350 Colgate St, Boulder, CO 80305 Property Records

Boulder County property record for 350 Colgate St, Boulder, CO 80305

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.25 ba · 2,430 sqft · built 1957
Lot Size0.179 acres (7,795 sqft)
OwnerCompany Name on Record
Last Sale$1,160,000 (Mar 2022)
Tax Bill$6,662 (2025)
Deeds & MortgagesMar 2022 Sale
Feb 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN1577-05-3-23-005

Property Details

APN / Parcel Number

Primary APN1577-05-3-23-005
Alternative APNs
  • R0003685
  • 0003685

Interior

Bedrooms4 Beds
Full Baths2.25 Baths
Half Baths2 Half Baths
Total Rooms9 Rooms
Stories1 Story
Building Area2,430 sqft Living Area
1st Floor Area1,215 sqft
Basement Area1,215 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1957
Effective Year BuiltEffective 1980
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area7,795 sqft (0.179 acres)
Deck Area337 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0003685
Street Address350 COLGATE AVE
CityBOULDER
StateCO
Zip80305-5357
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 5 BLK 23 HIGHLAND PARK 5
Legal Range70
Legal Township1S
Legal Section05
Legal SubdivisionHIGHLAND PARK 5 - BO
Legal Block23
Legal Lot Number5
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group2
Census Block2031
Census Tract12505

Owner

Source: Boulder County records, as of October 16, 2026

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

Owner of RecordCompany Name on Record
Mailing Address350 COLGATE AVE, BOULDER, CO 80305-5357
OccupancyOwner Occupied
Owner TypeCompany
VestingTrust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 16, 2022Warranty Deed, Transfer
FIDELITY NATIONAL TITLE
Feb 16, 2021Deed of Trust, Mortgage · Conventional Mortgage
BETTER MORTGAGE CORPORATION

Assessor's Deed Record

Deed NamesName on Deed
Last SaleMar 16, 2022 · Amount on Record
Deed SaleMar 16, 2022 · Amount on Record
Prior SaleMay 28, 2009 · Amount on Record
Deed Document Number20223951221
Prior Transfer DateJan 23, 2003
Prior Transfer Doc0002387527
Record UpdatedOct 29, 2026

March 2022: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateMar 16, 2022
Property Address350 COLGATE ST, BOULDER, CO 80305-5357
Document Number0003951221
Instrument DateMar 15, 2022
Instrument3951221
Transaction TypeTransfer
Record UpdatedJun 7, 2023
Title CompanyFIDELITY NATIONAL TITLE

Transaction

AmountAmount Recorded
Tax$116.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipFamily Trust
Address350 COLGATE ST, BOULDER, CO 80305-5357

February 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address350 COLGATE ST, BOULDER, CO 80305-5357
Transaction TypeMortgage
Record UpdatedFeb 26, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003859083
DateFeb 16, 2021
Instrument3859083
Lender
NameBETTER MORTGAGE CORPORATION
TypeMortgage Company
AddressNEW YORK, NY 10007
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueMar 1, 2036

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$71,264 (+1.99%) Land $56,705 Building $14,559$1,118,000 (-) Land $903,900 Building $214,100
2025$6,662.00 (+14.08%)$69,875 (-2.02%) Land $56,494 Building $13,381$1,118,000 (+5.04%) Land $903,900 Building $214,100
2023$5,840.00 (+17.15%)$71,314 (+32.85%) Land $64,183 Building $7,131$1,064,400 (+37.8%) Land $957,960 Building $106,440
2022$4,985.00$53,682 Land $47,691 Building $5,991$772,400 Land $686,200 Building $86,200

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
Flood Insurance CostPremium on Record
median of 34 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies34 in force
Nearby Flood Claims17 (1980–2015)
Claims Outside the SFHA7 of 17
Most Recent ClaimMay 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 11 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 RiskModerate
above 62% of the US · above 50% of Colorado
Wildfire Likelihood0.2% annual chance
ExposureIndirect
within ember reach
Adjoins Burnable LandYes

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 515 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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