What homeowners actually paid for a security system in Seattle-Tacoma-Bellevue, WA
A security system ran 11% above the national median in Seattle-Tacoma-Bellevue, WA, where hired owners reported $800 (US: $720), about $880 in today's dollars. Prices here spread widely, from $400 at the 25th percentile to $1,500 at the 75th (3.8×, n=35), so scope matters more than the median. Its median ranks 2 of 13 metros with enough records. Do-it-yourselfers here reported $430 (n=59).
Hired owners, Seattle-Tacoma-Bellevue, WA
| Who did the work | n | 10th | 25th | Median | 75th | 90th |
|---|---|---|---|---|---|---|
| Hired a pro | 35 | $220 | $440 | $880 | $1,650 | $4,400 |
| Did it themselves | 59 | $160 | $270 | $470 | $660 | $1,320 |
| Everyone | 94 | $190 | $270 | $550 | $1,100 | $2,750 |
Today's dollars: survey amounts × CPI-U 334.980 (Aug 2026) ÷ 304.702 (2023 average), rounded to $10.
Seattle-Tacoma-Bellevue, WA vs United States
Self-reported, nominal dollars, scope varies. Data: AHS 2023 National PUF.
Other metros
Questions
How much did a security system cost in Seattle-Tacoma-Bellevue, WA?
Hired owners there reported a median of $800 (about $880 in Aug 2026 dollars), with the middle half between $400 and $1,500, from 35 survey records.
How reliable is a local figure?
It rests on 35 records, fewer than the national 860, so treat it as a rough local reading. Quote Check uses the division instead because this metro has fewer than 50 records.
Can I see where my quote falls?
Only as context: the spread here is 3.8×, too wide to place one quote meaningfully.