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1900 23rd St, Boulder, CO 80302 Property Records

Boulder County property record for 1900 23rd St, Boulder, CO 80302 · Last verified June 2026

Property Summary

Property TypeCondominium
Details3 bd · 2 ba · 1,702 sqft · built 2018
OwnerCompany Name on File
Last Sale$1,427,077 (Jan 2020)
Tax Bill$10,295 (2025)
Deeds & MortgagesMay 2023 Sale
Sep 2020 Mortgage
+ 1 more
Flood ZoneZone X (moderate risk)
APN1463-30-N-01-008

Property Details

APN / Parcel Number

Primary APN1463-30-N-01-008
Alternative APN
  • R0611771

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms8 Rooms
Building Area1,702 sqft Living Area
Gross Area1,937 sqft
1st Floor Area921 sqft
Upper Floors Area781 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 2018
Effective Year BuiltEffective 2018
Architectural StyleCondo/Apartment
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialOther
Garage TypeAttached
Garage Area235 sqft
Parking Spaces1 Parking Space
Deck Area191 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0611771
Street Address1900 23RD ST
CityBOULDER
StateCO
Zip80302-4600
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionUNIT 8 THEMARK TOWNHOMES
Legal Range70
Legal Township1N
Legal Section30
Legal SubdivisionTHEMARK TOWNHOMES
Legal Block2
Legal Unit8
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2001
Census Tract12205

Owner

Source: Boulder County records · APN 1463-30-N-01-008

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of RecordCompany Name on File
Mailing Address421 HIGHLAND AVE, BOULDER, CO 80302-4717
Owner TypeCompany
VestingLimited Liability Company

Deeds, Mortgages & Sale History

DateDocument
May 04, 2023Special Warranty Deed, Transfer
Sep 15, 2020Deed of Trust, Mortgage · ARM
GOLDMAN SACHS BANK USA
Jan 06, 2020Special Warranty Deed, Transfer · Conventional Mortgage
GOLDMAN SACHS BANK USA

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJan 06, 2020 · Amount on Record
Deed SaleJan 06, 2020 · Amount on Record
Deed Document Number20203758807
Record UpdatedSep 20, 2026

May 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionBOULDER CO
Recording DateMay 04, 2023
Property Address1900 23RD ST, BOULDER, CO 80302-4600
Document Number0004006189
Map ReferenceDOC 03750892
Instrument DateMay 03, 2023
Instrument4006189
Transaction TypeTransfer
Record UpdatedMay 11, 2023

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address1900 23RD ST, BOULDER, CO 80302-4600

Transferred To (Grantee/Buyer)

NameVerified Name
Address421 HIGHLAND AVE, BOULDER, CO 80302-4717

September 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1900 23RD ST, BOULDER, CO 80302-4600
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003815593
DateSep 15, 2020
Instrument3815593
Lender
NameGOLDMAN SACHS BANK USA
TypeBank
Address10232
Agreement
TypeARM
AmountAmount Recorded
Term361 Months
DueOct 01, 2050
Interest
Rate TypeAdjustable Rate
Rate2.35%
AdjustableAdjustable Rate Rider
Type Change DateOct 01, 2027
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change7.85%
Index1-Year LIBOR
Max Rate7.85%

January 2020: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionBOULDER CO
Recording DateJan 06, 2020
Property Address1900 23RD ST, BOULDER, CO 80302-4600
Document Number0003758807
Map ReferenceDOC 03750892
Instrument DateJan 06, 2019
Instrument3758807
Transaction TypeTransfer
Record UpdatedMar 31, 2022
Title CompanyLAND TITLE GUARANTEE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$142.71
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address1900 23RD ST, 1900, BOULDER, CO 80302-4600

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1900 23RD ST, BOULDER, CO 80302-4600

Mortgage

Document Number0003758808
DateJan 06, 2020
Instrument3758808
Lender
NameGOLDMAN SACHS BANK USA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2050
Interest
Rate TypeAdjustable Rate
Rate2.9%
AdjustableAdjustable Rate Rider
Type Change DateFeb 01, 2025
Change FrequencyAnnually
Min Rate At Change2.25%
Max Rate At Change7.9%
Index1-Year LIBOR
Max Rate7.9%

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

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

Tax Bill & Assessment History

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.

YearTax BillAssessed ValueAssessed Market Value
2026$116,552 (+2.5%) Building $116,552$1,714,000 (-5.79%) Building $1,714,000
2025$10,295.00 (+25.33%)$113,713 (+18.14%) Building $113,713$1,819,400 (+26.64%) Building $1,819,400
2024$8,214.00 (+1.8%)
2023$8,069.00 (+3.01%)$96,256 (+14.11%) Building $96,256$1,436,650 (+18.37%) Building $1,436,650
2022$7,833.00$84,352 Building $84,352$1,213,700 Building $1,213,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122052, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardModerate
500-Year FloodplainYes
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance CostPremium on Record
median of 31 individual NFIP policies nearby
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies64 units insured
33 under condo master policies
Nearby Flood Claims6 (2013)
Claims Outside the SFHA2 of 6
Most Recent ClaimSep 2013, rainfall accumulation, Severe Storms, Flooding, Landslides, And Mudslides
Claims By Storm
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 6 claims

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 663 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AyvaFixed Wireless (unlicensed)2,500 / 2,500
Lumen TechnologiesFiber2,000 / 1,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
Live Wire NetworksFixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: Lumen Technologies, AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.

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