Property Vital Signs · Pulse
Prepared by Movement Charleston · Charleston Tri-County
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Property Vital Signs
1883 Magnolia PlTC: 27PL: 34
Johns Island · charleston · 29414
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Year-10 annual cost
vs Tri-County typical
Today
$4,175
per yr · 2026
Year 10
$7,646
per yr · 2036
10-yr cumulative
$63,203
all-in carrying cost
True-Cost composite · 27/100
top driver: Tax-step trajectory · 10-yr cost lift +83%
Flood
15
Insurance
3
Tax growth
60
Reassess
50
Utility
65
Foundation
25
HOA
25
Pre-Listing composite · 34/100predicted 180-365d
hazard ratio 1.75× · top driver: Peak-tenure window
Probate
0
Distress
0
Utility
0
Cosmetic permit
0
Insurance
0
Payoff
0
Tenure
60
Tax jump
0
Title events
0
Comp sales
100
Hood velocity
9
10-year cost trajectory
insurance · property tax · cooling — annual, projected
Year-by-year breakdown
all values in 2026 dollars · projected at SC DOI / NOAA trends
| Year | Insurance | Property tax | Cooling | Annual total | vs Tri-County |
|---|---|---|---|---|---|
| Today | $2,296 | $30 | $1,850 | $4,175 | $3,812 |
| +1yr | $2,468 | $31 | $1,933 | $4,432 | $4,040 |
| +2yr | $2,653 | $32 | $2,020 | $4,705 | $4,282 |
| +3yr | $2,852 | $33 | $2,111 | $4,996 | $4,539 |
| +4yr | $3,066 | $34 | $2,206 | $5,306 | $4,813 |
| +5yr | $3,296 | $35 | $2,305 | $5,636 | $5,104 |
| +6yr | $3,543 | $36 | $2,409 | $5,988 | $5,415 |
| +7yr | $3,809 | $38 | $2,518 | $6,364 | $5,745 |
| +8yr | $4,094 | $39 | $2,631 | $6,764 | $6,096 |
| +9yr | $4,401 | $40 | $2,749 | $7,191 | $6,471 |
| +10yr | $4,731 | $42 | $2,873 | $7,646 | $6,870 |
Methodology. Insurance: SC DOI rate-filing baseline (~0.45% of property value), uplifted by per-ZIP NFIP claim density, growing 7.5% / yr. Property tax: assessor millage on assessed value, growing 3.5% / yr. Cooling: Charleston-area household baseline, growing 4.5% / yr at NOAA's SC cooling-degree-day trend. Estimates only — actual costs vary with carrier choice, mortgage escrow practices, and weather. Recomputed nightly. Data sources: FEMA OpenFEMA · SC Department of Insurance · NOAA Climate.gov · Tri-County assessors.