Honestly, the answer depends on what you mean by urban outdoor furniture. If you're talking about the powder-coated aluminum benches, HDPE chairs, steel planters, and recycled plastic tables you see in parks, plazas, transit stops, and campuses, they are usually built to be low maintenance—but not maintenance-free. Compared with most wooden furniture, they need less frequent deep care, fewer chemical treatments, and much less refinishing.
I've maintained both types. A commercial-grade aluminum or HDPE bench might need a quick wash once a month, a deeper clean each season, and a yearly inspection of bolts, welds, anchors, and moving parts. If the powder coating gets scratched, you touch it up before rust starts. If someone tags it with graffiti, you remove it quickly. That's basically it. You don't have to sand it, oil it, stain it, or worry much about rot and insects. In a busy urban setting, that difference matters.
Wooden furniture is not automatically bad. Teak, acacia, eucalyptus, and robinia can look beautiful and last for decades outdoors. But wood is a living material, even after it's cut and shaped. It expands and contracts with moisture, fades under UV, grows mold or mildew in damp shade, and can crack or splinter. Teak is one of the more forgiving woods because its natural oils help resist rot, but it still needs cleaning and occasional oiling if you want to keep that golden color. If you let it weather to silver-gray, you can skip oiling, but you still need to remove dirt, algae, and stains. Other woods often need sealing every 6 to 12 months and refinishing every year or two, depending on climate and exposure.
In cities, wood faces extra punishment: air pollution, road salt, bird droppings, rain runoff, and heavy public use. A wooden bench in a park may need sanding and resealing more often than a wooden dining set on a sheltered balcony. Painted wood adds another job: scraping and repainting when the finish fails. If the wood stays wet, rot can start at joints and feet, and that's expensive to fix.
So the real comparison is not "maintenance vs. no maintenance." It's "simple, occasional upkeep vs. periodic restorative work." Urban outdoor furniture typically asks for cleaning, inspection, and small touch-ups. Wooden furniture asks for those things plus sealing, oiling, sanding, and refinishing. In a low-maintenance commercial setting, metal, HDPE, and recycled plastic usually win. In a design-focused courtyard or garden, wood may be worth the extra care.
A practical schedule? For urban metal or plastic furniture, wash with mild soap and water monthly in dusty or coastal areas, deep clean quarterly, inspect fasteners and coatings twice a year, and touch up scratches immediately. For wooden furniture, clean every few months, check for mold and loose joints, oil or seal annually—or more often in harsh sun and rain—and plan to sand and refinish every 1 to 3 years. Teak can stretch longer if you accept the gray patina, but it still isn't zero care.
The short answer: urban outdoor furniture needs maybe 20 to 30 percent of the maintenance effort of typical wooden furniture, but it still needs attention. Ignore either one and both will fail. The difference is that wood usually tells you it needs help with fading, cracks, and graying, while metal and plastic can hide problems until rust, loose anchors, or fading become obvious. If you want the least ongoing work in a public or commercial space, choose powder-coated metal, HDPE, or recycled plastic. If you want warmth and natural character and don't mind seasonal care, wood is still a great option.