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Property profile & analytics
OFF-MARKET
Estimated value
$11,460,000
Office Spaces
1000 1st S Ave Seattle, WA 98134-1230
Individually Owned
19-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US90-1835672
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
1910
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
75,600 SF
Lot
0.28 ac (12,013 SF)
Zoning code
PSM-85-120
APN
766620-6676
UPID
US90-1835672
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
-
Diamond Parking Service Parking Lot & Garage
-
Tesla Destination Charger Electric Vehicle Charging Station
-
Madison Tower Residences Real Estate Agency
-
Mediation Training Institute Mediation Service
-
LIT Immersive Events and Entertainment Hotel & Motel Resort
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$15.36M
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$11.46M
Owner & transaction history
Keith D Grinstein · 19 yrs held
Keith D Grinstein
since 2007
4 recorded transactions
Zoning & alternative use
PSM-85-120 · Seattle, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
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 Seattle submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Seattle 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%
$16,630,000
6.5%
$15,355,000
7%
$14,255,000
Blend value · Realmo final
$11.46M
Range $10.31M – $12.61M · ±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
$152 / 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 2022Property tax & assessments
Tax year 2022
Tax billed
$109,957
Tax year 2022
Assessed value
$13,262,500
Assessed 2022
Previous assessed
$13,262,500
+0.0% YoY
Effective rate
0.83%
On assessed value
Assessed land
$5,165,500
Assessed improvement
$8,097,000
Land market value
$5,165,500
Improvement market value
$8,097,000
Total market value
$13,262,500
Applied tax rate
11.0000
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
1910
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HEAT PUMP
Stories
6
Total area
75,600 SF
Lot
0.28 ac (12,013 SF)
Zoning code
PSM-85-120
APN
766620-6676
UPID
US90-1835672
Jurisdiction
KING
Metro division
SEATTLE-BELLEVUE-EVERETT, WA METROPOLITAN DIVISION
Zoning & alternative use
PSM-85-120 · Seattle, WA
Zoning PSM-85-120 · permitted uses
PSM-85-120 · Seattle, WA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Seattle. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Year built
1910
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
HEAT PUMP
Stories
6
Lot
0.28 ac
Current owner
From public records · entity-resolved
Keith D Grinstein
Individual
Mailing address
270 S HANFORD ST S STE #100, SEATTLE, WA 98134-1838
Mailing matches property
Different — outreach signal
Owner-occupied
No
Ownership since
2007
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
4 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Feb 9, 2007
$4,500,000
Keith D Grinstein
Residence At Hotel 1000 LLC
Warranty Deed
$3,400,000 · Commerce Bank Of Washington
Dec 1, 2006
$8,455,000
1000 1st Avenue South
Palmer Court Properties INC
Grant Deed
—
Jul 17, 1998
$2,649,000
Palmer Court Properties INC
Palmer Court Construction
Grant Deed
related
—
Oct 30, 1996
$1,850,000
Palmer Court Corp
Izen,deborah
Grant Deed
$1,350,000 · First Mutual Savings Bank
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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