Property Vital Signs · Pulse
Prepared by Movement Charleston · Charleston Tri-County
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Property Vital Signs
3405 Harbor BlvdTC: 25PL: 33
West Ashley · charleston · 29484
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Year-10 annual cost
vs Tri-County typical
Today
$3,534
per yr · 2026
Year 10
$6,329
per yr · 2036
10-yr cumulative
$52,829
all-in carrying cost
True-Cost composite · 25/100
top driver: Tax-step trajectory · 10-yr cost lift +79%
Flood
15
Insurance
0
Tax growth
60
Reassess
30
Utility
65
Foundation
10
HOA
45
Pre-Listing composite · 33/100predicted 180-365d
hazard ratio 1.72× · top driver: Peak-tenure window
Probate
0
Distress
0
Utility
0
Cosmetic permit
0
Insurance
0
Payoff
0
Tenure
53
Tax jump
0
Title events
0
Comp sales
100
Hood velocity
11
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 | $1,662 | $21 | $1,850 | $3,534 | $3,812 |
| +1yr | $1,787 | $22 | $1,933 | $3,742 | $4,040 |
| +2yr | $1,921 | $23 | $2,020 | $3,964 | $4,282 |
| +3yr | $2,065 | $24 | $2,111 | $4,200 | $4,539 |
| +4yr | $2,220 | $25 | $2,206 | $4,451 | $4,813 |
| +5yr | $2,386 | $25 | $2,305 | $4,717 | $5,104 |
| +6yr | $2,565 | $26 | $2,409 | $5,001 | $5,415 |
| +7yr | $2,758 | $27 | $2,518 | $5,303 | $5,745 |
| +8yr | $2,965 | $28 | $2,631 | $5,624 | $6,096 |
| +9yr | $3,187 | $29 | $2,749 | $5,965 | $6,471 |
| +10yr | $3,426 | $30 | $2,873 | $6,329 | $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.