C
Cyrano Security
12 min read
For acquiring owners of multifamily real estate

You are inheriting a DVR you cannot log into. The due diligence checklist does not mention it.

Open any multifamily due diligence checklist and you will find the roof, the HVAC, the boiler, the electrical panel, the rent roll, the estoppels, the lease audit, and the site survey. You will not find the DVR in the office closet. Which is unusual, because on closing day that recorder becomes yours, and it is the only device on the property that answers the question “what actually happened here last week?”

This page is for buyers of real estate multifamily for sale who want to inspect that asset before they close, or who have already closed and now need an indexed event log of their new property without the DVR password, without working remote access, and without an integrator schedule. Cyrano reads the HDMI multiview the recorder is already producing and writes a queryable event record per tile per event, under 2 minutes to install on whatever recorder is in the closet.

See the event log on the property I am buying
4.9from 50+ properties
HDMI tap, no DVR credentials required
Up to 25 camera feeds indexed per unit
Nine field event record plus a 480x270 JPEG thumbnail per event
Indexed event log live in under 2 minutes on the existing recorder

Why the top search results for this keyword do not help a buyer

Search “real estate multifamily for sale” and the first page is LoopNet, Crexi, Zillow, Marcus & Millichap, and HUD listings. These are inventory feeds for deal flow, not operational guides for what happens after close. Search the natural next query, “multifamily due diligence checklist,” and the first page is Meybohm Commercial, 100Units, BiggerPockets, SnapInspect, Marketspace Capital, and PropertyMetrics. Every one of those checklists covers the same six categories: financial audit, rent roll, building inspection, market analysis, legal, and marketing. None of them mentions the recorder.

That is not a drafting oversight. The reason the DVR is missing is that the standard PCA (Property Condition Assessment) under ASTM E2018 classifies the recorder as FF&E or owner-installed tenant improvement, which puts it outside the PCA scope unless the buyer specifically writes it in. And almost no buyer writes it in, because the recorder seems like it will just transfer with the real property at close.

It does transfer, but it transfers in a condition nobody inspected. The admin password is whatever the old property manager set five years ago. Remote access is broken in roughly a third of the deployments we see. Channel numbers no longer match the cameras because layout swaps broke the map. Half the drives are full, and retention has silently shrunk to 72 hours. The new owner does not learn any of that until a tenant calls on day four asking for a clip.

What a buyer actually inherits on the DVR

This is the five-step reality of walking into the office closet after close and trying to get value from the recorder that came with the deal.

1

The admin password is a mystery

Old property manager set it. Old property manager left. The Post-it note under the keyboard does not match. Default admin credentials (admin / 12345, admin / admin) sometimes work on Hikvision and Dahua, but locking out the account after three tries is the usual result.

2

Remote access is broken or was never set up

Port-forwarded IP changed. DDNS entry expired. The manufacturer cloud app (Hik-Connect, DMSS, Lorex Home) is bound to an email the seller no longer owns. Roughly a third of our deployments require driving to the site to touch the recorder physically.

3

The channel map no longer matches reality

The taped-to-the-wall channel list says CH6 is Mailroom Interior. A layout swap 14 months ago moved Mailroom Interior to CH9 and CH6 is now a dead parking-lot camera that got unplugged. Stored queries, saved exports, and the guard's mental model all reference the wrong channel.

4

Retention is not what the spec sheet says

Manufacturer advertises 30 day retention on the installed drive capacity. Reality is 5 to 14 days on a property with 16 cameras at 1080p because retention is a function of motion density and disk health, not spec. Half the drives in the field have degraded silently.

5

There is no event-level index at all

The smart search feature is a motion scan. It does not classify events. It is keyed on channel number. It takes two to five minutes to run a single query on a 24 hour window. And it resets to factory default every time the DVR firmware auto-updates overnight.

The HDMI tap inverts the problem

The DVR is a black box from the buyer's perspective. But the DVR is already producing a one-way signal that exposes almost everything the buyer needs: the HDMI output that feeds the wall monitor. That signal is the live, tiled multiview. Camera names are stamped on each tile. Event regions are visible in each tile. The clock is stamped in the corner. The channel bug identifies which DVR channel corresponds to which tile.

Cyrano sits inline on that HDMI cable. It decodes each composite frame at the source, masks the DVR overlays so they do not pollute the detector, classifies what is happening on each tile, and writes an event record plus a thumbnail to the dashboard. The new owner never logs into the DVR, and does not need to.

DVR HDMI output -> Cyrano indexing -> new owner dashboard

Multiview tiles
Camera-name strip
DVR clock
Channel bug
Cyrano edge AI tap
tile.label events
event_class log
Thumbnail grid
Lender-ready PDF

One event record from the first 24 hours after close

This is the exact payload shape a Cyrano unit writes for every event, from every property, from every recorder brand. Nine fields plus a JPEG. No DVR credentials were used to produce this record.

cyrano.event.json
Anchor fact

tile.label is the camera name the DVR stamps on the strip, not the channel number

This is the detail that survives everything a new owner inherits. Channel numbers change when property staff re-layout the multiview. DVR admin passwords expire or get rotated. Remote access breaks. But the camera-name strip on the HDMI multiview is the same label the previous and new property manager, the guard, the insurance carrier, and the police report all use (Mailroom Interior, North Dumpster, Pool Gate, Loading Dock NE). Cyrano reads that strip, makes it the primary event key, and every filter you save on day one still resolves correctly after every future layout swap, firmware update, or staffing change. The buyer's saved queries become a permanent asset of the property, independent of the recorder underneath.

The buyer's first week, one filter

You can answer the question “what was actually happening on this property the week before I closed?” with a single filter. The dashboard renders it as dropdowns. The SQL shape is below for people who want to see how small the request actually is.

acquisition_baseline.sql

Output is a thumbnail strip, sorted newest first, of every event on every tile that falls in your chosen categories. Coverage holes show up as tile.label entries that never appear in the log at all. Dead channels show up as a tile with zero events over a week when every adjacent tile has hundreds. Pattern abuse shows up as event density clusters at specific times on specific tiles.

Five things a buyer typically finds in the first tap

Representative findings from the first 7 days of a Cyrano tap on a newly-acquired Class C multifamily property. These are the things that never appear on a PCA or T-12 line item.

Dead channel the seller never disclosed

Tile labeled North Dumpster produces zero events in 7 days while adjacent North Lot A produces 40+ daily. Camera was offline pre-close. Not a warranty item, but the new owner now knows to replace it before insurance renewal.

Fire lane vehicle-dwell pattern

Repeated vehicle_dwell events on the fire-lane tile between 11 PM and 2 AM for four of seven nights. Either delivery staging or resident abuse. Feeds the new house-rules post-close.

After-hours pool-gate tailgating

Tailgate events on the pool-gate tile 14 times in 7 days, mostly after 10 PM. Previous ownership had an unlit entry and no gate camera focus. Coverage gap discovered without a walkthrough.

Package-room loiter spike on Wednesdays

Mailroom Interior tile shows loiter event density 4x the daily average every Wednesday afternoon. Package delivery day. Useful for staffing the office window and for insurance-side package-theft mitigation.

Retention actually under 10 days

Cross-check Cyrano's own event log against what the DVR still has on disk. Gap indicates effective retention. On this property the DVR had 7 to 9 days, not the 30 days marketed in the seller memorandum.

Where the DVR tap fits in the buyer's standard workflow

Every item below is already on your acquisition playbook or your first-30-days post-close checklist. The HDMI tap is the one item we are adding, and it runs in parallel with everything else, not serially.

Multifamily acquisition: security camera addendum

  • LOI accepted, property taken off LoopNet / Crexi
  • Standard PCA scoped (roof, HVAC, electrical, plumbing, site)
  • Add DVR/NVR HDMI tap as a non-invasive pre-close item
  • Legal review of camera recording notices (state-specific)
  • 72 hour to 14 day pre-close tap to baseline event density
  • Closing day: relocate Cyrano unit to buyer's network
  • First 7 days post-close: filter tile.label for dead channels
  • First 14 days post-close: coverage-gap report for insurance
  • First 30 days post-close: lender-ready PDF of incident trend
  • Quarterly: portfolio-wide filter across all acquired properties

What the standard due diligence checklist misses, side by side

The top-ranking multifamily due diligence checklists (Meybohm, BiggerPockets, 100Units, SnapInspect, Marketspace Capital) are comparable on almost every line. Here is where the DVR/NVR line item sits in each.

FeatureStandard DD checklistWith HDMI tap
Roof, envelope, HVAC, electricalInspected by PCAInspected by PCA
Rent roll, T-12, estoppelsFinancial auditFinancial audit
Camera hardware count and placementCounted on walkthrough, not verified against recordingEvery active tile surfaces in log, dead tiles are visible by absence
Camera coverage gapsNot in scopeAbsence of tile.label in log is the gap
Effective recording retentionSeller memo claim, not verifiedMeasured as the oldest event Cyrano can cross-reference
Event-level incident history pre-closeOnly what seller discloses72 hour to 14 day baseline event log
Post-close time to first usable clip30 to 60 min per incident on DVR timelineUnder 2 min per incident on thumbnail filter
DVR admin credentials requiredYes, often unavailableNo, HDMI tap is credential-free
Effort to installn/aOne HDMI cable, one network cable, under 2 minutes

What a typical first-week tap looks like in the terminal

A portfolio of three recently-acquired Class C properties. Each line is one indexed event. This is the raw shape behind the thumbnail strip in the dashboard.

cyranoctl events --since 7d --portfolio acquisition-q2

What the first 30 days of data tells the new owner

Representative numbers from a recent three-property acquisition tap-on-close. All numbers are from the dashboard session logs, not a seller memorandum.

0/dayIndexed events per property
0 secMedian capture-to-index latency
0Max tiles per Cyrano unit
0 minHDMI tap install time

Recorder brands the overlay-mask library already covers

When you close on a property, you do not get to pick the brand in the closet. Cyrano ships overlay templates that already mask the clock, camera-name strip, and channel bug for the brands that dominate Class B and C multifamily office closets. One of them is already on the DVR you are about to inherit.

Hikvision DS-7xxxDahua XVR / NVRLorexAmcrestReolink NVRUniviewSwannNight OwlQ-SeeANNKEEZVIZBosch DIVARHoneywell PerformancePanasonic WJ-NX
Pre-close tap window
0h
Minimum to surface a pattern
Hardware cost per property
$0
One time, per unit
Monthly software
$0
Per property
Credentials required
0
HDMI is read-only
20

At one Class C multifamily property in Fort Worth, Cyrano caught 20 incidents including a break-in attempt in the first month. Customer renewed after 30 days.

Fort Worth, TX property deployment

Tap the DVR on the property you are buying

15 minute walkthrough. We plug into the HDMI of a live multifamily recorder and show you the first 24 hours of indexed events. No DVR password required.

Book a call

Frequently asked questions

I am underwriting a multifamily deal listed on LoopNet or Crexi. Why should the DVR matter at this stage?

Because the DVR tells you whether the seller has been operating the property or just letting it drift. If remote access is broken, if the hard drives are 80 percent full of overwritten data because retention never got set, if the channel map taped to the wall lists cameras that physically do not exist anymore, that is a signal about how every other back-of-house system has been treated. You do not need the DVR to be perfect to buy the deal. You do need to know what you are inheriting before you sign, because on day one after closing the only video evidence available for any slip-and-fall, dispute, or insurance claim is whatever that recorder was writing the day before you got the keys.

The seller refuses to share DVR credentials, or the property manager left and nobody has the password. Can Cyrano still read the footage?

Yes. Cyrano does not log into the DVR. It taps the HDMI output that the recorder sends to the wall monitor. That output is already rendering whatever the DVR is recording, tiled into a 4x4 or 5x5 multiview. Cyrano decodes each tile, blanks the DVR overlays (clock, camera-name strip, channel bug), classifies what it sees, and writes a nine-field event record with a 480x270 JPEG thumbnail to its own dashboard. You never open the DVR UI. You never type the admin password. You do not need SSH, RTSP, ONVIF, or any port forwarded. One HDMI cable and one network cable on the recorder already in the closet, under 2 minutes, and the new owner has a queryable event log.

What shows up on a typical Class C multifamily DVR when you plug in for the first time?

Across the deployments we have done on behalf of acquiring owners, the first 24 hours of the event log usually surfaces three categories of surprises. First, channels that are black or frozen because the camera died months ago and nobody noticed. Second, tiles with event classes nobody expected (vehicle_dwell in the fire lane, loiter at the side of the leasing office, tailgate into the mailroom at 2 AM), which is the pre-closing security posture seller was not obligated to disclose. Third, physical coverage holes that are only obvious once you see the tile layout, for example no tile facing the north dumpster or the pool fence. None of that is in the T-12, the rent roll, or the PCA. The indexed event log is how it enters the buyer's view.

My PCA (Property Condition Assessment) covers the roof, HVAC, and electrical. Does it cover the DVR?

Almost never. Standard ASTM E2018 guided PCAs for multifamily acquisition have a narrow electrical scope that stops at the panel, a roof and envelope scope, a mechanical scope for HVAC and domestic hot water, and a site scope. The office DVR is categorized as FF&E or sometimes as an owner-installed tenant improvement, which means it is not inspected unless you specifically scope it in, and most buyers do not. Neither Meybohm, BiggerPockets, 100Units, SnapInspect, nor Marketspace Capital include the DVR in their public multifamily due diligence checklists. That is the gap this guide fills.

What brand of DVR is actually in multifamily office closets?

Our field data from Class B and C multifamily deployments: Hikvision DS-7xxx dominates, then Dahua XVR and NVR, then Lorex, Amcrest, Reolink NVR, Uniview, Swann, Night Owl, Q-See, ANNKE, EZVIZ, Bosch DIVAR, Honeywell Performance, and Panasonic WJ-NX. Cyrano ships overlay mask templates for each of those brands so the detector ignores the DVR-rendered clock and channel-bug pixels that would otherwise flood the event log. You do not need to know which brand is in the closet at underwriting. You do need to know one of them is there, and that Cyrano will read whichever it turns out to be.

I am buying a 12-property portfolio. Do I need to visit each DVR to evaluate camera coverage?

Not after install. Every Cyrano unit emits the same nine-field event shape (tile.label, tile.index, tile.coords, property, layout_id, overlay_mask, event_class, iso8601_ts, latency_ms), so once each property is tapped, a portfolio-wide filter answers questions that used to require 12 separate DVR logins. For an acquisition we have done for a buyer integrating a portfolio, the first week of tapped data usually takes 20 to 30 minutes of filter review to produce a ranked punch-list of properties by event density, coverage gaps, and recorder health. That replaces roughly a week of site-by-site walkthroughs on the cameras alone.

How fast after closing is the indexed event log useful?

Median capture-to-delivery latency is 7 to 8 seconds on a 25 tile multiview. The dashboard has searchable events the moment the unit is plugged in. You do not wait for a historical re-index (Cyrano does not re-scan the DVR's existing disks, the DVR still owns those). You start building your new-owner event log from second one. The first week of events is usually enough to find the coverage gaps and dead channels; the first 30 days is usually enough to surface any chronic pattern (after-hours loitering in a specific breezeway, vehicle dwell in a fire lane) that informs capex and staffing decisions for the new ownership.

My lender wants a security plan as part of the loan package. Is the indexed event log enough?

It is a strong supplement to one. The exportable PDF and CSV from the Cyrano dashboard gives the lender a month-over-month incident trend, a coverage map (from tile.label and tile.coords), and a documented event-classification pipeline. Lenders do not usually ask for proprietary DVR exports because they know they are hard to produce and even harder to verify. A standardized dashboard export, with thumbnails and timestamps, is easier for the lender to audit than a raw DVR timeline. That is especially true for agency lenders (Fannie, Freddie) and insurance carriers writing GL and umbrella coverage at acquisition close.

Does plugging into the HDMI change anything the seller can see or complain about during the due diligence period?

No. The HDMI output on the DVR is a passive signal. Cyrano sits inline on that cable and forwards the video to the wall monitor; the guard or office staff sees the same tiled multiview they always saw. The DVR itself never receives any commands, never gets configured, and has no record that anything is tapped, because the HDMI out is a one-way signal. Seller counsel occasionally asks about this during a final walkthrough. The short answer we give: no data leaves the recorder, no settings change on the recorder, the recorder's own disks are untouched, and the HDMI cable is restored to its original routing if the buyer decides to remove the unit.

Can I use this during the inspection period, before closing, to de-risk the deal?

Yes, and some buyers do. We have run pre-close taps as short as 72 hours. The seller has to agree to the HDMI tap during the inspection window, which is an easier ask than a full security audit because nothing is being installed on the seller's DVR. The output is a 72-hour event log, which has been enough in at least one deployment to surface a specific after-hours pattern (a repeated vehicle-dwell in the fire lane) that the buyer used to renegotiate the insurance portion of the pro forma. Longer taps of 14 to 30 days are more common when the deal has a longer feasibility window.

What happens to the Cyrano device if I decide to trade the property five years later?

Two options. Leave it, which is what most multifamily owners do, because the next buyer inherits the same indexed event log and does not have to re-tap. Or unplug it and take it to the next acquisition, reseat the HDMI on the new DVR, and it picks up on the new property in under 2 minutes. The $450 upfront hardware cost is per-unit, one-time. Most operators treat it the same way they treat a smart thermostat or a keybox, it stays with the asset. But the device is portable, the subscription is per-unit, and nothing ties the hardware to a specific recorder brand, which is different from a ripped-and-replaced VMS that has to be written off on disposition.

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