3440 23rd St, Boulder, CO 80304 Property Records

Boulder County property record for 3440 23rd St, Boulder, CO 80304

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.25 ba · 2,289 sqft · built 2001
Lot Size0.153 acres (6,675 sqft)
Owner2 Individual Names on File
Last Sale$800,000 (Apr 2017)
Tax Bill$6,250 (2025)
Deeds & MortgagesNov 2020 Mortgage
Jan 2020 Mortgage
+ 1 more
Flood ZoneZone X (minimal risk)
APN1463-19-1-34-002

Property Details

APN / Parcel Number

Primary APN1463-19-1-34-002
Alternative APNs
  • R0121043
  • 0121043

Interior

Bedrooms4 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,289 sqft Living Area
Gross Area2,436 sqft
1st Floor Area952 sqft
Upper Floors Area532 sqft
Basement Area952 sqft
Finished Basement805 sqft
Unfinished Basement147 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 2001
Effective Year BuiltEffective 2001
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,675 sqft (0.153 acres)
PorchPorch
Porch Area56 sqft
Deck Area96 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0121043
Street Address3440 23RD ST
CityBOULDER
StateCO
Zip80304-1946
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 2 SCHEERLE FARM SUB
Legal Range70
Legal Township1N
Legal Section19
Legal SubdivisionSCHEERLE FARM - BO
Legal Block1
Legal Lot Number2
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1006
Census Tract12103

Owner

Source: Boulder County assessment roll, as of June 15, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on File
Mailing Address143 DUANE ST, REDWOOD CITY, CA 94062-1654
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

DateDocument
Nov 12, 2020Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Jan 3, 2020Deed of Trust, Mortgage · Conventional Mortgage
LOANDEPOT.COM LLC
Apr 25, 2017Warranty Deed, Transfer · Conventional Mortgage
MORTGAGE MASTER

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleApr 25, 2017 · Amount on Record
Deed SaleApr 25, 2017 · Amount on Record
Prior SaleJun 29, 2011 · Amount on Record
Deed Document Number20173588617
Prior Transfer DateJun 26, 2013
Prior Transfer Doc0003324367
Record UpdatedSep 20, 2026

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3440 23RD ST, BOULDER, CO 80304-1946
Transaction TypeMortgage
Record UpdatedJun 21, 2022
Title CompanyLAND TITLE GUARANTEE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003832179
DateNov 12, 2020
Instrument3832179
Lender
NameLOANDEPOT.COM LLC
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueDec 1, 2050

January 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3440 23RD ST, BOULDER, CO 80304-1946
Document Number0003759632
Instrument DateJan 3, 2020
Transaction TypeMortgage
Record UpdatedJan 28, 2020
Title CompanyLAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipHusband and Wife
Address3440 23RD ST BOULDER CO 803041946, BOULDER, CO 80304-1946

Mortgage

Document Number0003759632
DateJan 9, 2020
Instrument3759632
Lender
NameLOANDEPOT.COM LLC
TypeFunding / Finance Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueJan 8, 2050

April 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateApr 25, 2017
Property Address3440 23RD ST, BOULDER, CO 80304-1946
Document Number0003588617
Instrument DateApr 13, 2017
Instrument3588617
Transaction TypeTransfer
Record UpdatedMay 8, 2017
Title CompanySTEWART TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$80.00
Amount AccuracyConfirmed
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants with Right of Survivorship
Address3440 23RD ST BOULDER CO 803041946, BOULDER, CO 80304-1946

Mortgage

Document Number3588618
DateApr 25, 2017
Instrument3588618
Lender
NameMORTGAGE MASTER
TypeMortgage Company
AddressFOOTHILL RANCH, CA 92610
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueApr 24, 2047

Mortgage

Document Number3588619,
DateApr 25, 2017
Instrument3588619
Lender
NameBELLCO CU
TypeCredit Union
AddressGREENWOOD, CO 80111
Agreement
TypeLine of Credit
AmountAmount Recorded
Term240 Months
DueApr 24, 2037
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$71,325 (+8.8%) Land $30,838 Building $40,487$1,048,900 (-) Land $453,500 Building $595,400
2025$6,250.00 (+3.31%)$65,557 (-11.11%) Land $28,344 Building $37,213$1,048,900 (-4.71%) Land $453,500 Building $595,400
2023$6,050.00 (+14.71%)$73,747 (+29.83%) Land $29,828 Building $43,919$1,100,700 (+34.68%) Land $445,200 Building $655,500
2022$5,274.00$56,802 Land $24,311 Building $32,491$817,300 Land $349,800 Building $467,500

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 18 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies18 in force
Nearby Flood Claims3 (2013)
Claims Outside the SFHA3 of 3
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 3 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 98% of the US · lower than 99.2% of Colorado
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation at the parcel

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 533 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva
Fixed Wireless
2,500 / 2,500
Xfinity
Cable
2,000 / 250
Live Wire Networks
Fixed Wireless
250 / 100
Lumen Technologies
DSL · Fiber in parts of the area
140 / 20

May also be available: AT&T, T-Mobile USA, Verizon.

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