Know Your Block Before You Need It

Neighborhood emergency readiness is usually sold as a binder, a phone tree, and a list of everything about everyone. The useful version is three facts per household, gathered on foot, that fit on an index card. What makes it preparedness rather than surveillance is one sentence most guides forget to print: this is voluntary, and no is a complete answer.

Three facts per household is the entire dataset

• How many people live there. A house number with a count beside it is the most useful line you will write, because welfare checks, headcounts at a gathering point, and any decision about where to spend the first hour all start from a number. Two adults is a different situation than two adults, an infant, and a grandmother on the second floor.
• Whether anyone would need help evacuating. Mobility limits, an oxygen concentrator or other powered medical equipment, an infant, or simply no vehicle in the driveway all change what a neighbor can usefully do. Households volunteer this fact or they do not, and pressing for it is the moment the whole exercise goes wrong.
• What skill or tool the household has. Map Your Neighborhood formalizes this as a Neighborhood Skills and Equipment Inventory, and the Pasadena Fire Department describes the step as identifying the skills and equipment of each neighbor. A chainsaw, a generator, four-wheel drive, a nurse, a retired electrician, a ham radio license.

Fifteen to twenty households is the size one person can canvass

Fifteen to twenty households is the working unit in the published Map Your Neighborhood materials, and the number is a constraint on human attention rather than a planning preference. The Pasadena Fire Department describes its Map Your Neighborhood sessions as covering generally 18 to 20 households in a single 90 minute meeting. Santa Cruz County CERT describes the same program as an interactive meeting with 10 to 20 neighbors held in one of their homes. That range is roughly the number of front doors one person can knock on in an afternoon and still recognize a year later, which is also why arguments about what counts as your neighborhood stop being interesting at this scale.

Map Your Neighborhood is the model worth copying

Map Your Neighborhood is a program developed and copyrighted by LuAn K. Johnson, PhD, and adopted by county and city agencies well outside Washington State. The program teaches neighbors to rely on each other during the hours or days before fire, medical, police or utility responders arrive, and Island County, Washington describes it as an award winning and FEMA endorsed program. The structure is three things: nine steps to take immediately following a disaster, a skills and equipment inventory, and a contact list noting how many people are in each household and who may need extra help. Everything else in the binder is optional.

CERT is a training program, not a neighbor list

CERT stands for Community Emergency Response Team, a FEMA program that trains volunteers in basic disaster response so professional responders can concentrate on harder problems. The basic training runs about 20 hours, scheduled in two to four hour modules over weeks or months, and covers nine units including disaster preparedness, fire safety and utility control, disaster medical operations, light search and rescue, disaster psychology, and a final exercise. New Jersey's Office of Emergency Management notes that classes are held in the community or county where you live and directs residents to their municipal emergency management coordinator. CERT trains a person. Map Your Neighborhood maps a block. Confusing the two is why people assume readiness requires a uniform.

What to do when your county runs neither program

No national rule requires your county to run Map Your Neighborhood, CERT, or anything like them, and plenty of counties run neither. Nothing about the useful part requires a sponsoring agency. Canvass fifteen to twenty doors on foot in daylight, introduce yourself in one sentence, ask the three questions, and write down only what people offer. The work looks identical to what a block captain does minus the title, and the hard part is the first five doors rather than the last fifteen. Our guide to meeting your neighbors covers that part on its own terms.

Everything here is voluntary, and no is a complete answer

Voluntary means voluntary, and this is the line where neighborhood preparedness either stays useful or turns into something nobody consented to. A neighbor who declines to answer owes no reason, no partial answer, and no follow-up conversation, and a household that says nothing simply does not appear on the list. This is not a registry, it confers no obligation, and no one is entitled to know who lives behind a door. Say all of that out loud at the door, before the questions, in plain words: I am putting together a short list for our block in case of an outage, it is completely optional, and you can tell me nothing at all. Preparedness that has to be extracted from people is surveillance with a better brochure.

Where this information should never live

A block list of who needs help evacuating is a map of vulnerability, and where it is stored matters more than what it contains. Never post it to a public page, a neighborhood social feed, a shared cloud document, or a group chat that anyone can be added to later. Keep it on paper, or in your own phone, held by two people rather than one. Formal registries exist precisely because this data needs custody: New Hanover County, North Carolina maintains an Access and Functional Needs Registry through its emergency management office, states that participation is completely voluntary and information submitted is strictly confidential, and contacts registrants 36 to 72 hours ahead of an anticipated emergency. Location data deserves the same care, which is the whole argument behind how local apps decide who is nearby.

A multi-day outage is the emergency you will actually get

A multi-day outage is the emergency most households are actually likely to face, and the block list earns its keep in the first afternoon. FoodSafety.gov's guidance is specific: a refrigerator holds food safely for about four hours, a full freezer for roughly 48 hours and a half-full freezer for 24, provided the doors stay shut. The Consumer Product Safety Commission is equally specific about generators, which must run outdoors only, at least 20 feet from the home with exhaust pointed away from windows, doors and vents, and never in a garage or basement even with the doors open. Households running powered medical equipment are the ones to check first, and knowing which houses those are is the reason to have asked.

Heat waves and winter storms are handled door to door

Heat is the event where a knock is the entire intervention. The Centers for Disease Control and Prevention identifies adults aged 65 and older as among those at greatest risk of heat-related illness, because their bodies adjust to temperature changes more slowly and chronic conditions and medications interfere with regulating heat, and recommends checking on those in your care at least twice a day. Ready.gov adds the specific target: neighbors without air conditioning who spend much of their time alone. Winter storms invert the temperature and keep the list identical, with one addition — carbon monoxide from generators and improvised heating kills people who were otherwise fine, so the twice-a-day knock covers both seasons.

Floods are where the block plan must not improvise

Flood water is the one hazard where neighborly initiative gets people killed, and the National Weather Service publishes the numbers to memorize instead. Under its Turn Around Don't Drown campaign, the agency states that six inches of fast-moving flood water can knock over an adult, twelve inches can carry away most cars, and two feet can carry away SUVs and trucks, and that it is never safe to drive or walk into flood waters. What the block list contributes is earlier, not braver: knowing which households have no vehicle means offering a ride the evening before, when the road is dry, rather than staging a rescue after the water arrives. Move people, not equipment.

Where a block's picture of itself should actually live

The list stops working the day the person holding it moves away, which is the quiet failure mode of every paper roster ever assembled — that's what we're building MetroMeet for: a throwback social app scoped to your actual area, with a wall for your street, real verified profiles, and games you can play with people nearby. Adults-only (18+), zero rage-bait by design, and it works at any postal code where it ships — your feed is scoped by the distance you set, not by city lines. Set the radius to five miles and the people you canvassed are already in range on an ordinary Tuesday, which is the only reason anyone answers the door on a bad one.

Published August 25, 2026 · MetroMeet