Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$19,155,000
Medical Office Space
27303 Sleepy Holw S Ave Hayward, CA 94545-4203
Individually Owned
51-yr Hold
Free & Clear
Property ID
US09-6659846
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
1983
Construction
STEEL FRAME
Total area
69,136 SF
Lot
4.89 ac (213,100 SF)
APN
455-26-24-3
UPID
US09-6659846
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
-
KAISER Medical Clinic
-
Andre Ramos, MD Pediatrician Medical Clinic
-
Aneema Van Groenou Physician
-
Dr. Kristin Cochran Physician
-
Dr. Harry Duh, MD Pediatrician Medical Clinic
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$18.22M
Comparable Approach
Comparable
$23.84M
Blend (final)
Blend
$19.16M
Owner & transaction history
Kaiser Foundation Hospitals · 51 yrs held
Kaiser Foundation Hospitals
since 1975
1 recorded transaction
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$29.4M
+59.3%
Auto repair, garage
$25.6M
+38.7%
Industrial (general)
$20.9M
+13.6%
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 Hayward submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Hayward 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%
$19,735,000
6.5%
$18,220,000
7%
$16,915,000
Alternative Use
Use
Estimation
MEDICAL BUILDING
$18,435,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$29,370,000
Change: +59% · Conversion: Difficult
AUTO REPAIR, GARAGE
$25,565,000
Change: +39% · Conversion: Difficult
INDUSTRIAL (GENERAL)
$20,935,000
Change: +14% · Conversion: Difficult
RETAIL STORES
$20,035,000
Change: +9% · Conversion: Difficult
COMMERCIAL (GENERAL)
$19,010,000
Change: +3% · Conversion: Easy
OFFICE BUILDING
$17,870,000
Change: -3% · Conversion: Easy
Blend value · Realmo final
$19.16M
Range $17.24M – $21.07M · ±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
$277 / 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 2023Property tax & assessments
Tax year 2023
Tax billed
$12,953
Tax year 2023
Assessed value
$28,321,919
Assessed 2024
Previous assessed
$27,818,330
+1.8% YoY
Effective rate
0.05%
On assessed value
Assessed land
$1,191,114
Assessed improvement
$27,130,805
Applied tax rate
25.0000
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
Medical Office Space
Use group
MEDICAL BUILDING
Status
Off-Market
Year built
1983
Construction
STEEL FRAME
Heating
NONE
Buildings
2
Stories
2
Rooms
124
Bathrooms
19
Total area
69,136 SF
Lot
4.89 ac (213,100 SF)
APN
455-26-24-3
UPID
US09-6659846
Jurisdiction
ALAMEDA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
Zoning · permitted uses
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Alternative use value scenarios
Repositioning upside vs current use
MEDICAL BUILDING Current
Est. value
$18.4M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$29.4M
AUTO REPAIR, GARAGE
Est. value
$25.6M
INDUSTRIAL (GENERAL)
Est. value
$20.9M
RETAIL STORES
Est. value
$20.0M
COMMERCIAL (GENERAL)
Est. value
$19.0M
OFFICE BUILDING
Est. value
$17.9M
MEDICAL BUILDING Current
NEIGHBORHOOD: SHOPPING CENTER
AUTO REPAIR, GARAGE
INDUSTRIAL (GENERAL)
RETAIL STORES
COMMERCIAL (GENERAL)
OFFICE BUILDING
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Alternative use deep dive
Conversion cost · permit path · stabilized NOI per option
Building & site characteristics
From public records
Year built
1983
Construction
STEEL FRAME
Heating
NONE
Stories
2
Buildings
2
Rooms
124
Bathrooms
19
Lot
4.89 ac
Current owner
From public records · entity-resolved
Kaiser Foundation Hospitals
Individual
Free & Clear · 51 yrs held
Mailing address
1 KAISER PLZ FL 15TH, OAKLAND, CA 94612-3604
Ownership since
1975
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
1 recorded event · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Jun 10, 1975
—
Kaiser Foundation Hospitals
—
Grant Deed
related
—
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.
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?”
You own 27303 Sleepy Holw S Ave?
List it free. Reach 20,000 daily buyers.
We’ve already pulled the facts. Confirm photos + price and you’re live in 2 minutes.
List this address →
Full reports are paid
Unlock the full Property Analytics report
Start free for 7 days — no card required. Full owner contacts, all 4 valuations with methodology, refine flow, comparable adjustments, foot-traffic deep dive, export to PDF / CSV.
