How much does home addition cost in Bellevue? The usual addition job filed with Bellevue is $125,000, from 177 priced permits (October 2023 through September 2026). A filed value is what the contractor wrote on the permit, not a quote or the final bill.
The usual addition job filed with Bellevue is $125,000, from 177 priced permits, October 2023 through September 2026. Half of jobs were filed for less, half for more. A filed value is what the contractor wrote on the permit, not a quote or the final bill. An addition permit here usually takes 364 days from issue to final inspection. How long permits take →
Approximately, from each firm's own spread: every firm's range of filed values, weighted by its 177 priced permits across 151 firms, pooled into one. Half of Bellevue addition permits were filed between $60,400 and $250,000.
| Percentile | Filed value | Reads as |
|---|---|---|
| 10th | $29,000 | 1 in 10 permits filed below |
| 25th | $60,400 | 1 in 4 filed below |
| 50th | $125,000 | the middle permit |
| 75th | $250,000 | 1 in 4 filed above |
| 90th | $527,000 | 1 in 10 filed above |
Firms split into thirds by the usual value of the homes they work on, with each third's usual filed value weighted by permits. Home values: King County Assessor appraised values.
| Firms working on | Usual home value | Usual filed value | Firms | Permits |
|---|---|---|---|---|
| Lower third | under $1,524,000 | $120,000 | 50 | 57 |
| Middle third | $1,524,000–$2,138,500 | $107,640 | 50 | 60 |
| Upper third | $2,176,000 and up | $150,000 | 51 | 60 |
Top 10 by permits in the last 12 months. Usual is each firm's middle filed value; middle half is the range its middle half of jobs were filed in; both are shown for firms with 5 or more priced permits. Busy is not the same as careful: pick what you value to build a list.
| Firm | Permits | Last 12 mo | Usual |
|---|---|---|---|
| Bekins Construction Inc | 2 | 2 | — |
| Summerflex Roofing & Const LLC | 2 | 2 | — |
| MW Builds LLC | 2 | 2 | — |
| Tillit Design & Build LLC | 2 | 2 | — |
| Shane Brewer Construction Inc | 3 | 1 | — |
| Mercer Builders LLC | 3 | 1 | — |
| Lochwood-Lozier Custm Homes Co | 2 | 1 | — |
| PM Construction One LLC | 2 | 1 | — |
| Haiyuan Construction LLC | 2 | 1 | — |
| Medina Interior Solutions LLC | 2 | 1 | — |
Line your quote up against the file. In Bellevue, 1 in 10 addition filed values sit under $29,000, the middle half between $60,400 and $250,000, and 1 in 10 over $527,000.
Bellevue files the fewest addition permits in August (54 against an average month of 100) and the most in July (176). If you can choose, ask for quotes in a quiet month. We have no prices by month, so this is about crews' schedules, not a discount. When each trade is busiest in Bellevue →
Source: City of Bellevue permits on single-family homes and condo units. The window is October 2023 through September 2026; a permit filed after that isn't here yet.
Usual is the middle permit: half were filed for less, half for more. Only permits with a filed value count; a value of $0 or none is left out.
The spread is approximate: we keep seven points of each firm's own range of filed values, not every permit, and pool them.
Nobody paid to be on this page and nobody can. How the records work in Bellevue →
Addition cost in other cities: Orlando Cincinnati Miami Minneapolis Denver San Diego Honolulu Albuquerque Boulder Greensboro Saint Paul Arlington, VA Scottsdale Somerville Cary Naperville Cape Coral Bellingham Bend San Francisco Anaheim Columbus, OH Marin County (unincorporated)
Other job costs in Bellevue: New Home · Deck & Patio Cover