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Property profile & analytics
OFF-MARKET Estimated value $505,000
Office buildings

405 4th St Renton, WA 98057-2541

1,246 SF 0.11 ac lot Built 1902
Individually Owned ~ Est. High Equity
Property ID
US90-1471571
Property profile
Verified
Property type Office buildings
Use group OFFICE BUILDING
Year built 1902
Construction WOOD
Total area 1,246 SF
Lot 0.11 ac (4,800 SF)
Zoning code R-14
APN 784080-0165
UPID US90-1471571
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
$540k
CAP Approach CAP
$360k
Comparable Approach Comparable
$327k
Blend (final) Blend
$505k
Owner & transaction history
Minh Tai Thi Nguyen
Minh Tai Thi Nguyen
since 2025
Last sale
$640,000
7 recorded transactions
2025
Price N/A
2025
$831,000
2021
$640,000
2018
$425,000
2018
$425,000
1990
Price N/A
1969
Price N/A
Zoning & alternative use
R-14 · Renton, WA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Zoning description

, Residential Design and Open Space Standards, applicable to the R-10 and R-14 Zones, in lieu of the design district standards of RMC 4-3-100 . (Ord. 5899, 11-19-2018) 14. Marijuana producers and processors shall be located entirely within a permanently enclosed structure with a roof. 15. In the CD and CO Zones, outdoor retail sales are limited to farmer’s m…

Zone name Residential 14 Dwelling Unit Per Acre
General category CIVIC_INSTITUTIONAL
Zone area 501.97 ac
Source Section 4-2-080
Top alternative use upside
Commercial (general) $630,000 +109.6%
Auto repair, garage $515,000 +70.4%
Retail stores $500,000 +66.1%
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