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921 Maxwell Ave, #18, Boulder, CO 80304 Property Records

Boulder County property record for 921 Maxwell Ave, #18, Boulder, CO 80304

Property Summary

Property TypeCondominium
Details2 bd · 2.75 ba · 1,381 sqft · built 1900
Lot Size0.709 acres (30,894 sqft)
Owner2 Individual Names on File
Last Sale$1,000,000 (Jun 2025)
Tax Bill$5,387 (2025)
Deeds & MortgagesJan 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN1461-25-1-78-018

Property Details

APN / Parcel Number

Primary APN1461-25-1-78-018
Alternative APNs
  • R0000002
  • 0000002

Interior

Bedrooms2 Beds
Full Baths2.75 Baths
Half Baths1 Half Bath
Total Rooms6 Rooms
Building Area1,381 sqft Living Area
Gross Area1,581 sqft
1st Floor Area908 sqft
Upper Floors Area473 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1984
Architectural StyleCondo/Apartment
Exterior MaterialCombination
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area30,894 sqft (0.709 acres)
Garage TypeAttached
Garage Area200 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area150 sqft
Deck Area102 sqft

Utilities, Heating & Cooling

Cooling SystemEvaporative
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0000002
Street Address921 MAXWELL AVE, 18
CityBOULDER
StateCO
Zip80304-4164
Property CategoryResidential
Property TypeResidential > Condominium / Townhouse > Condominium
Legal DescriptionUNIT 18 & UND 6.9 INT GCE MAXWELL PARK CONDOS THE
Legal Range71
Legal Township1N
Legal Section25
Legal SubdivisionMAXWELL PARK CONDOS THE - BO
Legal Block1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1007
Census Tract12204

Owner

921 Maxwell Ave, #18 is owned by two individuals who bought it in June 2025.

Source: Boulder County records, as of September 18, 2026

Owner of Record2 Individual Names on File
Mailing Address921 MAXWELL AVE, 18, BOULDER, CO 80304-4164
Owner TypeIndividual
VestingJoint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJun 23, 2025 · Amount on File
Deed SaleJun 23, 2025 · Amount on File
Prior SaleFeb 14, 2014 · Amount on File
Deed Document Number20254092246
Prior Transfer DateJan 7, 2021
Prior Transfer Doc0003852108
Record UpdatedOct 29, 2026

January 2021: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJan 20, 2021
Property Address921 MAXWELL AVE # 18, 18, BOULDER, CO 80304-4164
Document Number0003852108
Map ReferenceFILE1333 DOC862230
Instrument DateJan 7, 2021
Instrument3852108
Transaction TypeTransfer
Record UpdatedJul 26, 2022
Title CompanyLAND TITLE GUARANTEE CO

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
AddressPO BOX 3521, TELLURIDE, CO 81435-3521

Transferred To (Grantee/Buyer)

NameVerified Name
Address921 MAXWELL AVE # 18, 18, BOULDER, CO 80304-4164

Mortgage

Document Number0003852109
DateJan 20, 2021
Instrument3852109
Lender
NameALPINE BANK
TypeBank
Agreement
TypeCommercial Mortgage
AmountAmount on Record

Tax Assessment & Valuation

The 2025 property tax bill for 921 Maxwell Ave, #18 was $5,387.

Source: Boulder County assessment roll, as of September 18, 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$56,719 (+0.38%) Building $56,719$904,100 (-) Building $904,100
2025$5,387.00$56,506 Building $56,506$904,100 Building $904,100
2023$5,328.00 (-7.02%)$65,383 (+5.95%) Building $65,383$975,873 (+9.91%) Building $975,873
2022$5,730.00$61,709 Building $61,709$887,900 Building $887,900

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

FEMA maps place 921 Maxwell Ave, #18 in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 2013.

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
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies9 in force
Nearby Flood Claims8 (2013–2022)
Claims Outside the SFHA6 of 8
Most Recent ClaimAug 2022 · other causes
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 5 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

Wildfire risk around 921 Maxwell Ave, #18 is low, with a 0.05% annual chance of wildfire.

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

Wildfire RiskLow
lower than 63% of the US · lower than 80% of Colorado
Wildfire Likelihood0.05% annual chance
ExposureNone
beyond ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

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 684 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area		2,000 / 1,000
Xfinity
Cable		2,000 / 250
LiveWireNet
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20
AT&T
Fixed Wireless		100 / 20

May also be available: Verizon.

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