FOR LEASE
Office buildings
Property ID
US09-1926811
Individually Owned Owner of record is an individual.
1-yr Hold Held for 1 years.
Absentee Owner Owner mailing address differs from the property address.
~
Est. High Equity Modeled equity is high. Estimate, not a fact.
Individually Owned 
For Lease
1 / 5
$37,500,000
1800 Gateway Dr, San Mateo, CA 94404
View Listing
Property summary
AI-generated overview
The property is an office space totaling 4,550 square feet, located on Gateway Drive in Foster City, California. It is configured and suitable for office use.
Ownership intelligence
Who controls the opportunity?
Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. In the full report.
Owner contacts
Can we reach the decision maker?
Skip-traced phones and e-mails of the owner. Included with the full report.
Mortgages
What is owed, to whom, and when it comes due
Recorded lenders, amounts and estimated maturities of the owner's loan book — in the full report.
Property tax · 2024
What does the county charge?
$291k
Tax billed · 2024
Assessed value$25.18M
Assessed land$9.63M
Assessed improvement$15.55M
Effective rate1.16%
Value estimate
· Sep 2026$37.50M
$33.75M – $41.25M
AI approach$37.50M
CAP approach$23.41M
Submarket $/SF estimate$35.41M
Realmo valuation models over county records and 7 qualifying comparable sales.
Recently sold
What actually traded nearby?
$652/SF
Submarket average, outlier-cleaned · 36 recorded sales of this use type
Observed band · Q1–Q3$338 – $900
Qualifying comparables7
Cap rate analysis
How does the asset earn?
No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.
Zoning insight
What can be built here?
E10000
JurisdictionSAN MATEO
Location intelligence
Which uses thrive at this corner?
Best fit: Auto Repair Shop
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Auto Repair Shop22.7
Auto Parts Store20.9
Clothing Store15.6
Demand index: how under-served this business type is around this point — modeled from the LocInt grid (area demand vs. what already operates, adjusted by real visit traffic). Higher means stronger unmet demand.
Location
✓ County assessor
✓ Recorded deeds · 9 transfers
✓ 7 qualifying comp sales
✓ Zoning catalog
Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.
Comparables
6 recorded sales · 12 properties nearbyRecent sales nearby
6 recorded sales in this ZIP, last 8 years
Address
Sale price
Sold
Size
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
Comparable nearby
Similar in This City for Sale
Similar Nearby for Lease
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks.A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 7 comparables with addresses
2 alternative uses screened
Sensitivity value band
Source audit · 6 inputs
PDF export
Professional Plan · 30 reports
from $99/month
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Summary
1
Valuation conclusion
Included free
Estimated market value
$37.50M
Value range
$33.75M – $41.25M
±10% around blend
Estimated value / SF
$511 / SF
Confidence
High
7 county-verified comps
Property data
100
Market benchmarks
67
Comparable sales
70
$33.75M
blend $37.50M
$41.25M
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
- GBA
- 73,429 SF
- Lot area
- 2.05 ac
- Year built
- 1989
- Stories
- 3
- APN
- 035-443-030
- Zoning
- E10000
- Assessed value · 2024
- $25,175,301
- Annual tax · 2024
- $291,079
3
Income approach: direct capitalization
Partial preview
Income approach indication
$23.41M
Direct capitalization · @ 6.5% CAP return
@ 6% CAP return
$25.37M
@ 6.5% CAP return
$23.41M
@ 7% CAP return
$21.74M
4
Comparable sales
Partial preview
Comparables picked and weighted for this valuation. The Overview tab lists recorded sales nearby as our records hold them, unweighted and unselected, so the two do not have to agree.
Sales approach indication
$7.62M
Weighted, 7 comps · high confidence
Evidence
7 found · 6 selected
County-verified recorded sales
Comparable
Sale date
Sale price
$ / SF
5.7 mi away · 56,508 SF
11.6 mi away · 73,966 SF
12.6 mi away · 60,028 SF
16.9 mi away · 63,000 SF
17.3 mi away · 59,300 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$37.50M
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)
Average
Subject delta
Submarket 36 sales
$652
-22%
County 168 sales
$641
-20%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $511/SF.
Delta below average reads as headroom.
Source: Realmo CRE sales derivatives (county records).
7
Alternative use screening
Partial preview
Top alternative use
Restaurant
Gross theoretical uplift
+4%
vs current use, $47.88M
- Office Building · current use
- Neighborhood: Shopping Center
Values shown before conversion costs, entitlement costs, capital expenditures and stabilization risk.
8
Methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Modeled
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: income and sales evidence cover the value conclusion.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable sales, saved work and exports.
9-scenario matrix
Comparable sales · 7
Market rates by use type
PDF export
Professional Plan · 30 reports
from $99/month
from $99/month
Overview
Implied cap rate
4.10%
Implied, in-place cap rate for this office buildings
Estimated NOI ÷ last recorded sale. Refine with your own numbers in the full report.
Lower yield / higher price
Higher yield / lower price
5.0%
This property · 4.10%
9.0%
NOI (est.)
$2.63M *
Last sale · Sep 2024
$37.50M
* derived from a real price signal at a 7% cap
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$64.02M
Move the market yield to see immediate price impact.
Value / SF
$872
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
3.60%4.10%4.60%
$2.36M
$65.62M
$57.62M
$51.36M
$2.63M
$72.92M
$64.02M
$57.07M
$2.89M
$80.21M
$70.43M
$62.77M
NOI sensitivity ±10% across the selected-rate band (±0.5 pp) — derivation of the NOI above.
Comparable sales
Partial preview
Qualifying comparables
7 found
High confidence · county-verified
Closest comparable
$297k
3.4 mi · Dec 2025 · $4/SF
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Building & lot
Public records
Property type
Office buildings
Use group
OFFICE BUILDING (MULTI-STORY)
Status
For Lease
Year built
1989
Heating
NONE
Stories
3
Total area
73,429 SF
Lot
2.05 ac (89,206 SF)
Zoning code
E10000
APN
035-443-030
UPID
US09-1926811
Jurisdiction
SAN MATEO
Metro division
SAN FRANCISCO-SAN MATEO-REDWOOD CITY, CA METROPOLITAN DIVISION
Property tax & assessments
Tax year 2024
Tax billed
$291,079
Assessed value
$25,175,301
Assessed 2024
Previous assessed
$25,175,301
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$9,628,372
Assessed improvement
$15,546,929
Applied tax rate
12.0000
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
Jurisdiction
San Mateo, CA
Zoning code
E10000
Codes and permitted uses for this address
Registration is required before the official district profile is shown.
Owner Contacts
Phones and e-mails of the people behind this property's owner, traced from licensed contact data.
Owner phones and e-mails come with the full report for this property - traced from licensed contact data, with verification and Do-Not-Call flags on every number.
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and any signals we can model, to help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties we can resolve, with estimated value
Deal signalsSell-side activity where we detect it
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Mortgages · part of Ownership Intelligence
See what the owner owes, and when it comes due.
The mortgage data is behind the paid report: recorded loans of the owner - lender, amount, rate and the estimated maturity - as part of the Ownership Intelligence workspace.
What opens after registration
Ownership report
Recorded loansLender, amount and origination for every instrument
Estimated maturityWhen the debt comes due and the refi window opens
Rates & liensRecorded or estimated rate, junior liens flagged
CollateralWhich holding secures each loan - this property marked
Private report access
See the ownership record for this address.
Registration is required before any owner information is shown.
One complete report on every paid plan · 30 · 300 reports per month.
Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
Try Rey
Ask anything about this address in plain English.
“Is 15.6% cap rate sustainable?” · “Best tenant mix for BU1?” · “What’s the redev upside?”
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- Cap Rate Calculation
- Location Insight
- Alternative use
- Local Zoning Insight
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