A lot line adjustment permit in Washington DC costs about $400–$1,500 in 2026, driven by survey work, plat review, recordation, and any DOB permit fees.

A lead safe renovation permit in Washington DC costs roughly $150–$900 in 2026 depending on renovation scope, building age, and required certification work.

A home occupation permit in Washington DC costs $100-$450 in 2026, combining a small DOB zoning filing with a Basic Business License fee from the District.

A home elevator permit in Washington DC costs $700 – $1,200 in 2026, driven by declared construction value, electrical add-ons, and final inspection fees.

A home addition zoning variance in Washington DC costs about $1,100–$3,500 in 2026, led by the BZA application fee, notice costs, and consultant help.

A historic landmark permit in Washington DC costs roughly $300–$1,200 in 2026, driven by construction value and Historic Preservation Review Board review.

A historic district permit in Washington DC costs $75 – $500 in 2026, plus HPRB review time and design costs. Full DC DOB fee and timeline breakdown.

A heat pump permit in Washington DC costs roughly $150–$450 in 2026, driven by system size, electrical scope, plan review, and DC DOB surcharges for the job.

A green building permit in Washington DC runs roughly $400–$2,000 in 2026 depending on construction value, Green Building Act compliance, and plan review scope.

A grading permit in Washington DC costs about $250 – $1,000 in 2026, driven by construction value, disturbed area, erosion control, and DOB surcharges.