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Property profile & analytics
OFF-MARKET
Estimated value
$860,000
Office Spaces
546 20th St, Gresham, OR 97030-2406
Trust Owned
18-yr Hold
~
Est. High Equity
Property ID
US71-1807419
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
1975
Total area
4,785 SF
Lot
0.82 ac (35,719 SF)
Zoning code
CMU
APN
1S3E04DA 00400
UPID
US71-1807419
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$862k
Blend (final)
Blend
$860k
Owner & transaction history
Robertson Trust · 18 yrs held
Robertson Trust
since 2008
7 recorded transactions
Zoning & alternative use
CMU · Gresham, OR
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$1.4M
+19.8%
Office building
$1.2M
+3.9%
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 Gresham submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Gresham 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
by Request
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,185,000
Current use
AUTO REPAIR, GARAGE
$1,420,000
Change: +20% · Conversion: Difficult
OFFICE BUILDING
$1,230,000
Change: +4% · Conversion: Easy
WAREHOUSE, STORAGE
$1,000,000
Change: -16% · Conversion: Difficult
Blend value · Realmo final
$860k
Range $774k – $946k · ±10%
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
$180 / 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
$3,635
Tax year 2023
Assessed value
$193,060
Assessed 2023
Previous assessed
$187,440
+3.0% YoY
Effective rate
1.88%
On assessed value
Land market value
$462,030
Improvement market value
$636,710
Total market value
$1,098,740
Applied tax rate
26.0000
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 Spaces
Use group
OFFICE (GENERAL)
Status
Off-Market
Year built
1975
Heating
NONE
Stories
1
Total area
4,785 SF
Lot
0.82 ac (35,719 SF)
Zoning code
CMU
APN
1S3E04DA 00400
UPID
US71-1807419
Jurisdiction
MULTNOMAH
Zoning & alternative use
CMU · Gresham, OR
Zoning CMU · permitted uses
CMU · Gresham, OR
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Gresham. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL) Current
Est. value
$1.2M
AUTO REPAIR, GARAGE
Est. value
$1.4M
OFFICE BUILDING
Est. value
$1.2M
WAREHOUSE, STORAGE
Est. value
$1.0M
COMMERCIAL (GENERAL) Current
AUTO REPAIR, GARAGE
OFFICE BUILDING
WAREHOUSE, STORAGE
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
1975
Heating
NONE
Stories
1
Lot
0.82 ac
Current owner
From public records · entity-resolved
Robertson Trust
Trust
Mailing address
PO BOX 2393, MARTINEZ, CA 94553-0239
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2008
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
17 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 20, 2025
—
Montessorl Charter School
—
Deed
related
$2,407,755 · Summit Bank
Jan 22, 2021
—
Robertson Trust
—
Deed
related
—
Jun 5, 2008
—
Robertson Trust
Robertson,eva G
Quit Claim Deed
related
—
Oct 25, 2006
$900,000
Eva G Robertson
Yost,dennis G
Warranty Deed
$425,000 · Dennis G Yost
Aug 10, 1999
$75,000
Gresham-barlow School Dist #12
Neal,dean E & Sharon E
Grant Deed
—
Jun 1, 1991
$195,000
Dean E Neal
Unknown
Grant Deed
—
—
—
Dean E Neal
—
Deed Of Trust
related
$75,000 · Vanden Bos & Chapman
—
—
Dean E Neal
—
Deed Of Trust
related
$800,000 · Owens Financial Group INC
—
—
Dean E Neal
—
Deed Of Trust
related
$425,000 · Owens Financial Group INC
—
—
Dean E Neal
—
Deed Of Trust
related
$30,000 · Individual
—
—
Dean E Neal
—
Deed Of Trust
related
$22,000 · Individual
—
—
Dean E Neal
—
Deed Of Trust
related
$45,000 · Prime Mortgage Security Corp
—
—
Robertson Trust
—
Loan Modification
related
—
—
—
Robertson Trust
—
Loan Modification
related
—
—
—
Dennis G Yost
—
Deed Of Trust
related
$250,000 · Bank Of Clark County
—
—
Dennis G Yost
—
Deed Of Trust
related
$26,975 · Oregon State
—
—
Robertson Trust
—
Loan Modification
related
—
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.
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