Knock Score™
B
Top 32% of U.S. ZIPs
54 / 100
48469 · Port Sanilac, MI
Ranked #6,723 of 21,191 ZIPs in America
#521 of 845 MI ZIPs · top 62% in the state
KNOCKNOW — Know before you knock · knocknow.co/score
Knock Score™ · Door-to-door sales rating
How knockable is 48469?
Scores refresh weekly · updated 2026-11-02
Port Sanilac’s 48469 earns a Knock Score of 54/100 (B), ranking #6,723 of 21,191 ZIP codes in America and #521 of 845 in MI (top 62% in the state). That's solidly above-average door-knocking territory. Standouts: 95% carry high equity and 95% have no HOA in the way. The Score rates the ZIP — the KnocKnow app shows the exact zones inside it where 70%+ of homes match your perfect customer.
Show your work
How the 54 was built
Owner-occupancy54% of homesbeats 18% of ZIPs × 30% weight5.5 pts
Ability to payequity · paid-off · price blendbeats 89% of ZIPs × 25% weight22.1 pts
Door density114 homes/sq mibeats 59% of ZIPs × 20% weight11.9 pts
No-HOA share95% of homesbeats 53% of ZIPs × 15% weight8.0 pts
Aging homes94% of homesbeats 69% of ZIPs × 10% weight6.9 pts
Knock Score
54 / 100 · B
Each ingredient is ranked against every scoreable ZIP in America; the grade is the curve (A− = top 10%, B+ = top 20%, …).
The breakdown
What's behind the B
Owner-occupied54%
Owners answer the door and can say yes. Renters can't buy what you're selling.
No HOA95%
Fewer gates, fewer no-soliciting boards, no HOA approval standing between a yes and an install.
High equity95%
Homes with serious equity — owners who can finance a project without blinking.
Free & clear77%
Paid-off homes. No mortgage, maximum flexibility to spend.
Built 20+ years ago94%
Homes 20+ years old need roofs, systems, and upgrades — the stuff you sell.
114homes per sq mi
$239,240median value*
898homes scored
*Inflation-adjusted from recent sales. Built on data covering every home in the U.S., updated regularly.
How grades work
Every ZIP in America, on one curve
Each metric is ranked against every other scoreable ZIP nationally, then weighted: owner-occupancy 30%, ability to pay 25%, door density 20%, no-HOA share 15%, aging homes 10%.
A+top 1%Atop 5%A−top 10%B+top 20%Btop 35%B−top 50%C+top 65%Ctop 78%C−top 88%Dtop 97%Fbottom 3%
ZIP-level aggregates only — no individual home data is ever shown. ZIPs with fewer than 500 scoreable single-family homes aren't scored.
See the zones inside this ZIP
The Score rates the ZIP. The app paints the exact neighborhoods inside it where 70%+ of homes match your perfect customer — before you burn a tank of gas finding out.
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