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Property profile & analytics
OFF-MARKET
Estimated value
$725,000
Office buildings
510 15th St Austin, TX 78701-1512
Entity Owned
4-yr Hold
Free & Clear
Property ID
US82-4640405
Property summary
AI-generated overview
This exceptional 3,400-square-foot executive office building at 510 W 15th Street in Austin, Texas, presents a unique leasing opportunity. Located in Travis County, zip code 78701, this single-tenant property offers immediate occupancy. Built in 1961, the building is a one-story Class C structure and boasts ample parking with 11 spaces available. The entire 3,400 square feet is currently vacant, providing a blank canvas for a discerning tenant to customize to their specific needs. Its prime location in a thriving, affluent Austin neighborhood places it in close proximity to the vibrant downtown area, offering excellent accessibility and visibility. The property's single-tenant occupancy ensures privacy and control, making it ideal for a company seeking a dedicated and well-maintained workspace. This is a rare opportunity to secure a substantial, move-in ready office space in a highly desirable Austin location. The property's convenient location and ample parking make it an attractive option for employees and clients alike. Don't miss this chance to establish your business in this thriving area of Austin.
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1961
Construction
CONCRETE
Total area
3,323 SF
Lot
0.2 ac (8,555 SF)
APN
210020913
UPID
US82-4640405
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
-
Llc Gateway Jr Jh Attorney Law Firm
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
$698k
Blend (final)
Blend
$725k
Owner & transaction history
510 W 15th LLC · 4 yrs held
510 W 15th LLC
since 2022
2 recorded transactions
Zoning & alternative use
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Auto repair, garage
$475,000
+23.0%
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 Austin submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Austin 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
AUTO REPAIR, GARAGE
$475,000
Change: +23% · Conversion: Difficult
Blend value · Realmo final
$725k
Range $653k – $798k · ±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
$218 / 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 2022Property tax & assessments
Tax year 2022
Tax billed
$38,461
Tax year 2022
Assessed value
$5,302,707
Assessed 2023
Previous assessed
$1,947,450
+172.3% YoY
Effective rate
0.73%
On assessed value
Assessed land
$4,278,000
Assessed improvement
$1,024,707
Land market value
$4,278,000
Improvement market value
$1,024,707
Total market value
$5,302,707
Applied tax rate
2.0000
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 buildings
Use group
OFFICE BUILDING
Status
Off-Market
Year built
1961
Construction
CONCRETE
Heating
NONE
Stories
1
Total area
3,323 SF
Lot
0.2 ac (8,555 SF)
APN
210020913
UPID
US82-4640405
Jurisdiction
TRAVIS
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
AUTO REPAIR, GARAGE
Est. value
$475,000
AUTO REPAIR, GARAGE
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
1961
Construction
CONCRETE
Heating
NONE
Stories
1
Lot
0.2 ac
Current owner
From public records · entity-resolved
510 W 15th LLC
Entity
Free & Clear · 4 yrs held
Mailing address
1505 W 6TH ST, AUSTIN, TX 78703-5133
Ownership since
2022
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
2 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 5, 2022
—
510 W 15th LLC
15th & Nueces LLC
Special Warranty Deed
—
Apr 18, 2016
—
12th & Nueces INC
Texas Assn Of Bldrs Affiliated Wi
Warranty Deed
—
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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