Individually Owned 
For Sale
1 / 42
$725,000
306 Main St, Wilmington, MA 01887
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Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1839
Construction
FRAME
Total area
1,716 SF
Lot
0.21 ac (9,148 SF)
APN
WILM M:0042 L:0000 P:0053
UPID
US38-1477067
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Dental Office
-
Dental Office
-
Dental Office
-
Dental Office
-
Dental Office
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$603k
Blend (final)
Blend
$315k
Owner & transaction history
since 2003
2 recorded transactions
Zoning & alternative use
Top alternative use upside
Auto repair, garage
$485,000
+28.6%
Neighborhood: shopping center
$475,000
+26.6%
Retail stores
$465,000
+23.2%
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
Similar Nearby for Sale
Similar Nearby for Lease
Recent comparable sales
Sale price & price/SF · Sale date & distance · Adjustments & confidence
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
17% off on annual
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 16 comparables with addresses
5 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Summary
1
Valuation conclusion
Included free
Estimated market value
$315k
Value range
$284k – $347k
±10% around blend
Estimated value / SF
$184 / SF
Confidence
High
16 county-verified comps
Property data
88
Market benchmarks
33
Comparable evidence
100
Income certainty
100
$284k
blend $315k
$347k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
1,716 SF
Lot area
0.21 ac
Year built
1839
Stories
2
APN
WILM M:0042 L:0000 P:0053
Assessed value
$460,900
Annual tax
$12,089
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
$12,089
Selected cap rate
4
Sales comparison
Partial preview
Sales approach indication
$598k
Weighted, 16 comps · high confidence
Evidence
16 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
5.2 mi away · 2,046 SF
5.8 mi away · 1,452 SF
8.9 mi away · 1,997 SF
9.8 mi away · 1,337 SF
10.7 mi away · 1,420 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$315k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
County 858 sales
$219
-16%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $184/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Auto Repair, Garage
Gross theoretical uplift
+29%
vs current-use indication
Neighborhood: Shopping Center
Retail Stores
Commercial (general)
Office Building · current use
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
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.
17% off on annual
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 16 sales
NOI build-up · 9 steps
Market rates by use type
PDF export
Analytics Standard · 5 reports
from $99/month
from $99/month
Overview
Selected market yield
7.51%
Selected cap rate for this office buildings
Derived from the Wilmington market rent, vacancy and expense benchmarks for this use type.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 7.51%
9.0%
NOI (est.)
$54k *
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$725k
Move the market yield to see immediate price impact.
Value / SF
$423
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
7.01%7.51%8.01%
$49k
$699k
$653k
$612k
$54k
$777k
$725k
$680k
$60k
$854k
$798k
$748k
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
16 found
High confidence · county-verified
Closest comparable
$468k
4.8 mi · Dec 2025 · $246/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$12,089
Tax year 2024
Assessed value
$460,900
Assessed 2024
Previous assessed
$419,300
+9.9% YoY
Effective rate
2.62%
On assessed value
Assessed land
$317,800
Assessed improvement
$143,100
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
For Sale
Year built
1839
Construction
FRAME
Heating
HOT WATER
Buildings
1
Stories
2
Units
1
Bathrooms
2
Total area
1,716 SF
Lot
0.21 ac (9,148 SF)
APN
WILM M:0042 L:0000 P:0053
UPID
US38-1477067
Jurisdiction
WILMINGTON
Metro division
CAMBRIDGE-NEWTON-FRAMINGHAM, MA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
No zoning code is on file for this parcel. Zoning coverage grows with every catalog release.
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Year built
1839
Construction
FRAME
Heating
HOT WATER
Stories
2
Buildings
1
Units
1
Bathrooms
2
Lot
0.21 ac
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.
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 · 5 · 30 · 100 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
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“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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