Knock Score™ · Free for every U.S. ZIP
How good is your ZIP for door-to-door sales?
Every residential ZIP code in America, graded 0–100 on the five things that decide whether doors turn into deals — owner-occupancy, ability to pay, door density, HOA friction, and home age. Built on data covering every home in the U.S., updated regularly.
Free · No sign-up · Scores refresh weekly
The methodology
What makes a ZIP knockable?
Five metrics, each ranked against every other scoreable ZIP in the country, weighted by how much it moves the needle at the door:
Owner-occupancy30%
Owners answer the door and can say yes. Renters can't buy what you're selling.Ability to pay25%
High equity, free-and-clear homes, and sale prices in the financeable sweet spot.Door density20%
Homes per square mile — more doors per hour of walking.No-HOA share15%
Fewer gates, fewer no-soliciting boards, no exterior-approval headaches.Aging homes10%
Homes 20+ years old need roofs, systems, and upgrades.
A+92+
A85–91
A−80–84
B+75–79
B68–74
B−62–67
C+56–61
C50–55
C−44–49
D30–43
F<30
ZIP-level aggregates only — no individual home data is ever shown. ZIPs with fewer than 500 scoreable single-family homes aren't scored.
The Score rates the ZIP. The app shows the zones inside it.
KnocKnow paints the exact neighborhoods in your ZIP where 70%+ of homes match your perfect customer — so you knock the right streets on day one.
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