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Property profile & analytics
OFF-MARKET
Estimated value
$78,405,000
Office buildings
901 Mariners Is Blvd San Mateo, CA 94404-1592
Entity Owned
5-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US09-2278799
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Lot
2.83 ac (123,120 SF)
Zoning code
E10000
APN
035-452-040
UPID
US09-2278799
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
-
San Mateo Bay Center's Tenant® Portal General Contractor
-
Davis Parnters Property Management Company
-
Storm8 (Bike/Boat/Book/etc) Store Corporate Office
-
Redwood Financial Inc Loan Service Bank
-
Fund Mojo Financial Advisor
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$78.41M
Owner & transaction history
San Mateo Bay Center 1 LLC · 5 yrs held
San Mateo Bay Center 1 LLC
since 2021
Last sale
$77.3M
6 recorded transactions
Zoning & alternative use
E10000 · 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
Method
Estimation
Statistic approach
$80,615,000
ML approach
by Request
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$78.41M
Range $70.56M – $86.25M · ±10% · vs last sale $77.30M (Apr 14 2021)
Last sale anchor
$77.30M
Apr 14 2021
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
—
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
$492,505
Tax year 2024
Assessed value
$43,148,378
Assessed 2024
Previous assessed
$43,148,378
+0.0% YoY
Effective rate
1.14%
On assessed value
Assessed land
$25,522,052
Assessed improvement
$17,626,326
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
OFFICE BUILDING (MULTI-STORY)
Status
Off-Market
Heating
NONE
Lot
2.83 ac (123,120 SF)
Zoning code
E10000
APN
035-452-040
UPID
US09-2278799
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Zoning & alternative use
E10000 · San Mateo, CA
Zoning E10000 · permitted uses
E10000 · San Mateo, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
San Mateo. Always verify with local authorities before improvements.
Building & site characteristics
From public records
Heating
NONE
Lot
2.83 ac
Current owner
From public records · entity-resolved
San Mateo Bay Center 1 LLC
Entity
Mailing address
260 FRANKLIN ST STE #1920, BOSTON, MA 02110-3115
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
Apr 14, 2021
$77,300,000
San Mateo Bay Center 1 LLC
Smbc Mariners Island LLC
Grant Deed
—
Jan 18, 2019
—
Smbc Mariners Island LLC
—
Loan Modification
related
$102,000,000 · Bank Of America
Sep 16, 2016
$124,881,500
Smbc Mariners Island LLC
Rp Smbc Owner LLC
Grant Deed
$88,500,000 · Bank Of America
Jun 20, 2001
—
Spk-san Mateo Baycenter LLC
Spieker Propertiles LP
Grant Deed
related
—
Jan 13, 1998
—
Properties LP Spieker
Spieker-singleton #68 LP
Quit Claim Deed
related
—
Mar 10, 1995
—
Spieker-singleton 68 LP
—
Deed Of Trust
related
$11,305,953 · State Farm Life Insurance Co
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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