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527 Maxwell Ave, Boulder, CO 80304 Property Records

Boulder County property record for 527 Maxwell Ave, Boulder, CO 80304 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms3.25 Baths
Year BuiltBuilt 2005
Square Footage2,098 sqft Living Area
Lot Size7,254 sqft (0.167 acres)
OccupancyOwner Occupied
Last Sale$2,550,000 (2024)
Tax Bill$15,332.00 (2025)

Property Details

APN / Parcel Number

Primary APN1461-25-1-05-004
Alternative APNs
  • R0006288
  • 0006288

Interior

Bedrooms3 Beds
Full Baths3.25 Baths
Partial Baths2 Partial Baths
Total Rooms9 Rooms
Building Area2,098 sqft Living Area
Gross Area2,436 sqft Gross Area
1st Floor1,028 sqft 1st Floor
Upper Floors1,070 sqft Upper Floors
Basement Area338 sqft Basement
Stories2 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1907
Effective Year BuiltEffective 2005
Architectural StyleA-Frame Style
Exterior MaterialWood Shingle Exterior
Construction TypeFrame Construction
Roof MaterialAsphalt Roof
Lot Area7,254 sqft (0.167 acres)
Parking Spaces3 Parking Spaces
Garage TypeDetached Garage
Garage Area440 sqft Garage

Exterior Amenities

Total Buildings2 Total Buildings
Deck Area73 sqft Deck
PorchPorch
Porch Area168 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0006288
Street Address527 MAXWELL AVE
CityBOULDER
StateCO
Zip80304-3937
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal Description50 X 140 FT ADJACENT ON WEST SIDE OF LOT 33 BLK 13 AMENDED PLAT OF BLOCKS 10-13 MAXWELL ADDITION AKA E 30 FT LOT 16 & W 20 FT LOT 17 BLK 3 PHILLIPS ADDITION
Legal Range71
Legal Township1N
Legal Section25
Legal SubdivisionPHILLIPS - BO
Legal Block13,10
Legal Lot Number33
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup4
Census Block4002
Census Tract12101

Owner

Source: Boulder County records · APN 1461-25-1-05-004

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

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

Owner of RecordIndividual Name on File
Mailing Address527 MAXWELL AVE, BOULDER, CO 80304-3937
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity
VestingTenants In Common

Deeds, Mortgages & Sale History

DateDocument
Jul 16, 2024Special Warranty Deed, Transfer · Conventional Mortgage
SYNERGY ONE LENDING
Aug 23, 2023Intrafamily Transfer, Transfer · Stand Alone First Mortgage
GILLIAN EHRICH

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Jul 16, 2024
  • Deed Sale Price on Jul 16, 2024
  • Prior Sale Amount on Apr 21, 2010
Deed Doc Number20244053816
Prior Transfer DateAug 21, 2023
Prior Transfer Doc0004019242
Record RefreshedSep 20, 2026

July 2024: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionBOULDER CO
Recording DateJul 16, 2024
Property Address527 MAXWELL AVE, BOULDER, CO 80304-3937
Document Number0004053816
Instrument DateJul 15, 2024
Instrument4053816
Transaction TypeTransfer
Record UpdatedFeb 09, 2026
Title CompanyHERITAGE TITLE COMPANY

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$255.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipTenants in Severalty
Address527 MAXWELL AVE, BOULDER, CO 80304-3937

Mortgage

Document Number0004053817
DateJul 16, 2024
Instrument4053817
Lender
NameSYNERGY ONE LENDING
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueAug 01, 2054
Interest
Rate TypeAdjustable Rate
Rate6.87%
Type Change DateOct 01, 2034
Change Frequency6 Months
Min Rate At Change2.75%
Max Rate At Change11.8%
IndexSOFR Average 30-Day
Max Rate11.8%

August 2023: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBOULDER CO
Recording DateAug 23, 2023
Property Address527 MAXWELL AVE, BOULDER, CO 80304-3937
Document Number0004019242
Instrument DateAug 21, 2023
Instrument4019242
Transaction TypeTransfer
Record UpdatedSep 20, 2023

Transaction

Tax$0.00
Amount AccuracyZero or No Consideration Stated
Additional
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address527 MAXWELL AVE, BOULDER, CO 80304-3937

Mortgage

Document Number0004019243
DateAug 23, 2023
Instrument4019243
Lender
NameGILLIAN EHRICH
TypePrivate Party
Agreement
TypeStand Alone First Mortgage
AmountAmount Recorded
Term8 Months
DueApr 01, 2024
Interest
Rate TypeFixed Rate
Rate4.5%

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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$174,950 (+8.8%) Land $113,730 Building $61,220$2,572,800 (-) Land $1,672,500 Building $900,300
2025$15,332.00 (-3.66%)$160,800 (-14.45%) Land $104,531 Building $56,269$2,572,800 (-8.29%) Land $1,672,500 Building $900,300
2023$15,914.00 (+5.59%)$187,968 (+16.39%) Land $113,806 Building $74,162$2,805,500 (+20.73%) Land $1,698,600 Building $1,106,900
2022$15,072.00$161,497 Land $73,517 Building $87,980$2,323,700 Land $1,057,800 Building $1,265,900

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