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Plain-English guides for NYC owners, managers, and supers — violations and filings, licensed gas work, boilers and steam, building operations, and everyday plumbing systems. Use the guides to understand the issue, then follow the service path that owns the next decision.
43 guides · Updated Oct 11, 2026
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Route by the work you need: an active violation, required compliance, licensed gas, heating, building-wide planning, or a specific plumbing service.
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Match an NYC property, see its recorded community district and LL152 cycle, then answer five short questions and get a concrete next step. The result does not claim filing acceptance or legal compliance.
Featured Guides
Start with this guide
A step-by-step guide for NYC property owners—from reading a DOB plumbing violation to licensed correction, certification, and closeout.
Best first read when a DOB plumbing notice, violation, or enforcement issue has already appeared.
Featured library
A plain-English index for the DOB, HPD, DEP, and ECB/OATH codes owners see on notices, title searches, and BIS records.
19code guides and correction paths
Each page explains what the code means, why it was issued, and what clears it.
Quick Questions
Browse short answers about violations, compliance, service calls, and next steps.
Guides Library
Browse the latest posts and owner guides by the problem you are trying to solve.
The two most recently published guides.
Owner Guides
A failed NYC building gas pressure test pauses restoration. Learn what the result proves, how scope is defined, and which records owners should request.
Read guideOwner Guides
A practical NYC multifamily hot-water triage guide for separating heater output, mixing-valve control, recirculation, and apartment-level faults.
Read guideWhat to do when an enforcement issue is already active.
Violation Response
What a red-tagged boiler means for NYC buildings, why utilities shut equipment down, and the Licensed Master Plumber path to repair, filings, and restored heat.
Read guideViolation Response
Safety-first steps after an NYC building gas shutoff and how assessment, permits, testing, DOB records, and utility restoration fit together.
Read guideViolation Response
A practical NYC owner guide to after-the-fact plumbing permits, DOB work-without-permit records, L2 fees, and Licensed Master Plumber review.
Read guideViolation Response
Learn how NYC owners and managers should approach a DOB Certificate of Correction for plumbing, gas, boiler, permit, OATH, and closeout records.
Read guideViolation Response
What NYC owners should verify after a plumbing stop-work order and how permits, correction, inspection, and DOB rescission fit together.
Read guideViolation Response
A practical comparison of HPD, DOB, DEP, and OATH plumbing records and why resolving one agency item may not close the others.
Read guideViolation Response
A practical NYC owner guide to OATH/ECB plumbing summonses, hearing prep, proof of correction, defaults, payments, and DOB closeout records.
Read guideRecurring inspections, filings, and compliance deadlines.
Required Filings
Learn how NYC annual boiler inspection defects differ from an unsafe condition requiring shutdown, and what owners should track through correction.
Read guideRequired Filings
What NYC owners should know about Local Law 157 natural gas alarms, the January 1, 2027 deadline, placement rules, notices, and records.
Read guideRequired Filings
A practical NYC owner workflow for reading a failed boiler First Test, correcting the cited work, scheduling reinspection, and confirming DOB sign-off.
Read guideRequired Filings
A practical NYC owner guide to the different Local Law 152 paths for no gas piping versus existing piping with fully inactive gas service.
Read guideRequired Filings
See which NYC boilers need annual DOB inspections, the 14-day filing deadline, defect correction steps, and First Test rules for new equipment.
Read guideRequired Filings
A practical NYC owner guide to DEP backflow screening, common property triggers, the one-domestic-line residential exemption path, and written approval.
Read guideRequired Filings
How NYC Local Law 152 deadlines use community districts, what changed with the July 2026 DOB NOW transition, and what owners should verify.
Read guideRequired Filings
How NYC Local Law 152 gas-piping issues develop, what owners should verify, and how inspection, correction, and filing records fit together.
Read guideRequired Filings
A practical NYC plumbing compliance calendar for property managers tracking gas inspections, boiler filings, backflow tests, HPD heat rules, and violations.
Read guideRequired Filings
What NYC owners should do after a failed backflow test: document the result, repair or replace the device, retest it, and submit the correct DEP record.
Read guideRequired Filings
A practical NYC backflow prevention testing checklist for owners covering DEP records, LMP signatures, device documents, annual tests, and follow-up.
Read guideRequired Filings
A practical guide to NYC grease-interceptor planning, installation, maintenance records, and owner-tenant coordination for food-service spaces.
Read guideIssues that surface during title, lender, and buyer review.
Buying / Selling Property
How open plumbing, gas, boiler, permit, and agency records affect NYC due diligence and what owners should verify before a sale.
Read guideBuying / Selling Property
Check 5 public record sources before buying an NYC property: DOB, DOB NOW, HPD, OATH, and the plumbing conditions behind them.
Read guideGeneral guidance for NYC owners, managers, and supers.
Owner Guides
An NYC boiler-room walkthrough for managers to check access, equipment, controls, records, and service gaps before or during the opening weeks of heat season.
Read guideOwner Guides
An NYC owner guide to a DEP three-day water service line notice: immediate coordination, LMP diagnosis, DEP and DOT permits, repair or relay, and closeout.
Read guideOwner Guides
An owner-focused NYC boiler replacement sequence covering scope, permits, licensed work, First Test readiness, sign-off, and the final turnover file.
Read guideOwner Guides
A practical NYC plumbing rough-in checklist for GCs to verify drawings, permits, piping, access, tests, inspections, and records before walls close.
Read guideOwner Guides
A practical NYC manager guide to mapping affected gas service, tenant access, temporary arrangements, licensed work, inspections, and utility restoration.
Read guideOwner Guides
A practical scope guide for NYC property managers comparing annual boiler startup and shutdown programs, service records, exclusions, and handoffs.
Read guideOwner Guides
Map cold and overheated rooms across an NYC steam building, separate radiator, riser, main, and control patterns, and prepare a useful service handoff.
Read guideOwner Guides
A practical Brooklyn steam owner manual: identify one- and two-pipe systems, keep useful records, spot changes, and know when to call a specialist.
Read guideOwner Guides
A board-ready NYC co-op and condo plumbing alteration checklist for permits, inspections, sign-offs, final records, and managing-agent handoff.
Read guideOwner Guides
A practical NYC owner brief for scoping heating-plant condition, options, budget gates, permits, phasing, commissioning, and closeout before pricing a project.
Read guideOwner Guides
Opening an NYC restaurant with gas cooking? Track the separate FDNY, DOB gas authorization, inspection, meter, and utility startup handoffs.
Read guideOwner Guides
A practical NYC guide to changing the Licensed Master Plumber on an unfinished DOB job: identify the filing, inspect the work, and use the correct supersede path.
Read guideOwner Guides
Plumbing sign-off can stall an NYC TCO or Final CO. Learn which DOB record is open, who owns the next step, and how to build a clean closeout file today.
Read guideOwner Guides
DOB gas authorization, plumbing sign-off, and utility restoration are separate approvals. Learn what each proves and how NYC owners track the handoff.
Read guideOwner Guides
A practical NYC owner guide to active sewer backups, 311 reporting, private-line diagnosis, DEP notices, cleanup, permits, and repair records.
Read guideOwner Guides
Only 43% of covered NYC buildings meet Local Law 97's 2030 limits based on 2024 data. Turn exposure into a practical mechanical retrofit brief.
Read guideOwner Guides
NYC bans No. 4 oil after July 1, 2027. Build a conversion plan around records, fuel options, utility capacity, permits, construction, and closeout.
Read guideOwner Guides
What NYC landlords and property managers should do when HPD heat or hot water complaints appear, from tenant report to repair records and certification.
Read guideOwner Guides
NYC restaurant plumbing checklist for owners before opening: lease review, gas piping, grease interceptor, backflow, DOB permits, and inspection records.
Read guide