510 S 44th St, Boulder, CO 80305 Property Records

Boulder County property record for 510 S 44th St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details5 bd · 2.75 ba · 2,800 sqft · built 1960
Lot Size0.163 acres (7,112 sqft)
Owner2 Individual Names on Record
Last Sale$236,000 (Mar 2000)
Tax Bill$4,769 (2025)
Deeds & MortgagesMar 2026 Sale
Dec 2021 Sale
+ 1 more
Flood ZoneZone X (minimal risk)
APN1577-08-1-03-001

Property Details

APN / Parcel Number

Primary APN1577-08-1-03-001
Alternative APNs
  • R0014509
  • 0014509

Interior

Bedrooms5 Beds
Full Baths2.75 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Stories1 Story
Building Area2,800 sqft Living Area
1st Floor Area1,400 sqft
Basement Area1,400 sqft
Finished Basement1,400 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1960
Effective Year BuiltEffective 1970
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area7,112 sqft (0.163 acres)
Garage TypeCarport
Garage Area336 sqft
CarportCarport
Carport Area336 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0014509
Street Address510 S 44TH ST
CityBOULDER
StateCO
Zip80305-6020
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 1 BLK 3 MARTIN ACRES 3
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionMARTIN ACRES 3 - BO
Legal Block3
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group3
Census Block3001
Census Tract12508

Owner

Source: Boulder County records, as of September 18, 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 Record
Mailing Address1505 SANCHEZ CT, PLATTEVILLE, CO 80651-7593
Owner TypeIndividual

Deeds, Mortgages & Sale History

DateDocument
Mar 31, 2026Beneficiary Deed, Transfer
Dec 8, 2021Beneficiary Deed, Transfer
Nov 17, 2020Deed of Trust, Mortgage · Conventional Mortgage
PLAINS COMMERCE BANK

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 31, 2000 · Amount on Record
Deed SaleMar 31, 2000 · Amount on Record
Prior SaleNov 20, 1992 · Amount on Record
Deed Document Number20002033344
Last Transfer DateMar 31, 2026
Transfer Doc0004125870
Record UpdatedOct 29, 2026

March 2026: Beneficiary Deed, Transfer

Document TypeBeneficiary Deed
JurisdictionBOULDER CO
Recording DateMar 31, 2026
Property Address510 S 44TH ST, BOULDER, CO 80305-6020
Document Number0004125870
Instrument DateMar 31, 2026
Instrument4125870
Transaction TypeTransfer
Record UpdatedMay 1, 2026

Transaction

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

Transferred From (Grantor/Seller)

NameVerified Name
Address1505 SANCHEZ CT, PLATTEVILLE, CO 80651-7593

Transferred To (Grantee/Buyer)

NameVerified Name
Address2310 GRAPE AVE, BOULDER, CO 80304-2830

December 2021: Beneficiary Deed, Transfer

Document TypeBeneficiary Deed
JurisdictionBOULDER CO
Recording DateDec 8, 2021
Property Address510 S 44TH ST, BOULDER, CO 80305-6020
Document Number0003933225
Instrument DateDec 8, 2021
Instrument3933225
Transaction TypeTransfer
Record UpdatedDec 29, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address2310 DROPE AVENUE, BOULDER, CO 80304

November 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address510 S 44TH ST, BOULDER, CO 80305-6020
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003833809
DateNov 17, 2020
Instrument3833809
Lender
NamePLAINS COMMERCE BANK
TypeBank
AddressSIOUX FALLS, SD 57106
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term360 Months
DueNov 1, 2050

Tax Assessment & Valuation

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$48,742 (-0.88%) Land $23,602 Building $25,140$786,800 (-) Land $417,100 Building $369,700
2025$4,769.00 (-0.48%)$49,175 (-14.21%) Land $26,069 Building $23,106$786,800 (-8.03%) Land $417,100 Building $369,700
2024$4,792.00 (+1.83%)
2023$4,706.00 (+12.4%)$57,319 (+29.43%) Land $30,988 Building $26,331$855,500 (+34.26%) Land $462,500 Building $393,000
2022$4,187.00$44,285 Land $23,164 Building $21,121$637,200 Land $333,300 Building $303,900

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

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 Policies5 in force

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 67% of the US · lower than 84% of Colorado
Wildfire Likelihood0.04% annual chance
ExposureIndirect
within 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 678 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
Verizon
Fixed Wireless
300 / 20
LiveWireNet
Fixed Wireless
250 / 100
T-Mobile
Fixed Wireless
100 / 20

May also be available: AT&T.

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