FOR LEASE
Office buildings
Property ID
US38-1239641
Entity Owned Owner of record is a legal entity (LLC / corporation).
1-yr Hold Held for 1 years.
Absentee Owner Owner mailing address differs from the property address.
Free & Clear No active or open recorded mortgage detected.
Entity Owned 
For Lease
1 / 2
Contact for pricing
221 Boston Post Rd E, Marlborough, MA 01752
View Listing
Ownership intelligence
Who controls the opportunity?
Resolved identity, portfolio, hold profile and investor signals. Included in the full report.
Owner contacts
Can we reach the decision maker?
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
What is owed, to whom, and when it comes due
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2024
What does the county charge?
$60k
Tax billed · 2024
Assessed value$3.38M
Assessed land$683k
Assessed improvement$2.70M
Effective rate1.77%
Value estimate
· Sep 2026$3.45M
$3.11M – $3.80M
AI approach$3.45M
Sales comparison$4.00M
NOI build-up
Gross scheduled income$136k
Vacancy & credit loss−$30k
Operating expenses−$26k
NOI · 440,700.00% cap applied$79k
Realmo valuation models over county records and 3 qualifying comparable sales.
Recently sold
What actually traded nearby?
$513/SF
ZIP average, outlier-cleaned · 41 recorded sales of this use type
Observed band · Q1–Q3$125 – $844
Qualifying comparables3
Cap rate analysis
How does the asset earn?
440,700.00%
$79k estimated NOI · market benchmarks for this use type
Price anchors at 6 / 6.5 / 7% — in the full report.
Zoning insight
No data for this sectionWhat can be built here?
No zoning code is on file for this parcel. Coverage grows with every catalog release.
JurisdictionMARLBOROUGH
Location intelligence
Which uses thrive at this corner?
Best fit: Law Firm
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Law Firm19.5
Realty agency18.7
Auto Parts Store12.0
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
✓ County assessor
✓ Recorded deeds · 4 transfers
✓ 3 qualifying comp sales
– Zoning catalog · not on file
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 13 properties nearbyRecent sales nearby
6 recorded sales in this ZIP, last 8 years
Address
Sale price
Sold
Size
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
Comparable nearby
Similar Nearby for Sale
Similar Nearby for Lease
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
Full NOI build-up · 6 steps
All 3 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional Plan · 30 reports
from $99/month
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Summary
1
Valuation conclusion
Included free
Estimated market value
$3.45M
Value range
$3.11M – $3.80M
±10% around blend
Estimated value / SF
$98 / SF
Confidence
Low
3 county-verified comps
Property data
88
Market benchmarks
100
Comparable evidence
30
Income certainty
100
$3.11M
blend $3.45M
$3.80M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
35,077 SF
Lot area
2.32 ac
Year built
1985
Stories
4
APN
MARL M:059 B:018 L:000
Assessed value · 2024
$3,381,000
Annual tax · 2024
$59,708
3
Income approach: direct capitalization
Partial preview
Estimated Stabilized NOI, derived from market rent, vacancy and expense benchmarks. Actual property income not reported.
Estimated market rent / SF
Potential gross income
Vacancy allowance
Effective gross income
Benchmark operating expenses
Stabilized NOI
Property tax · 2024
$59,708
Selected cap rate
4
Comparable sales
Partial preview
Comparables picked and weighted for this valuation. The Overview tab lists recorded sales nearby as our records hold them, unweighted and unselected, so the two do not have to agree.
Sales approach indication
$4.34M
Weighted, 3 comps · low confidence
Evidence
3 found · 3 selected
County-verified recorded sales
Comparable
Sale date
Sale price
$ / SF
23.0 mi away · 24,600 SF
23.1 mi away · 35,184 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$3.45M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)
Average
Subject delta
ZIP 41 sales
$513
-81%
Submarket 40 sales
$523
-81%
County 858 sales
$219
-55%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $98/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
Not available
Operating expenses
Modeled
Market rent
Market benchmark
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 3 sales
NOI build-up · 9 steps
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
from $99/month
Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.13M
Move the market yield to see immediate price impact.
Value / SF
$32
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$71k
$1.43M
$1.02M
$793k
$79k
$1.59M
$1.13M
$881k
$87k
$1.75M
$1.25M
$970k
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
3 found
Low confidence · county-verified
Closest comparable
$6.35M
22.4 mi · Dec 2025 · $158/SF
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Building & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
For Lease
Year built
1985
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
YES
Buildings
1
Stories
4
Units
21
Total area
35,077 SF
Lot
2.32 ac (101,059 SF)
APN
MARL M:059 B:018 L:000
UPID
US38-1239641
Jurisdiction
MARLBOROUGH
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Property tax & assessments
Tax year 2024
Tax billed
$59,708
Assessed value
$3,381,000
Assessed 2024
Previous assessed
$3,381,000
+0.0% YoY
Effective rate
1.77%
On assessed value
Assessed land
$683,400
Assessed improvement
$2,697,600
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release — check back, or open Location Intelligence for use analysis of this corner.
Owner Contacts
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Mortgages · part of Ownership Intelligence
See what the owner owes, and when it comes due.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
What opens after registration
Ownership report
Recorded loansLender, amount and origination for every instrument
Estimated maturityWhen the debt comes due and the refi window opens
Rates & liensRecorded or estimated rate, junior liens flagged
CollateralWhich holding secures each loan - this property marked
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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