1127 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 1127 12th St, Boulder, CO 80302 · Last verified July 2026

Property Summary

Property TypeApartment House (2-4 Units)
Details9 bd · 3 ba · 4,102 sqft · built 1899
Lot Size0.211 acres (9,200 sqft)
OwnerCompany Name on File
Tax Bill$20,750 (2025)
Deeds & MortgagesJun 2018 Line of Credit
Flood ZoneZone X (minimal risk)
APN1463-31-2-42-007

Property Details

APN / Parcel Number

Primary APN1463-31-2-42-007
Alternative APNs
  • R0004961
  • 0004961

Interior

Bedrooms9 Beds
Full Baths3 Baths
Half Baths3 Half Baths
Total Rooms13 Rooms
Units9 Units
Building Area4,102 sqft Living Area
1st Floor Area1,461 sqft
Upper Floors Area1,461 sqft
Basement Area1,180 sqft
Finished Basement1,180 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1899
Effective Year BuiltEffective 1975
Architectural StyleMulti-Family
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area9,200 sqft (0.211 acres)
Garage TypeDetached
Garage Area648 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area180 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0004961
Street Address1127 12TH ST
CityBOULDER
StateCO
Zip80302-7029
Property CategoryCommercial
Property TypeResidential > Multi-Unit > Apartment House (2-4 Units)
Legal DescriptionLOTS 24-25-26 BLK 4 UNIVERSITY TERRACE
Legal Range70
Legal Township1N
Legal Section31
Legal SubdivisionUNIVERSITY TERRACE - BO
Legal Block4
Legal Lot Number24
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1010
Census Tract12401

Owner

Source: Boulder County records · APN 1463-31-2-42-007

Assessment roll updated June 15, 2026 · Last verified July 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 AddressPO BOX 271028, LOUISVILLE, CO 80027-5018
Owner TypeCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJul 28, 1988
Deed SaleJul 28, 1988
Prior SaleMar 01, 1982 · Amount on Record
Deed Document Number1988932566
Record UpdatedSep 20, 2026

June 2018: Grant Deed, Mortgage

Document TypeGrant Deed
JurisdictionBOULDER CO
Recording DateJun 18, 2018
Property Address1127 12TH ST, BOULDER, CO 80302-7029
Instrument DateJun 14, 2018
Instrument3661179
Transaction TypeMortgage
Record UpdatedJun 28, 2018
Title CompanyLAND TITLE GUARANTEE

Transaction

Tax$0.00
Additional
  • Multiple Parcels

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
AddressPO BOX 271028 LOUISVILLE CO 800275018, LOUISVILLE, CO 80027-5018

Mortgage

Document Number0003661179
DateJun 18, 2018
Instrument3661179
Lender
NameMIDFIRST BK
TypeBank
Address11001 N ROCKWELL AVE, OKLAHOMA CITY, OK 73162-2722
Agreement
TypeLine of Credit
AmountAmount Recorded
Term120 Months
DueJun 17, 2028
Interest
Rate TypeAdjustable Rate

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$234,015 (+8.8%) Land $138,489 Building $95,526$3,441,400 (-) Land $2,036,600 Building $1,404,800
2025$20,750.00 (+12.41%)$215,088 (+1.91%) Land $127,288 Building $87,800$3,441,400 (+9.25%) Land $2,036,600 Building $1,404,800
2024$18,460.00 (+1.81%)
2023$18,132.00 (+24.39%)$211,050 (+37.94%) Land $75,040 Building $136,010$3,150,000 (+4%) Land $1,120,000 Building $2,030,000
2022$14,577.00$153,000 Land $76,017 Building $76,983$2,250,000 Land $1,117,900 Building $1,132,100

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130124011, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies2 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 367 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
AyvaFixed Wireless (unlicensed)2,500 / 2,500
Lumen TechnologiesFiber2,000 / 1,000
XfinityCable2,000 / 250
VerizonFixed Wireless300 / 20
Live Wire NetworksFixed Wireless (licensed-by-rule)250 / 100
T-Mobile USAFixed Wireless100 / 20

May also be available at this address: AT&T, Lumen Technologies, Magnolia Road Internet Cooperative. Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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