lighting, building design and a draft sustainability index. Staff did not ask the board to adopt the changes at the meeting; instead commissioners requested follow-up workshops and additional examples.

The proposal would shift some parking rules from minimums toward maximums, add more prescriptive landscaping standards favoring low-water and drought-tolerant plants, tighten sign and lighting controls, and create a points-based sustainability index for non-single-family development. The changes are intended to reduce excess parking, improve pedestrian and bicycle circulation, promote drought-resistant plantings and encourage sustainable building practices.

Presenters described a parking approach that includes a cap tied to minimum parking requirements, with a commonly cited cap of 150% of the minimum. "Many places have come to realize that they require too much parking many times," a staff presenter said when describing the rationale for a maximum. The draft would apply the 150% cap to many use types (the presenter noted single-family would be treated differently), and include graduated ratios so larger buildings need fewer spaces per square foot than smaller ones. The draft also proposes built-in flexibility that would let applicants reduce required vehicle parking if they provide features such as bicycle parking, car-share spaces, electric-vehicle (EV) stalls or a transportation demand management study that staff could approve administratively rather than requiring a variance.

On landscaping, staff said the draft reorganizes buffer-yard types (between land uses, around parking lots and between streets and primary uses) and emphasizes drought-tolerant, deer-resistant and native plantings. "We're looking at requiring at least 80% of the plant material or vegetation has to be low water use," a landscape presenter said, and the draft would require an establishment plan describing irrigation and two-year maintenance so plantings survive. The presenters said enforcement of replacement requirements is expected to be largely complaint-driven unless the board chooses otherwise.

Sign standards would add illustrated examples by district and a clearer table of allowed sign types; electronic message displays would have change‑interval limits (staff proposed 10 seconds). Lighting rules would focus on glare reduction, maximum illumination (foot-candles/nits), and color temperature so light does not trespass onto adjacent properties. Staff noted existing county billboard rules already use a 0.3 foot-candle nighttime standard and that light meters have been used for enforcement in past cases.

The draft sustainability index would apply to multifamily, commercial and other larger developments (single-family and duplexes would be exempt). It is a point-based system with thresholds scaled to project size (for example, the draft ties residential point requirements to unit ranges and nonresidential to floor area). Points would be available for measures such as reclaimed water irrigation, energy-efficient HVAC, high-efficiency appliances and location in mixed-use districts. Staff said the current draft requires projects to meet a minimum points threshold rather than offering incentives such as additional density or height for extra points, but they flagged incentives as a changeable part of the proposal.

Commissioners asked for more concrete examples and calibrations before voting. One commissioner requested sample calculations showing how the 150% cap would apply to specific multifamily and townhouse examples and asked how leftover site area would be used if less parking is provided. Staff said many of the tradeoffs (stormwater, amenity space, building form) can affect design and that some communities allow pervious surfaces or additional site design measures if applicants provide more parking than the maximum.

Staff also flagged statutory limits affecting multifamily parking near transit corridors: a presenter noted a state statute exempts certain multifamily projects near transit corridors from local parking requirements and said the draft accounts for that constraint. Commissioners emphasized the need for clear, measurable standards so that code enforcement can act on complaints (for example, measurable brightness numbers for lighting and explicit replacement requirements for failed plantings).

Next steps: staff proposed a stakeholder workshop in mid-November, additional consultant outreach in January 2026 and continued public review toward adoption during 2026. No final action or adoption occurred at the study session; board members asked for more detail, calibration examples and clearer enforcement language before any formal vote.