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Building permit data for environmental and land use research
A building permit records a single proposed change to one parcel: what is being built, demolished or altered, its declared valuation, and the date the jurisdiction issued it. That gives researchers an account of the built environment as it changes, months or years before the change shows up in a decennial census, an assessor's roll or a land cover classification. Because permits are filed with the local authority rather than reported by the owner, they catch small additions, alterations and demolitions that parcel snapshots miss. The limitation is that a permit is a statement of intent: not every issued permit becomes a finished building, and unpermitted work is invisible by construction.
How environmental and land use researchers use building permit data
Measuring neighbourhood change as it happens
Permit records give a dated, parcel located account of investment in the built environment, so researchers can construct monthly or annual measures of construction, demolition and renovation for small areas and use them as outcomes or as controls in work on land use change, displacement and environmental exposure. The usual design aggregates permits to a block group, tract or grid cell and reads the resulting series against a policy change, a rezoning or an administrative boundary. The measure is one of permitted activity rather than completed work, and jurisdictions differ in what triggers a permit at all, so the reporting thresholds need checking before counts from different authorities are pooled.
Development on hazard exposed and ecologically sensitive land
Joining issued permits to hazard layers or protected area boundaries lets researchers ask whether new construction is still being sited in floodplains, wildfire interface zones or habitat, and whether the pattern shifts after a disaster, a map revision or a change in insurance availability. The unit is the permitted project, which is what makes the question tractable: exposure is measured at the location of the new structure rather than averaged over a whole jurisdiction. A permit records what an authority approved and not what environmental review it received, so any claim about assessment being skipped has to bring the review record in separately.
Permitting time as regulatory friction
The interval between application and issuance is itself the variable in work on how permitting regimes shape the cost, timing and siting of building, including projects that trigger environmental review. Researchers typically model approval time against project type, declared valuation and issuing authority, comparing across authorities or across a reform date. Only permits that were eventually granted appear in the record, so applications withdrawn or refused after long delays drop out and the estimated delay is a lower bound.
Building permit datasets available on Dewey
Construction Monitor
United States building permit records, the base panel for measuring where and when construction, alteration and demolition are actually being approved.
View datasetATTOM
Parcel level residential property records that let a permit be attached to the property it modifies, so construction activity can be read against property characteristics rather than counted on its own.
View datasetClimateCheck
Property level climate risk assessments, which let new construction be sorted by the hazard exposure of the land it is going up on rather than by jurisdiction alone.
View datasetMore published work using building permit data
Cédric Mpié Simba, Emmanuel Lemelin, Éric Masson, Ahmed Senouci, Walid Maherzi · 2023
Munikoti, Sai · 2025
Omar M. Makram, Nwabunie Nwana, Alan Pan, Juan C. Nicolas, Rakesh Gullapelli, Budhaditya Bose, Ashutosh Sabharwal, Jenny Chang, Zulqarnain Javed, Bita Kash, Jay E. Maddock, Khurram Nasir, Sadeer Al-Kindi · JACC: Advances · 2025
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