How much does home remodel cost in Cambridge? The usual remodel, addition & alteration job filed with Cambridge is $24,805, from 3,509 priced permits (October 2023 through September 2026); the middle half of firms file between $13,679 and $109,800. A filed value is what the contractor wrote on the permit, not a quote or the final bill.
The usual remodel, addition & alteration job filed with Cambridge is $24,805, from 3,509 priced permits, October 2023 through September 2026. The middle half of firms usually file between $13,679 and $109,800. 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. A remodel, addition & alteration permit here usually takes 304 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 3,509 priced permits across 1,395 firms, pooled into one. Half of Cambridge remodel, addition & alteration permits were filed between $9,900 and $81,800.
| Percentile | Filed value | Reads as |
|---|---|---|
| 10th | $4,400 | 1 in 10 permits filed below |
| 25th | $9,900 | 1 in 4 filed below |
| 50th | $26,100 | the middle permit |
| 75th | $81,800 | 1 in 4 filed above |
| 90th | $262,000 | 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: City of Cambridge FY2026 assessed values.
| Firms working on | Usual home value | Usual filed value | Firms | Permits |
|---|---|---|---|---|
| Lower third | under $1,450,800 | $26,372 | 437 | 831 |
| Middle third | $1,450,800–$2,339,150 | $16,250 | 438 | 1,663 |
| Upper third | $2,344,900 and up | $57,000 | 438 | 885 |
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. Busy is not the same as careful: pick what you value to build a list.
| Firm | Permits | Last 12 mo | Usual | Middle half | Finished |
|---|---|---|---|---|---|
| Homeworks Energy | 217 | 77 | $5,000 | $2,000–$7,000 | 86.0% |
| Neeeco LLC | 90 | 24 | $7,000 | $4,250–$11,000 | 92.1% |
| Seeair, Inc | 27 | 20 | $5,800 | $2,650–$10,000 | 3 of 9 |
| Renewal by Andersen | 90 | 16 | $16,516 | $11,019–$29,704 | 63.7% |
| Pella of Boston | 28 | 16 | $12,600 | $7,658–$16,705 | 40.3% |
| S+H Construction | 35 | 14 | $60,000 | $31,563–$148,001 | 63.9% |
| Fisher Windows | 54 | 13 | $15,150 | $9,041–$23,118 | 62.2% |
| Fresh Start Contracting | 33 | 10 | $115,000 | $58,000–$334,000 | 21.5% |
| Maintenance Resource Co Inc | 11 | 8 | $93,350 | $39,687–$116,472 | — |
| RB Farina Roofing | 34 | 7 | $13,905 | $9,296–$21,476 | 63.3% |
Line your quote up against the file. In Cambridge, 1 in 10 remodel, addition & alteration filed values sit under $4,400, the middle half between $9,900 and $81,800, and 1 in 10 over $262,000.
Cambridge files the fewest remodel, addition & alteration permits in September (79 against an average month of 100) and the most in October (124). 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 Cambridge →
Source: City of Cambridge Inspectional Services permits (the city's per-type open-data permit files). 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 Cambridge →
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Other job costs in Cambridge: Electrical · Roofing · Solar · Demolition · New Construction · Siding