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Property profile & analytics
OFF-MARKET
Estimated value
$12,340,000
Office buildings
575 Lennon Ln Walnut Creek, CA 94598-2443
Entity Owned
6-yr Hold
Absentee Owner
~
Est. High Equity
Property ID
US10-2999715
Property profile
Verified
Property type
Office buildings
Use group
OFFICE BUILDING
Year built
1986
Total area
99,062 SF
Lot
5.08 ac (221,285 SF)
APN
143-020-022-8
UPID
US10-2999715
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
-
Vinculums Services Telecommunications Service General Contractor
-
Mark R Mittelman Law Offices Law Firm
-
Robert Algar Physician Medical Clinic
-
Danielle Bertoni MD, MPH Physician Hospital
-
Muir Oncology Imaging & Treatment Center Physician
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
$10.27M
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$12.34M
Owner & transaction history
Lennon Real Estate Holding LLC · 6 yrs held
Lennon Real Estate Holding LLC
since 2020
Last sale
$12.3M
7 recorded transactions
Zoning & alternative use
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 Walnut Creek submarket · NOI estimate · Typical band, median & reading
Implied cap rate, NOI & submarket benchmark
Cap vs Walnut Creek 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
$14,580,000
ML approach
$10,270,000
CAP Approach
CAP Return
Estimation
6%
by Request
6.5%
by Request
7%
by Request
Blend value · Realmo final
$12.34M
Range $11.11M – $13.57M · ±10% · vs last sale $12.25M (Mar 17 2020)
Last sale anchor
$12.25M
Mar 17 2020
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
$125 / 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
$286,458
Tax year 2024
Assessed value
$24,683,926
Assessed 2024
Previous assessed
$24,683,926
+0.0% YoY
Effective rate
1.16%
On assessed value
Assessed land
$5,950,719
Assessed improvement
$18,733,207
Applied tax rate
9.0000
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
1986
Heating
NONE
Stories
1
Units
7
Rooms
7
Total area
99,062 SF
Lot
5.08 ac (221,285 SF)
APN
143-020-022-8
UPID
US10-2999715
Jurisdiction
CONTRA COSTA
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
Building & site characteristics
From public records
Year built
1986
Heating
NONE
Stories
1
Units
7
Rooms
7
Lot
5.08 ac
Current owner
From public records · entity-resolved
Lennon Real Estate Holding LLC
Entity
Mailing address
2637 SHADELANDS DR, WALNUT CREEK, CA 94598-2512
Mailing matches property
Different — outreach signal
Owner-occupied
No
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
9 recorded events · public records
Date
Price
Buyer
Seller
Deed Type
Mortgage
Apr 27, 2021
—
Lennon Real Estate Holding LLC
—
Deed
related
$21,000,000 · Western Alliance Bank
Mar 17, 2020
$12,250,000
Lennon Real Estate Holding LLC
575 Lennon Lane LLC
Grant Deed
$9,000,000 · Western Alliance Bank
Feb 24, 2020
—
575 Lennon Lane LLC
—
Deed
related
$4,000,000 · Chavez Management Group INC
Nov 29, 2016
—
575 Lennon Lane LLC
301-321 Oxford Way LLC
Quit Claim Deed
—
Dec 3, 2015
$7,230,000
301-321 Oxford Way LLC
The Realty Associates Fund Vii LP
Grant Deed
$3,700,000 · First Republic Bank
Oct 27, 2005
—
Realty Associates Fund Vii
Lennon Lane Joint Venture LLC
Grant Deed
—
Oct 31, 2000
—
Lennon Lane Joint Ventures LLC
Chevron USA INC
Grant Deed
related
—
Aug 15, 1985
$11,500,000
Chevron USA INC
Shadelands West
Grant Deed
—
—
—
575 Lennon Lane LLC
—
Deed Of Trust
related
$4,000,000 · Chavez Management Group INC
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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