A. A building or structure which is structurally unsafe, partially destroyed, in an unreasonable state of partial construction, a fire hazard or otherwise dangerous. An “unreasonable state of partial construction” exists if the building has been under construction for more than two years and the appearance and other conditions substantially detract from the appearance of the immediate neighborhood or reduce the property values in the immediate neighborhood, notwithstanding the status of building permits;

B. A building or structure which because of obsolescence, dilapidated condition, deterioration, damage, electrical wiring, gas connections or other cause is in such a condition as to constitute a fire hazard;

C. Graffiti;

D. Rubbish or junk, including but not limited to refuse, garbage, food waste (with the exception of compost as defined in Section 8.20.030) trash, scrap metal or lumber (including hazardous fences), concrete, asphalt, tin cans, bottles, tires, litter, piles of dirt, abandoned, broken, discarded or unused furniture, stoves, sinks, toilets, cabinets, refrigerators, freezers, discarded or inoperable equipment, discarded building materials, yard waste, or other fixtures, appliances or equipment;

E. Construction equipment and machinery and building supplies and materials (except while excavation, construction or demolition is in progress at the site under a current town-issued permit);

F. Overgrown, dead, decayed, diseased or hazardous trees or other vegetation (with the exception of compost as defined in Section 8.20.030); weeds and other vegetation likely to harbor rats, vermin or nuisances, that constitute a fire hazard, or vegetation that creates a vehicular, bicycle or pedestrian hazard or otherwise interferes with public circulation or which impedes drainage within the public right-of-way or watercourse;

G. Combustible material likely to become easily ignited or debris resulting from any fire;

H. Trash, garbage or refuse cans, bins, boxes or such containers, where there is no closed lid in place, or where the can or containers are overflowing and are stored in front or side yards visible from public street, unless in an enclosed or screened area according to this code;

I. The disposal of oil, gasoline, other petroleum products, noxious chemicals, pesticides, or any gaseous, liquid or solid wastes in such manner as to constitute a health hazard, a violation of Chapter 8.50, or degrade the appearance of or detract from the aesthetic and property values of the neighborhood;

J. Performance of work on motor vehicles or motor vehicle engines or parts on public right-of-way or in yard areas of residential properties so as to be visible from the public rights-of-way, other than emergency repairs or minor maintenance, as determined by the police chief;

K. Tents, trailers, campers or other similar vehicles or equipment that are being used for sleeping, cooking or living purposes; no tent, vehicle or trailer shall be used for living purposes or permitted as an accessory structure;

L. Abandoned, wrecked, dismantled, disrepaired or nonoperating boats and vehicles, or parts thereof, which are not stored within an entirely enclosed building on private property;

M. More than one commercial vehicle per property within residential zoning districts. No attachments of equipment or machinery used for business purposes shall be permitted on vehicles when the vehicles are not in use;

N. Permanent storage, unless within an entirely enclosed building on private property, of house campers, house cars, buses designed for transportation of more than ten persons, trucks rated at one-and-one-half ton capacity or over, or any truck-tractor and/or trailer irrespective of weight, trailer coaches, earth-moving, landscaping and building construction vehicles, boats, boat trailers and horse trailers. On public right-of-way, permanent storage shall mean for a period of time greater than seventy-two hours. On private property, permanent storage shall mean for a period of time greater than ten days in a calendar year unless a permit to extend storage is obtained from the police chief. Earth-moving, landscaping and building construction vehicles are exempt from this section when the vehicles are currently being used as part of permitted grading and building construction activities on the same site;

O. Activities and uses not permitted within the zoning district within which a site is located, activities not permitted by a conditional use permit or variance governing the site, and unpermitted home occupation activities;

P. Conditions that may prove detrimental or dangerous to children, whether in a building, on the premises of a building, or on an unoccupied lot, including but not limited to:

Q. Logs, curbs, rocks, fences, screen-ings, sand, dirt, yard waste, compost materials or other similar obstacles, that create a vehicular, bicycle or pedestrian hazard or otherwise interfere with public circulation or which impede drainage within the public right-of-way or watercourse;

R. Water from private property which enters or negatively affects the public right-of-way, as determined by the city engineer;

S. Cesspools, vaults or privy for the reception of human excrement or fecal matter where there is a public sewer capable of serving the premises or which emit offensive odors or are not connected with and do not drain into a septic tank;

T. Burning of any substance in such a manner as to cause odors or gas therefrom to taint the air and render it unwholesome or injurious to the health or offensive to the senses of the inhabitants of the town, or any number;

U. Maintenance or contamination of water wells used for domestic purposes where the San Mateo County environmental health department has determined the water of which has become polluted or in any way rendered unsafe for domestic drinking purposes, or has become otherwise prejudicial to health or dangerous to life;

V. Contaminated or infected dwellings which are unfit for human habitation because of disease or other hazards, as determined by the San Mateo County environmental health department;

W. Animal carcasses not abated by the San Mateo County environmental health department or humane society; and

X. Outdoor lighting which creates a safety hazard from the public right-of-way, as determined by the city engineer, or does not meet the requirements of this code and Uniform Building Code. (Ord. 490 § 18 (part), 1996)