Real EstateFinance
Lease abstraction. Cited, not just summarized.
Turns a full commercial lease file or rent roll into a clean, cited abstract — tenant terms, escalations, and options extracted automatically, every field linked back to the exact lease page it came from. Built for owners and asset managers abstracting dozens of leases a quarter.
20 cited fields per lease. Built on Sphere AI Foundry.
lease_abstraction — suite #304, Meridian PlazaLIVE
00:00Ingest → base lease + 1st & 2nd amendments, 96 pagesread
00:05Rent schedule → base rent + 3 scheduled steps builtpassed
00:09Escalation clause → CPI-linked, cap 4%, no floor statedflagged
00:13Renewal option → one 5-yr option, 180-day noticepassed
00:15Abstract compiled → 20 fields, 1 finding for reviewsealed
abstract time 9sfields cited 20/20human sign-off required
Organizations around the world trust us
Built on Sphere AI Foundry·ARGUS & MRI compatible output·21 years, 300+ clients
Manual abstraction doesn't scale with a growing portfolio
Abstracting one commercial lease means a lease administrator reading the base lease plus every amendment, tracing rent steps and escalation language across dozens of pages, and manually building the tenant record. At a handful of leases a year that's manageable. Across a portfolio being acquired, refinanced, or re-underwritten, it's the bottleneck between due diligence and close.
94%
faster first-pass abstract vs. a manual read
20
fields extracted & cited per lease
100%
of abstract fields traceable to a source page
Lease file in, cited abstract out
Four steps, every one logged and citable back to the source lease.
01
Ingest
Reads the full lease file, not just the base document
Base lease, every amendment in sequence, letters of intent, and estoppel certificates — read directly from your document repository or lease management platform. No separate upload step.
Source document
Meridian Plaza, Suite 304 — base lease + 2 amendments
02
Extract lease terms
Every material term pulled into a structured abstract
Tenant name, premises, term dates, base rent, rent steps, escalations, CAM and tax pass-throughs, security deposit, and exclusivity or co-tenancy language — extracted against a fixed abstract template, not a generic summary.
Example query
"What's the escalation mechanism and is there a cap?"
03
Cite every field
No abstract field without a citation
Each rent figure, date, option, and clause links back to the exact page and section of the lease or amendment it came from — the citation travels with the field, not as a separate lookup.
Cited finding
Escalation cap of 4% CPI with no stated floor.
cited to 2nd Amendment, §4(b)04
Reconcile & route
One reconciled abstract, one flagged-terms list
The agent returns a complete abstract reconciled against the rent roll line for that suite, with any conflicting or missing terms flagged for lease administrator sign-off before it's loaded into your systems.
Reconciliation
Matches rent rollFlagged for review ✓Conflict found
20 fields, every one cited
What the agent extracts from every lease file it abstracts.
Tenant, premises & suite identification
Lease commencement & expiration dates
Base rent & scheduled rent steps
Escalation clause type, rate & cap
CAM, tax & insurance pass-throughs
Renewal & expansion options
Termination & co-tenancy rights
Security deposit & letter of credit terms
Amendment-by-amendment change log
Rent roll reconciliation & flagged variances
Typical inputs
What the agent reads, and what it connects to.
Documents
- Base lease (office, retail, or industrial) and every amendment in sequence
- Letters of intent and lease abstracts already on file, for reconciliation
- Estoppel certificates and subordination, non-disturbance & attornment (SNDA) agreements
- Current rent roll export for the property
- CAM and operating expense reconciliation statements
Systems
- Property management system (MRI, Yardi, or equivalent)
- Lease administration or lease abstraction platform
- Document repository or deal room
- ARGUS or other portfolio valuation software
Is this the right fit?
Built for portfolio volume — not a one-off lease read.
✓ Works best for
- Owners and asset managers abstracting 20+ leases a quarter
- Acquisition due diligence on a multi-tenant portfolio
- Teams standardizing on a fixed lease abstract template
Too small for
- A single lease renewal a property manager can read end to end faster than configuring the abstraction
- Replacing legal review of a lease before execution
- Highly non-standard ground leases without a fixed abstract format
Grounded in the lease document, not a black box
Compliance-first, the same standard every Sphere agent is held to.
The agent requires the full lease file, including every amendment in sequence, before it will return a completed abstract, and every abstract sits between your lease administration intake and the property management or accounting system — never past it. A lease administrator confirms every abstract before it's loaded as a system-of-record entry.
Flagged terms reference the specific amendment and section they come from, so a reviewer can resolve a conflict without re-reading the whole file — see how the same audit-trail standard applies across regulated deployments in Governed AI for Real Estate Portfolios and Private LLM Deployment for Commercial Real Estate.
Prerequisites full lease file
Base lease and every amendment in sequence required before a completed abstract is returned.
Human review required
A lease administrator confirms every abstract before it's loaded into a property management or accounting system.
Regulatory grounding lease-cited
Every rent figure, date, and clause references the exact lease or amendment section it came from.
Foundation Sphere AI Foundry
Access controls and audit trail configured here carry forward to every other agent you deploy.
Frequently asked
Does the Rent Roll & Lease Abstraction Agent replace our lease administration team?
No. It replaces the manual first pass of reading a lease file and building the abstract line by line. A lease administrator still reviews and signs off on every abstract before it's loaded into the property management or accounting system.
What kinds of leases can the agent abstract?
Office, retail, and industrial leases, including base leases, amendments, first amendments through Nth amendments, letters of intent, and estoppel certificates. Ground leases and other specialty formats can be added during onboarding.
How does it integrate with our property management or accounting system?
It reads lease files directly from your document repository or lease management platform and can push the finished abstract into your property management or accounting system as a structured record. Integration scope is confirmed during deployment planning.
Is every field in the abstract traceable back to the lease?
Yes. Every rent step, escalation, option, and clause in the abstract cites the specific page and section of the lease or amendment it was pulled from — there is no field without a citation back to the source document.
How is this different from a generic document AI tool?
It is built specifically around the fields a commercial lease abstract and rent roll reconciliation need, not a general-purpose summarizer. It runs on Sphere AI Foundry, so the access controls and audit trail configured here carry forward to other agents you deploy.
Hear from
our clientsHear from our clients
Lee Ebreo
VP of Engineering at Credit Ninja
These things would not have been achievable if we did not build our own in-house system and if we did not partner with Sphere to help us achieve our goals.
Selah Ben-Haim
VP of Engineering at Prominence Advisors
Our experience with Sphere and their team has been and continues to be fantastic. We keep throwing new projects at them, and they keep knocking them out of the park (including the rescue of a project that was previously bungled by another vendor).
Ben Crawford
Senior Product Manager at Enova Financial
I would expect to be delighted. It's been a really positive experience, working with Sphere, and I would expect you to have the same.
Mark Friedgan
CEO at CreditNinja
Sphere consistently prioritizes the needs of their clients, demonstrating both agility and teamwork. As an offshore team, they have been an integral part of our organization and we plan to continue growing with them.
René Pfitzner
Co-Founder at Experify
Sphere provided excellent full-stack development manpower to augment our team and help push our product forward. They are easy to work with, tech-savvy and proactive.
Bruce Burdick
Chief Information Officer at Integra Credit
We've been working with Sphere and its excellent consultants since our founding. I've found that they are true partners in the success of our business.
Jemal Swoboda
CEO at Dabble
The resources and developers that Sphere Software provides are skilled and have the required technical expertise, but more importantly, they have helped us build a culture of excellence within our team.
Arthur Tretyak
Founder and CEO at IntegraCredit
With Sphere, we were able to migrate in half the time it would take to train an additional FTE… and for a fraction of the cost. Our experience with Sphere has been exceptional.
Lee Ebreo
VP of Engineering at Credit Ninja
These things would not have been achievable if we did not build our own in-house system and if we did not partner with Sphere to help us achieve our goals.
Selah Ben-Haim
VP of Engineering at Prominence Advisors
Our experience with Sphere and their team has been and continues to be fantastic. We keep throwing new projects at them, and they keep knocking them out of the park (including the rescue of a project that was previously bungled by another vendor).
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Start here
See it on your own lease files
Bring three real lease files to the demo. We'll show the abstract output live — extracted terms, citations, and the rent roll reconciliation, on your own documents.
Looking for a different workflow? Browse the full Agent Catalog.
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