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Independent guides to official building permit records.
Not a government agency or permit database.

City & County Guides

These jurisdiction-specific guides identify the city, county, or related agency that maintains building permit records and link to the relevant official government page or agency-authorized portal. Begin with the guide for the property jurisdiction, not only the city name in the mailing address, because incorporated and unincorporated areas can use different permitting authorities.

Each guide explains confirmed search inputs, portal steps, available record coverage, and a recovery path when results are missing or older records are offline. Use the Official Sources Directory when you are unsure which agency owns the record. Compare the property address with jurisdiction maps or parcel records when the guide identifies a boundary issue, and note whether the official source routes older files to an archive, microfilm desk, or public-records request. Portal availability and historical coverage can change, so review the stated verification date and follow the linked agency instructions. A search result alone does not establish code compliance, final approval, safety, or the current condition of a property.

NYC Energy Records: Grade, Benchmarking, or LL97?

October 5, 2026 by Building Permit History Editorial Team

Identify whether an NYC energy record is a benchmarking submission, LL33 grade and score, or separate LL97 report before interpreting its year or result.

Categories City & County Guides

NYC Street Name Change Records: Official or Honorary?

October 5, 2026 by Building Permit History Editorial Team

Classify the street-name clue, find its dated Council action, then carry the verified old or official name into an older permit search.

Categories City & County Guides

SEA Airport Utility Records: Load, Point, and Approval

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

Trace a SEA Airport utility application and revision to the Port record that addresses system load and connection point, then keep permits, inspections and closeout separate.

Categories City & County Guides

Port of Los Angeles Property Entitlement Records

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

A Port application names a proposed use; the property entitlement and any amendment show a different stage. Match the site, term, and instrument before judging the record.

Categories City & County Guides

NYC Urban Renewal Records: Plan, Deed, or LDA?

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

Identify the applicable urban-renewal Plan version, then match it to the recorded Deed, LDA or later agreement instead of relying on a fact sheet or zoning history.

Categories City & County Guides

DC Zoning Order Conditions and Occupancy Records

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

A zoning order and submitted condition matrix are not an issued Certificate of Occupancy. Match the order, evidence, agency review, and certificate by scope.

Categories City & County Guides

NYC E-Designation Records: Declarations and OER Notices

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

Separate an E-designation or Restrictive Declaration from OER notices and the later DOB permit, completion and occupancy records.

Categories City & County Guides

Boston Occupancy Records: CO and Fire Signoff

October 5, 2026 by Building Permit History Editorial Team

Ask ISD for the named occupancy record and keep its use, date and reference separate from permit inspections and fire-review documents.

Categories City & County Guides

DC HPO Raze Clearance Letter vs. Issued Permit

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

Read the HPO decision and DOB-issued raze permit as separate document stages; neither alone proves demolition completion.

Categories City & County Guides

Fairfax County Address Change: Acceptance Letter and MAR

October 19, 2026October 5, 2026 by Building Permit History Editorial Team

An old permit address and today’s map label can differ. Separate the request, acceptance letter, and MAR entry before deciding what changed.

Categories City & County Guides
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Independent guides to official building permit records. Not a government agency or permit database.

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