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Window Replacement Cost in Somerville, MA: what the permits say

How much does window replacement cost in Somerville? The usual windows, doors & siding job filed with Somerville is $16,700, from 547 priced permits (October 2023 through September 2026); the middle half of firms file between $8,715 and $26,980. A filed value is what the contractor wrote on the permit, not a quote or the final bill.

$16,700usual filed value
$8,715–$26,980middle half of firms' usual jobs
547priced permits (100% of 547)
202firms on file
461days, permit issue to final
Sep 2026records through

How much does window replacement cost in Somerville?

The usual windows, doors & siding job filed with Somerville is $16,700, from 547 priced permits, October 2023 through September 2026. The middle half of firms usually file between $8,715 and $26,980. 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 windows, doors & siding permit here usually takes 461 days from issue to final inspection. How long permits take →

What the spread looks like

Approximately, from each firm's own spread: every firm's range of filed values, weighted by its 547 priced permits across 202 firms, pooled into one. Half of Somerville windows, doors & siding permits were filed between $7,800 and $28,500.

PercentileFiled valueReads as
10th$4,6001 in 10 permits filed below
25th$7,8001 in 4 filed below
50th$16,600the middle permit
75th$28,5001 in 4 filed above
90th$52,3001 in 10 filed above

By home value

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 Somerville FY2025 assessed values.

Firms working onUsual home valueUsual filed valueFirmsPermits
Lower thirdunder $991,250$14,10065294
Middle third$991,250–$1,290,500$14,98066155
Upper third$1,299,400 and up$27,0006690

Busiest firms and what they usually charge

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.

FirmPermitsLast 12 moUsualMiddle halfFinished
Fisher Windows2819$7,622$6,475–$13,23084.7%
Renewal by Andersen5713$19,941$12,325–$31,08559.1%
JB Sash & Door Inc2611$14,100$8,206–$23,79221.7%
Window Nation LLC2211$10,000$5,952–$16,33166.0%
Robicco3010$5,224$3,243–$9,98370.2%
L&P Boston Operating Inc2510$8,715$4,150–$15,83511.6%
Infinity Replacement LLC66$53,307$47,552–$68,028—
Sal Querusio85$25,000$23,750–$25,000—
Lowes Home Centers65$7,861$4,414–$11,811—
Bruin Corp of Framingham54$20,382$18,522–$21,548—

Why filed values run low or high

  • The 10 busiest firms usually file $10,000; the 192 firms with fewer than 10 permits usually file $20,600.
  • Firms working on the most expensive third of homes (usual home value $1,299,400 and up) usually file $27,000, against $14,100 for the least expensive third.
  • One permit type covers small and large jobs: 1 in 10 windows, doors & siding permits is filed under $4,600 and 1 in 10 over $52,300, 11 times as much.
  • 100.0% of the 547 permits carry a value; the 0 without one are left out of every figure here.

Is your quote normal? Compare it with 547 filed values

Line your quote up against the file. In Somerville, 1 in 10 windows, doors & siding filed values sit under $4,600, the middle half between $7,800 and $28,500, and 1 in 10 over $52,300.

  • $68,000Above $52,300: higher than 9 in 10 filed values for this work in Somerville.
  • $16,700Right at the usual $16,700: in the middle of the file.
  • $3,200Below $4,600: lower than 9 in 10. Ask what the quote leaves out.

When to schedule window replacement in Somerville

Somerville files the fewest windows, doors & siding permits in February (42 against an average month of 100) and the most in July (147). 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 Somerville →

How these numbers are made

Source: City of Somerville permit applications (issued permits only). 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 Somerville →

Common questions

  • How many quotes should I get for a windows, doors & siding job in Somerville?At least three. In the permit record the middle half of Somerville windows, doors & siding firms usually file between $8,715 and $26,980 a job, so two ordinary firms can sit 3.1 times apart and both be normal for Somerville. A third quote shows which one is the outlier. Filed values are what contractors wrote on permits, not quotes, so use them to judge the spread, not to price your own job.
  • What range is normal for windows, doors & siding jobs in Somerville?Half of permits were filed between $7,800 and $28,500; 8 in 10 between $4,600 and $52,300. These are approximate, pooled from each firm's own spread.
  • How much do window installers charge in Somerville?The usual windows, doors & siding job is filed at $16,700; the middle half of firms usually file between $8,715 and $26,980. The 10 firms with the most permits in the last 12 months usually file $10,000, less than the usual. See every firm's usual job →
  • Why is this different from the per-window prices I see online?Online prices are quoted per window. A filed value is one number for the whole job on one permit, often many windows plus the work around them, and the Somerville file does not record how many each job covered, so we can't turn $16,700 into a price per window.
  • Do bigger houses get bigger bills?In the file, yes for the firms: those working on the upper third of homes by value usually file $27,000, the lower third $14,100. That is firms, not single jobs.
  • Where does this data come from?City of Somerville permit applications (issued permits only), read October 2026. How the records work in Somerville →

Windows, Doors & Siding cost in other cities: Chicago Cleveland Miami Minneapolis St. Louis Albuquerque Saint Paul Cape Coral Palo Alto Denton Burlington, VT San Francisco Anaheim Elk Grove Tyler, TX Wheaton, IL Marin County (unincorporated) Sacramento County (unincorporated) Citrus Heights, CA

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