Exterior permits · District of Columbia

Where District of Columbia re-roofs and re-sides, permit by permit.

Roofing, siding, and window filings mark the envelope work that dates a house's condition and opens the roof for what goes on it next. Tradewinds observes them in county permit records.

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What the exterior record shows.
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Roof replacement

A new roof is the optimal moment for solar: the surface is fresh, and the homeowner is already mid-project.

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Siding and envelope

Siding work marks an older house getting a significant exterior spend, often with windows on the same job.

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Window replacement

Window filings are an efficiency spend, which is the same budget line as insulation and mechanical upgrades.

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Roof age on a parcel

A dated roof permit sets the clock for the next replacement on that property.

17311
exterior permits observed in District of Columbia, since January 2009

By county

Washington DC 17311

By year

2009 523
2010 824
2011 871
2012 832
2013 860
2014 932
2015 1001
2016 927
2017 1081
2018 1349
2019 1397
2020 1177
2021 1058
2022 1016
2023 819
2024 888
2025 1138
2026 618

Other trades in District of Columbia

Exterior in other states

See last week's activity, free

Every Monday we publish last week's exterior permits for every county we cover. Browse this week's activity.

Working in District of Columbia?

Tell us your territory and we will bring the data to the first call. See the counties and trades we cover on the coverage page, or the firms doing this work in the contractor registry.

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Built from county permit filings. Not every filing names a trade cleanly, and counties differ in what they publish, so these counts reflect our coverage as much as the work happening on the ground.