3670 16th St, Boulder, CO 80304 Property Records

Boulder County property record for 3670 16th St, Boulder, CO 80304

Property Summary

Property TypeSingle Family Home
Details4 bd · 1.75 ba · 2,393 sqft · built 1966
Lot Size0.168 acres (7,334 sqft)
OwnerCompany Name on File
Last Sale$890,000 (Jan 2018)
Tax Bill$7,651 (2025)
Deeds & MortgagesNov 2021 Transfer
Aug 2021 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN1463-19-2-14-023

Property Details

APN / Parcel Number

Primary APN1463-19-2-14-023
Alternative APNs
  • R0004219
  • 0004219

Interior

Bedrooms4 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Building Area2,393 sqft Living Area
Gross Area2,668 sqft
1st Floor Area1,468 sqft
Basement Area925 sqft
Finished Basement300 sqft
Unfinished Basement625 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1966
Effective Year BuiltEffective 1990
Architectural StyleSplit Level
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area7,334 sqft (0.168 acres)
Garage TypeAttached
Garage Area275 sqft
Parking Spaces1 Parking Space
Deck Area568 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0004219
Street Address3670 16TH ST
CityBOULDER
StateCO
Zip80304-1509
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 23 BLK 7 MELODY HEIGHTS
Legal Range70
Legal Township1N
Legal Section19
Legal SubdivisionMELODY HEIGHTS - BO
Legal Block7
Legal Lot Number23
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group4
Census Block4009
Census Tract12105

Owner

Source: Boulder County assessment roll, as of June 15, 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 Address3670 16TH ST, BOULDER, CO 80304-1509
Owner TypeCompany
VestingTrust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Nov 4, 2021Intrafamily Transfer, Transfer
Aug 26, 2021Deed of Trust, Mortgage · Conventional Mortgage
GUARANTEED RATE INC
Jan 14, 2020Deed of Trust, Mortgage
NAVY FCU
Jan 19, 2018Warranty Deed, Transfer · Conventional Mortgage
GUILD MORTGAGE CO

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJan 19, 2018 · Amount on Record
Deed SaleJan 19, 2018 · Amount on Record
Prior SaleOct 11, 1988
Deed Document Number20183636823
Last Transfer DateNov 2, 2021
Transfer Doc0003925940
Record UpdatedSep 20, 2026

November 2021: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBOULDER CO
Recording DateNov 4, 2021
Property Address3670 16TH ST, BOULDER, CO 80304-1509
Document Number0003925940
Instrument DateNov 2, 2021
Instrument3925940
Transaction TypeTransfer
Record UpdatedNov 22, 2021

Transaction

Tax$0.00
Amount AccuracyTransfer Tax Exempt
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipRevocable Trust
Address3670 16TH ST, BOULDER, CO 80304-1509

August 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3670 16TH ST, BOULDER, CO 80304-1509
Transaction TypeMortgage
Record UpdatedSep 7, 2021
Title CompanyFIRST INTEGRITY TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003909996
DateAug 26, 2021
Instrument3909996
Lender
NameGUARANTEED RATE INC
TypeMortgage Company
AddressCHICAGO, IL 60613
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueSep 1, 2051

January 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address3670 16TH ST, BOULDER, CO 80304-1509
Document Number0003761761
Instrument DateJan 14, 2020
Transaction TypeMortgage
Record UpdatedFeb 5, 2020
Title CompanyLAND TITLE GUARANTEE

Transferred To (Grantee/Buyer)

NameVerified Name
Address3670 161TH ST BOULDER CO 80304, BOULDER, CO 80304

Mortgage

Document Number0003761761
DateJan 21, 2020
Instrument3761761
Lender
NameNAVY FCU
TypeCredit Union
AddressVIENNA, VA 22180
Agreement
AmountAmount Recorded
Term180 Months
DueJan 20, 2035

January 2018: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateJan 19, 2018
Property Address3670 16TH ST, BOULDER, CO 80304-1509
Document Number0003636823
Instrument DateJan 16, 2017
Instrument3636823
Transaction TypeTransfer
Record UpdatedMar 31, 2022
Title CompanyGUARDIAN TITLE AGENCY LLC

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$89.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
Address3670 16TH ST, BOULDER, CO 80304-1509

Mortgage

Document Number0003636824
DateJan 19, 2018
Instrument3636824
Lender
NameGUILD MORTGAGE CO
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 1, 2048

Mortgage

Document Number0003636825
DateJan 19, 2018
Instrument3636825
Lender
NameCOLORADO CU
TypeCredit Union
AddressPO BOX 270010, LITTLETON, CO 80127
Agreement
TypeLine of Credit
AmountAmount Recorded
Term300 Months
DueJan 15, 2043
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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$87,312 (+8.8%) Land $38,706 Building $48,606$1,284,000 (-) Land $569,200 Building $714,800
2025$7,651.00 (+5.47%)$80,250 (-8.48%) Land $35,575 Building $44,675$1,284,000 (-1.89%) Land $569,200 Building $714,800
2023$7,254.00 (+13.1%)$87,689 (+26.95%) Land $37,158 Building $50,531$1,308,800 (+31.68%) Land $554,600 Building $754,200
2022$6,414.00$69,076 Land $29,718 Building $39,358$993,900 Land $427,600 Building $566,300

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
Nearby Flood Claims2 (1990–1991)
Claims Outside the SFHA2 of 2
Most Recent ClaimMay 1991 · rainfall accumulation

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 80% of the US · lower than 91% of Colorado
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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

ProviderMax Down / Up (Mbps)
Lumen Technologies
Fiber · DSL in parts of the area
8,000 / 8,000
Ayva
Fixed Wireless
2,500 / 2,500
Xfinity
Cable
2,000 / 250
Live Wire Networks
Fixed Wireless
250 / 100

May also be available: T-Mobile USA, Verizon.

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