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Property profile & analytics
FOR LEASE
Medical Office Space
520 La Gonda Way Danville, CA 94526
Entity Owned
15-yr Hold
~
Est. High Equity
Property ID
US09-0434122
For Lease
1 / 2
$1,720,000
520 La Gonda Way, Danville, CA 94526
View Listing →
Property profile
Verified
Property type
Medical Office Space
Use group
MEDICAL BUILDING
Year built
1976
Total area
7,920 SF
Lot
0.74 ac (32,278 SF)
Zoning code
R1
APN
200-052-004-5
UPID
US09-0434122
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
-
Koenen Mark R DDS Dental Office
-
John P. O'Grady, DMD Dental Office
-
Wong Annie L DDS Dental Office
-
Dentist, Dental Clinic Danville Dentistry, Alamo & Blackhawk | JOHN OGRADY DMD Dental Office
-
TriValleyImplants Dental Office
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
$1.81M
Comparable Approach
Comparable
$1.10M
Blend (final)
Blend
$1.72M
Owner & transaction history
1700 Investors LLC · 15 yrs held
1700 Investors LLC
since 2011
7 recorded transactions
Zoning & alternative use
R1 · Danville, CA
Permitted uses
Permitted uses
Allowed · conditional · prohibited
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 Danville submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Danville 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%
$1,955,000
6.5%
$1,805,000
7%
$1,675,000
Alternative Use
Use
Estimation
COMMERCIAL (GENERAL)
$2,755,000
Change: -4% · Conversion: Easy
OFFICE BUILDING
$2,725,000
Change: -5% · Conversion: Easy
Blend value · Realmo final
$1.72M
Range $1.55M – $1.89M · ±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
$217 / 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 2024Property tax & assessments
Tax year 2024
Tax billed
$32,174
Tax year 2024
Assessed value
$2,763,316
Assessed 2024
Previous assessed
$2,763,316
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$1,620,309
Assessed improvement
$1,143,007
Applied tax rate
16.0000
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
For Lease
Year built
1976
Heating
NONE
Stories
1
Units
8
Rooms
8
Total area
7,920 SF
Lot
0.74 ac (32,278 SF)
Zoning code
R1
APN
200-052-004-5
UPID
US09-0434122
Jurisdiction
CONTRA COSTA
Metro division
OAKLAND-FREMONT-HAYWARD, CA METROPOLITAN DIVISION
Zoning & alternative use
R1 · Danville, CA
Zoning R1 · permitted uses
R1 · Danville, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Permitted & conditional uses
Allowed · special-permit conditions · prohibited
Danville. Always verify with local authorities before improvements.
Alternative use value scenarios
Repositioning upside vs current use
COMMERCIAL (GENERAL)
Est. value
$2.8M
OFFICE BUILDING
Est. value
$2.7M
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
1976
Heating
NONE
Stories
1
Units
8
Rooms
8
Lot
0.74 ac
Current owner
From public records · entity-resolved
1700 Investors LLC
Entity
Mailing address
PO BOX 3557, WALNUT CREEK, CA 94598-0557
Ownership since
2011
Owner contacts — direct phone, email, and related entities
Decision-maker phone · Verified email · Related entities & filings
Owner contacts
Email · phone · related entities
Sales History
14 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Mar 29, 2019
—
1700 Investors LLC
—
Deed
related
$2,700,357 · Wells Fargo Bk
Jan 21, 2011
$2,200,000
1700 Investors LLC
Henry H Herz
Grant Deed
$3,500,000 · Wells Fargo Bank NA
Jul 29, 2010
—
Shansky 1997 Trust
Shansky 1997 Trust
Quit Claim Deed
related
—
Mar 5, 2008
$100,000
Herz Family Trust
Faber,matthew F & Dianne G
Grant Deed
—
Feb 3, 2005
—
Noble Trust
Noble Trust
Quit Claim Deed
related
—
May 12, 2004
—
Noble Trust
Noble,barbara J
Affidavit Of Death
related
—
Apr 30, 1999
$200,000
Noble Trust
Herz Trust
Trustees Deed
—
—
—
1700 Investors LLC
—
Loan Modification
related
$2,700,357 · Wells Fargo Bk
—
—
1700 Investors LLC
—
Loan Modification
related
$3,002,000 · Wells Fargo Bk
—
—
Herz Family Trust
—
Deed Of Trust
related
$585,000 · Fremont Bank
—
—
Diablo Associate
—
Deed Of Trust
related
—
—
—
Herz,tr
—
Deed Of Trust
related
$500,000 · Fremont Bank
—
—
Herz Trust
—
Deed Of Trust
related
$420,000 · Bay Bank Of Commerce
—
—
Diablo Associates
—
Deed Of Trust
related
$400,000 · Wells Fargo Bank
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?”
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