2026 GUIDE • WASHINGTON DC

How much does a certificate of occupancy cost in Washington DC in 2026

Most property owners in Washington DC pay $75 – $400 for a certificate of occupancy (CofO) in 2026, with the total driven by the building type, the declared construction value, and how many inspections and sign-offs your project requires before the certificate issues.

A certificate of occupancy is the document that says a building is legally allowed to be used for its intended purpose. No CofO, no legal move-in or operation — which is why it’s the last mile of every permitted project, and why it’s worth understanding before you get there.

Cost breakdown (2026)

Fee component	Typical 2026 cost
Filing fee	$32
Certificate of occupancy fee	$75 – $250
Base permit fee (tiered by construction value, where tied to a permit)	$33 – $150
Final inspections (building, trade closeouts)	Included to modestly added
Technology fee (10%)	~10% of permit fee
Enhancement fee (6%)	~6% of permit fee
Typical total	$75 – $400

The certificate itself is inexpensive. The real cost driver is getting to a state where it can issue — closing out every open trade permit and passing final inspections. See DC building permit costs for the permit side.

What affects the price

• Building type. Residential, commercial, and mixed-use projects have different documentation and inspection requirements.
• Declared construction value. Where the certificate is tied to a permit, the base fee scales with value.
• Number of open permits. Every unclosed trade permit is a gate before the CofO issues.
• Change of use. Converting a building’s use — say, from residential to commercial — triggers additional review and documentation.
• Zoning compliance. Where use or occupancy must be verified against zoning, an added review applies.

How the fee is calculated

DOB uses a formula, not a flat rate. Under the DOB fee schedule (2026):

1. Filing fee: roughly $32, charged up front.
2. Base permit fee: tiered by declared construction value — roughly $148 for the first $1,000, then about $10 per additional $1,000. Minimum flat tiers for very low-value work run around $33 – $65.
3. 10% technology fee: added on top of the permit fee.
4. 6% enhancement fee: also added on top.
5. Zoning fee: where a zoning review applies.

The certificate carries its own modest fee, separate from the underlying permit math. The key takeaway: fees scale with declared construction value, but the cost of a CofO is really the cost of getting your project inspection-ready.

Occupancy is also tied to how the space will be used. A restaurant needs health approvals, an assembly space needs fire and egress sign-offs, and a residential unit needs working smoke and carbon monoxide alarms. These are not DOB fees, but they gate the certificate just the same. Build a closeout checklist that includes every agency with a say in your occupancy, and work it in parallel rather than sequentially to avoid a stalled certificate at the end.

Timeline & steps

1. Complete permitted work. Finish construction and correct any outstanding corrections.
2. Close trade permits. Schedule and pass final electrical, plumbing, and mechanical inspections.
3. Request final inspections. Building, fire, accessibility, and green compliance where applicable.
4. File the CofO request via CitizenAccess. Submit once all prerequisites are satisfied.
5. Issuance. Allow 1 – 4 weeks for final inspection scheduling and certificate issuance after a clean file.

Common mistakes

• Leaving trade permits open. An unclosed permit blocks the CofO — the single most common delay.
• Requesting a CofO too early. Filing before inspections pass means a return trip and possible re-inspection fees.
• Ignoring corrections. Unresolved plan corrections resurface at closeout.
• Missing a change-of-use review. If the occupancy changes, additional approvals are needed before the certificate issues.

FAQ

Is a certificate of occupancy always required?

It’s required for a building to be legally occupied for its intended use. Some minor work doesn’t change occupancy and may not need a new certificate, but new construction and changes of use generally do.

How much is the CofO fee itself?

Typically $75 – $250 for the certificate, with the total landing around $75 – $400 once filing and any related fees are included.

Can I get a CofO before all work is finished?

For partially complete buildings, the District may issue a temporary certificate of occupancy instead. A full CofO requires all permitted work to pass final inspection.

How long does it take to get a CofO?

Once the file is clean and inspections pass, issuance usually takes 1 – 4 weeks. Most of the delay is scheduling final inspections and closing trade permits.

What if my building fails final inspection?

The inspector issues a correction list, you complete the work, and you reschedule — sometimes with a re-inspection fee. Fixing items before requesting the final inspection avoids that cost.

Disclaimer

Figures on this page are 2026 estimates based on the DC Department of Buildings fee schedule. Fee schedules change; always verify current amounts with DOB directly or through the CitizenAccess portal before filing. This article is informational and is not legal or financial advice.