San Francisco's binary pass/fail compliance system for park cleanliness, safety, and condition across 14 feature categories.

The San Francisco Park Maintenance Standards are fundamentally different from most infrastructure inspection frameworks. Where standards like NEN 2767 or DIN 1076 assign graded scores on multi-point scales, the SF system uses a rigid binary evaluation: every element within a park feature either meets its defined threshold or it does not. There are no partial scores, no intermediate ratings, and no subjective judgment calls about severity levels. A lawn is either compliant or non-compliant on each of its seven sub-elements, and the outcome is strictly determined by measurable, quantitative criteria.

This binary approach was a deliberate design choice mandated by Proposition C, the 2003 ballot measure that created the SF Park Maintenance Standards. The intent was to eliminate subjectivity from park condition reporting and create a system where any trained inspector would reach the same conclusion. A litter count is either above or below the threshold. Turf height is either above or below 4.5 inches. Graffiti is either present or absent. This objectivity allows the City Services Auditor to produce statistically valid compliance reports that hold the Recreation and Parks Department accountable to a measurable standard.

The final score for each park is calculated as the percentage of total applicable standards that were met. If a park has 40 applicable elements and 36 pass, the park scores 90%. The citywide target is 91%, established by the Board of Supervisors as the minimum acceptable maintenance level. This target applies across all park types and all three feature categories: Landscaped and Hardscaped Areas, Recreational Areas, and Amenities and Structures. Parks scoring below 91% trigger review by RPD management, and persistent underperformance drives resource allocation decisions for maintenance crews, equipment, and capital improvement projects.

A similar binary compliance methodology is found in ASTM F1487 playground equipment safety inspections, where equipment elements are individually evaluated against fixed safety thresholds.

Park classification is the first field an inspector completes because it directly controls the strictness of litter-count standards applied throughout the rest of the inspection. The four classifications are Mini Park, Neighborhood Park, Regional Park, and Civic Plaza/Square. Each classification defines different inspection sample areas and allowable litter counts that reflect the realistic maintenance burden for parks of that scale and use intensity.

Mini Parks and Civic Plazas use a 25-by-25-foot sample area with a maximum of 5 pieces of litter before failing the cleanliness standard. These smaller, high-visibility spaces are expected to maintain a higher standard because they serve concentrated foot traffic in dense urban neighborhoods and are typically maintained by dedicated crews. Neighborhood Parks and Regional Parks use a larger 100-by-100-foot sample area with a maximum of 10 pieces of litter. The larger sample area accounts for the greater acreage and the practical reality that larger parks accumulate debris more quickly across their expanded footprint.

Critically, the classification-based thresholds apply only to general litter counts. Certain failure conditions are universal regardless of park type: the presence of any needles, broken glass, condoms, or animal feces in any sample area constitutes an automatic failure. These hazardous items carry a zero-tolerance policy across all four park classifications because they represent immediate health and safety risks to park visitors, particularly children. In the digital form, the inspector selects the Park Classification field before proceeding to feature-specific assessments, ensuring that the correct litter thresholds are applied contextually throughout the inspection.

Details on the City of San Francisco's park standards are available from the SF Controller's Office (City Services Auditor), which conducts independent park evaluations.

The 14 park features are the organizational backbone of every SF park inspection. They are grouped into three categories that reflect the distinct maintenance disciplines responsible for different park assets. Understanding this structure is essential because the compliance percentage is calculated across all applicable features, meaning a failure in a restroom element weighs equally against a failure in a lawn element.

The first category, Landscaped and Hardscaped Areas, covers the four features that define the park's physical landscape: Lawns (PF 1) with seven elements covering cleanliness, color, density, drainage, edging, mowing height, and holes; Ornamental Beds (PF 2) with four elements for cleanliness, plant health, pruning, and weediness; Trees (PF 3) with three elements for limbs, plant health, and vine management; and Hardscapes and Trails (PF 4) with five elements covering cleanliness, drainage, graffiti, surface quality, and weediness. This category typically accounts for the largest share of total elements in a park inspection because most parks have extensive lawn and hardscape areas.

The second category, Recreational Areas, includes playgrounds (PF 8) with eight elements, turf athletic fields (PF 6) with up to eight elements depending on whether the turf is natural or synthetic, and courts (PF 5) with elements for surface condition and fencing. The third category, Amenities and Structures, covers Restrooms (PF 10) with nine elements, Waste Receptacles (PF 12) with four elements, Benches (PF 11), Picnic Areas (PF 9), and additional features for water features, lighting, and fencing. Not every park contains every feature. A mini park may have only lawns, hardscapes, and waste receptacles, while a regional park may have all 14 features present. The digital form handles this through conditional sections where the inspector selects which features are present at the site before beginning element-level assessments.

The SF Recreation and Parks Department manages over 220 parks across the city. For more information, visit the official RPD website.

The precision of the SF Park Maintenance Standards lies in their failure thresholds. Rather than asking inspectors to judge whether a lawn looks "good" or "acceptable," the standard defines exact numeric boundaries. Turf color fails if less than 80% of the area is green. Turf density fails if less than 80% of the area is free of bare spots. Lawn height fails if grass exceeds 4.5 inches, roughly ankle height. Holes fail if they exceed 6 inches in diameter or depth, or if multiple gopher mounds impede normal use of the area. These thresholds transform what could be a subjective visual assessment into a repeatable measurement that any trained inspector can apply consistently.

Hardscape and trail criteria follow the same quantitative approach. Surface quality fails if trip hazards exceed 0.5 inches in height differential, or if cracks and holes exceed 2 inches in width or depth. Drainage fails if standing water covers more than 5% of the paved area. Weediness fails if weeds are present in more than 5% of the paved surface. Graffiti operates under a zero-tolerance policy: any visible graffiti on hardscapes constitutes an automatic failure. This zero-tolerance approach extends to all features where graffiti is assessed, including playgrounds, restrooms, athletic fields, and benches.

Playground and recreational area criteria add safety-specific dimensions. Playground equipment integrity fails if rust, rot, splinters, loose bolts, or sharp edges are present on more than 20% of equipment. Equipment functionality fails if less than 80% of equipment is operational. Playground surface quality has particularly strict requirements: sand must not be compacted and must maintain a minimum depth of 12 inches, while rubber surfacing fails if it is missing or shows a vertical drop greater than 0.25 inches. Fencing fails if holes, protrusions, or gaps at the base are present. For turf athletic fields, functionality has a higher threshold of 90% for goals, backstops, and bleachers to be operational.

Restroom standards represent the most element-dense feature, with nine distinct pass/fail criteria. Cleanliness fails if more than 3 pieces of litter are present, if toilets or sinks are dirty, or if any biohazards are detected. Supplies fail if soap, toilet paper, or towels are missing. Odor fails if a strong offensive smell is present. Lighting fails if less than 90% of lights are operational. These restroom standards reflect the outsized impact that restroom condition has on public perception of park maintenance quality. The SF standards recognize that restrooms are often the single feature most likely to generate resident complaints and maintenance work orders.

For complementary playground safety standards, see the EN 1176 playground safety standard and the standards directory for additional inspection standards.