Back to Search
Property profile & analytics
OFF-MARKET
Estimated value
$790,000
Office buildings
521 1st Bch Blvd Saint Augustine, FL 32080-7935
Entity Owned
1-yr Hold
~
Est. High Equity
Property ID
US18-2782819
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1998
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Total area
1,408 SF
Lot
0.16 ac (7,035 SF)
Zoning code
BU-1
APN
169130 0000
UPID
US18-2782819
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
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$790k
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$790k
Owner & transaction history
Brn Holdings LLC · 1 yrs held
Brn Holdings LLC
since 2024
Last sale
$790,000
5 recorded transactions
Zoning & alternative use
BU-1 · Saint Augustine, FL
Permitted uses
Permitted uses
Allowed · conditional · prohibited
Top alternative use upside
Commercial (general)
$515,000
+68.8%
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 Saint Augustine submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Saint Augustine 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
$790,000
ML approach
$790,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$515,000
Change: +69% · Conversion: Easy
Blend value · Realmo final
$790k
Range $711k – $869k · ±10% · vs last sale $790k (Oct 1 2024)
Last sale anchor
$790k
Oct 1 2024
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
$561 / 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
$6,283
Tax year 2023
Assessed value
$607,966
Assessed 2023
Previous assessed
$607,966
+0.0% YoY
Effective rate
1.03%
On assessed value
Land market value
$492,450
Improvement market value
$115,516
Total market value
$607,966
Applied tax rate
551.0000
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
1998
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
CENTRAL
Stories
1
Total area
1,408 SF
Lot
0.16 ac (7,035 SF)
Zoning code
BU-1
APN
169130 0000
UPID
US18-2782819
Jurisdiction
ST JOHNS
Zoning & alternative use
BU-1 · Saint Augustine, FLZoning BU-1 · permitted uses
BU-1 · Saint Augustine, FL
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)
Est. value
$515,000
COMMERCIAL (GENERAL)
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
1998
Construction
MASONRY/CONCRETE MASONRY UNITS (CMUS)
Heating
FORCED AIR
Cooling
Yes
Stories
1
Lot
0.16 ac
Current owner
From public records · entity-resolved
Brn Holdings LLC
Entity
Mailing address
521 1ST BCH BLVD, ST AUGUSTINE, FL 32080-7935
Mailing matches property
Yes
Owner-occupied
Yes
Ownership since
2024
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
5 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Oct 1, 2024
$790,000
Brn Holdings LLC
Joanne H Dunsmuir
Warranty Deed
$671,500 · Barwick Banking Co
Jul 17, 2017
—
Joseph S Hirniak
Hirniak,joseph S
Quit Claim Deed
related
—
May 18, 2017
—
Joseph S Hirniak
Hirniak,joseph S
Quit Claim Deed
related
—
Mar 7, 2017
—
Joanne H Dunsmuir
Hirniak,joseph S
Quit Claim Deed
related
—
Apr 1, 1997
—
Joseph S Hirniak
Dunsmuir,joanne H
Quit Claim 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 521 1st Bch Blvd?
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.
