Trust Owned 
For Sale
1 / 9
$1,725,000
3960 Helix St, Spring Valley, CA 91977
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Property profile
Verified
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Total area
5,312 SF
Zoning code
AGRICULTURAL
APN
504-311-35-00
UPID
US09-7916544
Cap rate & NOI
Priority signal for investors
Implied cap rate, NOI & suggested price
Cap rate vs submarket · NOI estimate · 3 price anchors
Location
Value estimations
Realmo proprietary · 4 methods
AI Approach
AI
by Request
CAP Approach
CAP
by Request
Comparable Approach
Comparable
by Request
Blend (final)
Blend
$865k
Owner & transaction history
since 2019
5 recorded transactions
Zoning & alternative use
AGRICULTURAL · Spring Valley, CA
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
Value estimation
Instant AI valuation built from comps, income signals, and proprietary benchmarks. A defensible range, not a single guess.
Unlock the complete Valuation workflow
Full NOI reconstruction, selected comps, alternative-use scenarios, data audit and PDF export.
All 49 comparables with addresses
Sensitivity value band
Source audit · 6 inputs
PDF export
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Summary
1
Valuation conclusion
Included free
Estimated market value
$865k
Value range
$779k – $952k
±10% around blend
Estimated value / SF
$163 / SF
Confidence
High
49 county-verified comps
Property data
63
Market benchmarks
100
Comparable evidence
100
$779k
blend $865k
$952k
Market-derived valuation under stabilized market assumptions. Desktop analysis. No physical inspection performed.
2
Subject property
Included free
GBA
5,312 SF
APN
504-311-35-00
Zoning
AGRICULTURAL
Assessed value
$1,204,757
Annual tax
$17,387
3
Income approach: direct capitalization
Partial preview
Not enough income data on file for a CAP-approach estimation.
4
Sales comparison
Partial preview
Sales approach indication
$2.17M
Weighted, 20 comps · high confidence
Evidence
49 found · 6 selected
County-verified recorded sales
Comparable
Sale dateSale price$ / SF
2.4 mi away · 5,950 SF
3.8 mi away · 6,264 SF
5.2 mi away · 5,612 SF
5.2 mi away · 5,194 SF
5.2 mi away · 4,216 SF
5
Sensitivity & risk
Partial preview
Downside
−10%
Base
$865k
Upside
+10%
Bounds of the ±10% band vs the blend — never simulated scenarios.
6
Current market position
Included free
Benchmark
Observed band ($/SF)AverageSubject delta
ZIP 36 sales
$228
-28%
Submarket 37 sales
$229
-29%
County 2072 sales
$315
-48%
Band = middle half (Q1–Q3) of recorded sale $/SF for this use type per geography; the diamond marks the subject at $163/SF. Delta below average reads as headroom. Source: Realmo CRE sales derivatives (county records).
7
Data & methodology
Included free
Building area
County record
Property tax
County record
Assessed value
County record
Zoning designation
County record
Operating expenses
Not available
Market rent
Not available
Not analyzed due to unavailable source data: actual rent roll, tenant leases, physical condition and capital
requirements are outside a desktop analysis.
Cost Approach excluded: replacement-cost inputs are not on file.
Automated valuation analysis, not a licensed appraisal. Figures are derived from public
records and proprietary models. Desktop analysis: no physical inspection, tenant leases or reported
property income. Verify with a licensed appraiser before transacting.
Cap rate
Cap rate calculated from real income and expense signals, benchmarked against sales of similar assets nearby.
Unlock the complete Cap Rate workflow
Full market tables, editable assumptions, comparable evidence, saved work and exports.
9-scenario matrix
Comparable evidence · 49 sales
Market rates by use type
PDF export
Professional Plan · 30 reports
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Overview
No cap rate is computable for this property yet: no recorded sale, income signal or market-rate row for its use type.
Price sensitivity
The rate is the decision lever; valuation is the consequence.
Test a cap rate
Implied value$1.20M
Move the market yield to see immediate price impact.
Value / SF
$227
Vs. selected
Base
Derivation
NOI ÷ cap
Arithmetic over the derived NOI * — not market scenario modeling.
NOI × cap matrix
Preview
Preview of 9 modeled outcomes.
NOI
5.00%7.00%9.00%
$76k
$1.52M
$1.08M
$843k
$84k
$1.69M
$1.20M
$937k
$93k
$1.86M
$1.33M
$1.03M
NOI sensitivity ±10% across the 5 / 7 / 9% anchors — derivation of the NOI above.
Comparable evidence
Partial preview
Recorded sales nearby
49 found
High confidence · county-verified
Closest comparable
$3.40M
2.0 mi · Oct 2025 · $584/SF
Property tax & assessments
Tax year 2024Property tax & assessments
Tax year 2024
Tax billed
$17,387
Tax year 2024
Assessed value
$1,204,757
Assessed 2024
Previous assessed
$1,204,757
+0.0% YoY
Effective rate
1.44%
On assessed value
Assessed land
$613,534
Assessed improvement
$591,223
Applied tax rate
83.0000
Automated cap rate analysis. Based on public records, market benchmarks and proprietary
models. Verify with a licensed professional before transacting.
Property description
Physical attributes from public recordsBuilding & lot
Public records
Property type
Apartment buildings
Use group
APARTMENT HOUSE (5+ UNITS)
Status
For Sale
Heating
NONE
Units
6
Bathrooms
6
Total area
5,312 SF
Zoning code
AGRICULTURAL
APN
504-311-35-00
UPID
US09-7916544
Jurisdiction
SAN DIEGO
Zoning & alternative use
AGRICULTURAL · Spring Valley, CAZoning AGRICULTURAL · permitted uses
AGRICULTURAL · Spring Valley, CA
Permitted & conditional uses
Allowed uses · Special-permit conditions · Prohibited uses
Alternative use value scenarios
Repositioning upside vs current use
Alternative use deep dive — conversion cost, permits, timeline
Conversion cost estimate · Permit path & risks · Stabilized NOI per option
Building & site characteristics
From public records
Heating
NONE
Units
6
Bathrooms
6
Zoning
The recorded zoning designation, what the district officially allows, and the municipal source it comes from.
Zoning designation
County-recorded code
AGRICULTURAL
Jurisdiction
Spring Valley, CA
Recorded code
AGRICULTURAL
Ownership Intelligence
Find the owner behind the property.
Unlock the evidence behind ownership: portfolio, transactions, debt and signals that help you decide who to contact next.
What opens after registration
Ownership report
Owner identityResolved entity and name variants
Portfolio holdingsLinked properties and estimated value
Deal signalsSell-side activity worth following
Debt & historyRecorded loans and transaction history
Private report access
See the ownership record for this address.
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Owner of record and activity signals are derived from public records and modeled classifications.
They do not confirm beneficial ownership or intent to transact.
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