1021 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 1021 12th St, Boulder, CO 80302

Property Summary

Property TypeMulti-Family Dwellings
Details4 bd · 2.75 ba · 4,464 sqft · built 1923
Lot Size0.143 acres (6,247 sqft)
OwnerCompany Name on Record
Last Sale$633,600 (Jul 1999)
Tax Bill$11,567 (2025)
Deeds & MortgagesJun 2019 Mortgage
Jan 2020 Transfer
Flood ZoneZone X (minimal risk)
APN1463-31-3-07-014

Property Details

APN / Parcel Number

Primary APN1463-31-3-07-014
Alternative APNs
  • R0002627
  • 0002627

Interior

Bedrooms4 Beds
Full Baths2.75 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Units2 Units
Stories2 Stories
Building Area4,464 sqft Living Area
1st Floor Area1,520 sqft
Upper Floors Area1,472 sqft
Basement Area1,472 sqft
Finished Basement1,472 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1923
Effective Year BuiltEffective 1975
Exterior MaterialCombination
Construction TypeMasonry / Concrete Block
Lot Area6,247 sqft (0.143 acres)
Garage TypeDetached
Garage Area756 sqft
Parking Spaces3 Parking Spaces
PorchPorch
Porch Area162 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0002627
Street Address1021 12TH ST
CityBOULDER
StateCO
Zip80302-7210
Property CategoryResidential
Property TypeResidential > Multi-Unit > Multi-Family Dwellings
Legal DescriptionLOTS 29-30 BLK 5 UNIVERSITY PLACE
Legal Range70
Legal Township1N
Legal Section31
Legal SubdivisionUNIVERSITY PLACE - BO
Legal Block5
Legal Lot Number29
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group4
Census Block4003
Census Tract12401

Owner

Source: Boulder County records, 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 Record
Mailing Address1630 30TH ST, 252, BOULDER, CO 80301-1044
Owner TypeCompany

Deeds, Mortgages & Sale History

DateDocument
Jun 19, 2019Deed of Trust, Mortgage · Conventional Mortgage
JPMORGAN CHASE BANK NA
Jan 27, 2020Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleJul 1, 1999 · Amount on Record
Deed SaleJul 1, 1999 · Amount on Record
Prior SaleMar 28, 1983
Deed Document Number19991955970
Record UpdatedSep 20, 2026

June 2019: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1021 12TH ST, BOULDER, CO 80302-7257
Transaction TypeMortgage
Record UpdatedMar 31, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003719051
DateJun 19, 2019
Instrument3719051
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
AddressCOLUMBUS, OH 43240
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJul 1, 2049

January 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJan 27, 2020
Property Address1021 12TH ST, BOULDER, CO 80302-7257
Document Number0003762788
Instrument DateJul 12, 2016
Instrument3762788
Transaction TypeTransfer
Record UpdatedFeb 10, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1630 30TH ST #252 BOULDER CO 803011044, 252, BOULDER, CO 80301-1044

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$129,234 (+8.8%) Land $59,928 Building $69,306$1,900,500 (-) Land $881,300 Building $1,019,200
2025$11,567.00 (+1.73%)$118,781 (-8.89%) Land $55,081 Building $63,700$1,900,500 (-2.33%) Land $881,300 Building $1,019,200
2024$11,370.00 (+1.84%)
2023$11,165.00 (+16.86%)$130,375 (+29.77%) Land $56,126 Building $74,249$1,945,900 (+31.71%) Land $837,700 Building $1,108,200
2022$9,554.00$100,463 Land $44,989 Building $55,474$1,477,400 Land $661,600 Building $815,800

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 Policies1 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 65% of the US · lower than 82% of Colorado
Wildfire Likelihood0.04% 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 367 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, Magnolia Road Internet Cooperative.

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