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Property profile & analytics
OFF-MARKET
Estimated value
$1,590,000
Office buildings
900 Arapahoe Ave Boulder, CO 80302-6018
Entity Owned
1-yr Hold
~
Est. High Equity
Property ID
US13-2507972
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1893
Construction
BRICK
Total area
1,560 SF
Lot
0.22 ac (9,496 SF)
Zoning code
9178
APN
1461-36-1-00-003
UPID
US13-2507972
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Implied cap rate, NOI & suggested price
Cap vs submarket · NOI estimate · 3 price anchors
Current use
Occupant on record · Public records
-
Barrett Weisz Law Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$1.70M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.38M
Blend (final)
Blend
$1.59M
Owner & transaction history
900 Arap LLC · 1 yrs held
900 Arap LLC
since 2025
Last sale
$1.6M
6 recorded transactions
Zoning & alternative use
9178 · Boulder, CO
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$1.2M
+35.0%
Cap rate
Implied · in-place · derived from last sale + estimated NOI
Implied Cap rate
#1
Implied · in-place · NOI ÷ last sale
In-place · derived from last sale + estimated NOI
Cap rate, NOI & submarket benchmark
Implied cap rate vs Boulder submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Boulder submarket · NOI estimate · typical band, median & reading
Refine your cap rate
8-question underwriting flow
1.
Property current status — Going-In vs Stabilized
2.
Price for denominator — asking / offer / market
3.
Leasing status & lease structure (NNN / Gross)
4.
Tenant risk profile & vacancy assumption
5.
Upload T12 / rent roll / OM (optional)
Refine in 60 seconds, get exact suggested price
T12 upload · Submarket benchmarks · Sensitivity grid
Suggested price · 3 cap rate anchors
Income approach @ 5% / 7% / 9% — aggressive / typical / conservative
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · Implied $/SF per anchor · Sensitivity grid
Suggested price at 5% / 7% / 9% cap
Aggressive / typical / conservative · implied $/SF · sensitivity
Value
AI, CAP & Alternative Use estimations · Realmo proprietary blendValue Estimations
Based on Realmo’s proprietary methodology
AI Approach
Method
Estimation
Statistic approach
$2,160,000
ML approach
$1,695,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,170,000
Change: +35% · Conversion: Easy
Blend value · Realmo final
$1.59M
Range $1.43M – $1.75M · ±10% · vs last sale $1.64M (Mar 3 2025)
Last sale anchor
$1.64M
Mar 3 2025
Realmo estimate · informational only.
These numbers are calculated by our models from public records and may not reflect actual market value.
Not an appraisal.
Verify with a licensed appraiser before transacting. Realmo accepts no liability for divergence from real-world outcomes.
View the full estimation — every method, every assumption
Confidence drivers & risk notes · Custom comparable set · Free for first 3 / day
Full estimation methodology
Every method · every assumption · confidence drivers
Price per SF
Sale + rent benchmarks
Subject property
$1,019 / SF
Submarket sale & rent benchmarks
Median sale $/SF · Asking & closed rent · Submarket vacancy
Submarket sale & rent benchmarks
Median sale $/SF · asking & closed rent · submarket vacancy
Property tax & assessments
Tax year 2023Property tax & assessments
Tax year 2023
Tax billed
$38,165
Tax year 2023
Assessed value
$450,306
Assessed 2023
Previous assessed
$431,520
+4.4% YoY
Effective rate
8.48%
On assessed value
Assessed land
$385,187
Assessed improvement
$65,119
Land market value
$1,380,600
Improvement market value
$233,400
Total market value
$1,614,000
Applied tax rate
10.0000
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
Recent comparable sales
Sale price & $/SF · sale date & distance · adjustments
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1893
Construction
BRICK
Heating
YES
Cooling
AC.PACKAGE
Stories
2
Total area
1,560 SF
Lot
0.22 ac (9,496 SF)
Zoning code
9178
APN
1461-36-1-00-003
UPID
US13-2507972
Jurisdiction
BOULDER
Zoning & alternative use
9178 · Boulder, CO
Zoning 9178 · permitted uses
9178 · Boulder, CO
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Boulder. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL)
Est. value
$1.2M
COMMERCIAL (GENERAL)
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1893
Construction
BRICK
Heating
YES
Cooling
Yes
Stories
2
Lot
0.22 ac
Current owner
From public records · entity-resolved
900 Arap LLC
Entity
Mailing address
900 ARAPAHOE AVE, BOULDER, CO 80302-6018
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2025
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
6 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 29, 2025
—
930 Amp LLC
—
Deed
related
$666,000 · United States Small Business Admin
Apr 28, 2025
—
900 Arap LLC
—
Deed
related
$666,000 · Colorado Lending Source Ltd
Mar 3, 2025
$1,640,000
900 Arap LLC
900 Arapahoe LLC
Special Warranty Deed
$807,650 · Anb Bank
Jan 10, 2008
$915,000
900 Arapahoe LLC
Emergency Fam Assistance Assn
Grant Deed
—
—
—
900 Arapahoe LLC
—
Deed Of Trust
related
$600,000 · Colorado Capital Bank
—
—
900 Arapahoe LLC
—
Deed Of Trust
related
$647,000 · Bank Of The West
Coming soon
Costs & Benchmarks
Operating expenses, capex projections, utility benchmarks, and submarket comparables — all in one view.
Coming soon
Risks
Flood, climate, environmental, title, and tenant-concentration risk — surfaced with mitigations and source citations.
Try Rey
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