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Property profile & analytics
OFF-MARKET
Office buildings
675 Mariners Is Blvd Ste 107 San Mateo, CA 94404-1040
Entity Owned
5-yr Hold
Free & Clear
Property ID
US09-1352083
Property profile
Verified
Property type
Office buildings
Use group
PROFESSIONAL BUILDING
Lot
0.03 ac (1,521 SF)
Zoning code
C20001
APN
107-960-070
UPID
US09-1352083
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
by Request
Blend (final)
Blend
by Request
Owner & transaction history
675 Mariners Island LLC · 5 yrs held
675 Mariners Island LLC
since 2021
6 recorded transactions
Zoning & alternative use
C20001 · San Mateo, CA
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 San Mateo submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Mateo 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
CAP Approach
Comparable Approach
Alternative Use
Get a detailed, property-specific estimation — fast and free
Price per SF
Sale + rent benchmarks
Subject property
—
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 2024Property tax & assessments
Tax year 2024
Tax billed
$9,964
Tax year 2024
Assessed value
$506,188
Assessed 2024
Previous assessed
$506,188
+0.0% YoY
Effective rate
1.97%
On assessed value
Assessed land
$253,094
Assessed improvement
$253,094
Applied tax rate
12.0000
Comparables
6 recent transactions · within 1.5 miComparable in this city
6 recent transactions
Comparable in this City
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
PROFESSIONAL BUILDING
Status
Off-Market
Heating
NONE
Lot
0.03 ac (1,521 SF)
Zoning code
C20001
APN
107-960-070
UPID
US09-1352083
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
C20001 · San Mateo, CAZoning C20001 · permitted uses
C20001 · San Mateo, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Building & site characteristics
From public records
Heating
NONE
Lot
0.03 ac
Current owner
From public records · entity-resolved
675 Mariners Island LLC
Entity
Free & Clear · 5 yrs held
Mailing address
675 MARINERS IS BLVD STE #107, SAN MATEO, CA 94404-1040
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2021
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
Jul 26, 2021
—
675 Mariners Island LLC
Daniel L Emerson
Grant Deed
—
Jun 17, 2021
—
Daniel L Emerson
—
Deed
related
$308,500 · Comerica Bank
Sep 19, 2013
—
Daniel L Emerson
Taihei H Obayashi
Re-recorded Document
related
$355,000 · Wells Fargo Bank NA
Apr 16, 2010
$400,000
Emerson Family Trust
Obayashi 1992 Trust
Grant Deed
$350,000 · Obayashi 1992 Trust
Jun 22, 1992
—
Obayashi Trust
Obayashi,t H & M
Quit Claim Deed
related
—
—
—
Obayashi Trust
—
Deed Of Trust
related
$81,000 · Individual
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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