Impact Window Installation cost in Washington, DC
Washington, DC · updated August 2026
$24,800
Typical local cost
$12,100 – $56,200
Typical range
- per window installed
- $850 – $2,550
- Permit
- Yes
- Typical timeline
- 1-3 days of installation
Installed, local pricing
$195 – $910 in fees
1-3 days of installation, 3-8 weeks including product lead time and permitting
Washington runs +34% against the U.S. average · data confidence Medium · modeled estimate, not a quote
Most Washington homeowners pay around $24,800. The local adjustment for this trade is x1.339 — driven mainly by District of Columbia labor rates and 100% exposure to local code requirements.
Cost by project size
Generated from the same unit pricing the calculator uses.
| Project size | Estimated range |
|---|---|
| 9 window installed | $7,700 – $23,000 |
| 12 window installed | $10,200 – $30,600 |
| 15 window installed | $12,800 – $38,300 |
| 19 window installed | $16,200 – $48,500 |
| 25 window installed | $21,300 – $63,800 |
Based on Washington pricing of $850–$2,550 per window installed.
Cost by window count and install type
Windows are priced per opening. Frame material and whether the crew does a retrofit (insert) or full-frame install drive the spread. Every row is priced against the Washington median.
| Scope | What it includes | Typical installed cost |
|---|---|---|
| 5 windows — retrofit | Insert into sound existing frames, vinyl | $8,700 – $12,400 |
| 10 windows — retrofit | Typical partial-home replacement | $17,400 – $23,600 |
| 15 windows — mixed | Most of a single-family home | $24,800 – $33,500 |
| 20 windows — full-frame | Whole-home, frames and trim replaced | $33,500 – $45,900 |
| 10 windows — impact / structural | Impact-rated or egress-corrected openings | $28,500 – $39,700 |
- • Retrofit inserts keep the existing frame and cost less; full-frame replacement is required once the frame or sill is rotted or the opening is being resized.
- • Rough-opening changes and egress corrections turn a window job into a permitted structural job.
- • Frame material sets the floor: vinyl is the value option, fiberglass and clad-wood carry a premium, aluminum is mostly a warm-climate product.
- • In wind-borne debris regions the glazing package, not the frame, is the biggest single line item.
Basis: Each scope is priced as a multiple of the modeled Washington median for impact window installation, so the scenarios, the size table and the calculator always agree. · Hometriva methodology
Cost by material
Installed cost in this market, with expected service life.
| Material | Installed range | Lifespan | Maintenance |
|---|---|---|---|
| Aluminum Impact Windows | $28,500 – $47,100 | 30–40 yrs | Low |
Where the money goes
- Labor
- $9,400
- 37% of median
- Materials
- $15,400
- 61% of median
- Permit & fees
- $555
- 2% of median
Washington project costs+34% vs U.S. average
Based on District of Columbia labor rates, local material logistics and permit-fee posture for this trade.
What the project looks like start to finish
Typical sequence for this scope. Timing varies with contractor backlog and plan-review queues.
01
Planning & quotes
Scope, material choice, contractor selection
02
Permit application
Filed with City of Washington building department
03
Materials & staging
Order lead time on non-stock materials
04
Installation
1-3 days of installation, 3-8 weeks including product lead time and permitting
05
Inspection
Window buck / opening inspection, Installation and attachment, Final inspection
06
Closeout
Final sign-off, warranty and documentation
Washington labor intelligence
What the trade charges here, and how much of your price it is.
Loaded hourly rate
$77–$100
Exterior crews in District of Columbia · +29% vs U.S. ($68/hr)
Typical crew
3 × 4.5 days
On-site time for a typical impact windows job here.
Labor in the price
$9,400
38% of the median — the rest is material, disposal and permit.
Because labor is 38% of this job, Washington wage levels move the price far more than material prices do. A quote well under this labor figure usually means a smaller crew, a longer schedule, or unlicensed help.
Basis: Hometriva labor model: national exterior crew rates adjusted by the District of Columbia labor factor (x1.286). · BLS Occupational Employment and Wage Statistics, Hometriva methodology
Why Washington differs from the national average
The local delta, broken into dollars by driver.
Code and inspection load+$2,250
Impact Window Installation carries 100% exposure to local code requirements, and this jurisdiction's review load indexes at x1.12.
Trade labor rates+$2,000
District of Columbia crews price 29% above the national average, and labor is 38% of this job.
Material and delivery+$1,575
Materials are nationally traded, so they move less — but delivery into this market runs 14% over baseline.
Permit fees+$125
Fees are paid to the jurisdiction, not the contractor, and are budgeted separately from the contract price.
Basis: Decomposition of the modeled Washington median against the U.S. median for this scope. · City of Washington building department, Hometriva methodology
Washington vs District of Columbia vs the U.S.
Change the inputs, see your number
The same local model, run against your job instead of the average one.
Simulated impact window installation in Washington
$25,355
Likely range $12,655 – $56,755
Simulated from the same local model as the numbers above — it changes the inputs, not the pricing method.
What makes the number move
- Number and size of openings
- Design pressure rating required for your wind zone
- Aluminum versus vinyl frames
- HVHZ product approval requirements in Miami-Dade and Broward
- Stucco and drywall patching after installation
Who issues each permit
Tracked per discipline — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.
| Discipline | Issuing authority |
|---|---|
| building | City of Washington building departmentModeled estimate |
| electrical | City of Washington building departmentModeled estimate |
| mechanical | City of Washington building departmentModeled estimate |
| plumbing | City of Washington building departmentModeled estimate |
| zoning | City of Washington building departmentModeled estimate |
| fire | City of Washington building departmentModeled estimate |
Permit requirement in Washington
Yes — a permit is required for impact window installation in Washington, DC. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.
- Permitting authority
- City of Washington building departmentModeled estimate
- Permit fee
- Estimated allowance $195–$910Modeled from comparable fee schedules — not an official quoted fee.
Inspections
- Window buck / opening inspection
- Installation and attachment
- Final inspection
Local conditions that change this job
Only the exposures that materially affect impact window installation.
Design wind speed exposure
Moderate58/100
Named-storm exposure
Moderate52/100
Coastal / salt-air exposure
Moderate40/100
The Department of Buildings reviews all work district-wide, and historic-district review covers a large share of the housing stock.
Owner-occupied homes
42%
Owner-occupied share of the housing stock, which drives how much of this work is homeowner-funded versus landlord-funded.
Households in market
268,721
Approximate household count in Washington, used to size the contractor pool for this trade.
Permit activity index
x1.30
Relative permit volume and fee load versus the national baseline.
Nearby market comparison
| Market | Local factor | Median | Per window installed |
|---|---|---|---|
| Washington (this page) | x1.339 | $24,800 | $850 – $2,550 |
| Baltimore | x1.151 | $21,300 | $750 – $2,200 |
| Richmond | x1.026 | $19,000 | $650 – $1,950 |
| Philadelphia | x1.249 | $23,100 | $800 – $2,350 |
What Washington homeowners actually paid
Real reported invoices from this market, aggregated. Add yours — it takes 20 seconds and no personal details.
Quotes homeowners were given in Washington
Quotes run ahead of final invoices. Reporting yours shows the local spread and where there is room to negotiate.
How Hometriva estimates Washington impact windows costs
Hometriva does not publish invented city prices. The Washington estimate for impact window installation is produced by this chain, and every input is stored separately:
- National baseline$18,500
Typical U.S. cost for impact window installation on a single-family home.
- Local labor factorx1.286
Washington-area trade labor rates, weighted at 38% of this job.
- Material factorx1.137
Material and delivery pricing into District of Columbia, weighted at 62%.
- Regulatory factorx1.122
Local code, product-approval and inspection load, applied at 100% for this project type.
- Applied multiplierx1.339
Blended Washington adjustment specific to impact window installation.
- Permit component$195 – $910
Budgeted separately from the contract price because it is paid to the jurisdiction.
Because labor, material and regulatory factors are weighted per project, impact window installation in Washington carries a different local adjustment than other trades in the same market.
Reviewed by
Hometriva Cost Data Desk
Maintains the unit-cost baselines, local adjustment factors and material pricing. Reviewed for impact window installation pricing in Washington, DC.
- • National unit-cost baselines against current trade pricing
- • Local labor and materials factors for the market
- • Material installed-cost ranges and service life
Last reviewed August 2026 · Editorial standards · Report an error
Frequently asked questions
Do impact windows need a permit in Florida?
Yes. Replacing a window changes an opening protection assembly, so every Florida jurisdiction requires a permit with product approval numbers and attachment details for each unit.
Do impact windows lower insurance?
Florida requires insurers to offer wind mitigation discounts for approved opening protection. Have a wind mitigation inspection done after installation so the credit is applied.
Sources
Sources & verification
- City of Washington building department
- Washington permit portal
- DC Department of Buildings
- BLS Occupational Employment and Wage Statistics
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.