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Property profile & analytics
OFF-MARKET
Estimated value
$2,315,000
Office Spaces
4638 Loop 1604th W San Antonio, TX 78249-4381
Entity Owned
4-yr Hold
Free & Clear
Property ID
US82-2276345
Property summary
AI-generated overview
This exceptional Class A office building, constructed in 2019, offers 22,512 square feet of versatile space at 4638 N Loop 1604 W, San Antonio, TX 78249. Located in Bexar County, near the intersection of Lockhill Selma and Loop 1604, this single-story building features a minimum divisible space of 2,000 square feet and a maximum contiguous space of 4,000 square feet. Currently, 4,000 square feet is available for lease. The property sits on a 3-acre lot and is zoned C2. The building boasts a "warm vanilla shell" finish with stubbed-out plumbing, making it ideal for build-out to suit a variety of tenants, including medical practices and professional services firms. The property offers ample parking with a ratio of 3 spaces per 1000 square feet. Property taxes are $5 per square foot. While elevators are not present, the single-story design ensures easy accessibility. This is a multi-tenant building.
Property profile
Verified
Property type
Office Spaces
Use group
OFFICE (GENERAL)
Year built
2019
Total area
22,512 SF
Lot
4.3 ac (187,308 SF)
APN
17704-001-0070
UPID
US82-2276345
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
-
Alpha Diagnostic International Laboratory
-
Genemed Synthesis Inc Corporate Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$1.91M
Blend (final)
Blend
$2.32M
Owner & transaction history
ALPHA BIORESOURCES LLC · 6 yrs held
ALPHA BIORESOURCES LLC
since 2020
1 recorded transaction
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Neighborhood: shopping center
$2.8M
+70.1%
Auto repair, garage
$2.7M
+62.5%
Restaurant
$2.4M
+46.6%
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 San Antonio submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs San Antonio 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%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$1,645,000
Current use
NEIGHBORHOOD: SHOPPING CENTER
$2,800,000
Change: +70% · Conversion: Difficult
AUTO REPAIR, GARAGE
$2,675,000
Change: +63% · Conversion: Difficult
RESTAURANT
$2,415,000
Change: +47% · Conversion: Difficult
MEDICAL BUILDING
$1,545,000
Change: -6% · Conversion: Easy
OFFICE BUILDING
$1,495,000
Change: -9% · Conversion: Easy
Blend value · Realmo final
$2.32M
Range $2.08M – $2.55M · ±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
$103 / 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
$134,113
Tax year 2023
Assessed value
$5,839,460
Assessed 2023
Previous assessed
$5,839,460
+0.0% YoY
Effective rate
2.30%
On assessed value
Assessed land
$1,909,020
Assessed improvement
$3,930,440
Land market value
$1,909,020
Improvement market value
$3,930,440
Total market value
$5,839,460
Applied tax rate
6.0000
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
Office Spaces
Use group
OFFICE (GENERAL)
Status
Off-Market
Year built
2019
Heating
CENTRAL
Cooling
YES
Stories
1
Total area
22,512 SF
Lot
4.3 ac (187,308 SF)
APN
17704-001-0070
UPID
US82-2276345
Jurisdiction
BEXAR
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
COMMERCIAL (GENERAL) Current
Est. value
$1.6M
NEIGHBORHOOD: SHOPPING CENTER
Est. value
$2.8M
AUTO REPAIR, GARAGE
Est. value
$2.7M
RESTAURANT
Est. value
$2.4M
MEDICAL BUILDING
Est. value
$1.5M
OFFICE BUILDING
Est. value
$1.5M
COMMERCIAL (GENERAL) Current
NEIGHBORHOOD: SHOPPING CENTER
AUTO REPAIR, GARAGE
RESTAURANT
MEDICAL BUILDING
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
2019
Heating
CENTRAL
Cooling
Yes
Stories
1
Lot
4.3 ac
Current owner
From public records · entity-resolved
ALPHA BIORESOURCES LLC
Entity
Free & Clear · 6 yrs held
Mailing address
4638 N LOOP 1604TH W STE #107, SAN ANTONIO, TX 78249-4382
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2020
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
Jan 24, 2020
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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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