3473 28th St, Apt 12, Boulder, CO 80301 Property Records

Boulder County property record for 3473 28th St, Apt 12, Boulder, CO 80301

Property Summary

Property Type	Condominium
Details	2 bd · 2 ba · 980 sqft · built 1985
Lot Size	0.001 acres (25 sqft)
Owner	2 Individual Names on Record
Last Sale	$439,000 (Jan 2022)
Tax Bill	$2,849 (2025)
Deeds & Mortgages	Jan 2022 Sale & Mortgage Apr 2020 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-20-2-53-012`

Property Details

APN / Parcel Number

Primary APN	`1463-20-2-53-012`
Alternative APNs	`R0103329` `0103329`

Interior

Bedrooms	2 Beds
Full Baths	2 Baths
Total Rooms	4 Rooms
Building Area	980 sqft Living Area
1st Floor Area	571 sqft
Upper Floors Area	409 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1985
Effective Year Built	Effective 1985
Architectural Style	Condo/Apartment
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	25 sqft (0.001 acres)
Garage Type	Carport
Garage Area	220 sqft
Carport	Carport
Carport Area	220 sqft
Parking Spaces	1 Parking Space
Deck Area	152 sqft
Patio Area	332 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0103329
Street Address	3473 28TH ST, 12
City	BOULDER
State	CO
Zip	80301-1598
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 12 & UND 5.478 INT GCE VALENCIA PLACE CONDOS
Legal Range	70
Legal Township	1N
Legal Section	20
Legal Subdivision	VALENCIA PLACE CONDOS - BO
Legal Block	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3009
Census Tract	12103

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Owner of Record	2 Individual Names on Record
Mailing Address	3473 28TH ST, 12, BOULDER, CO 80301-1598
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Jan 12, 2022	Warranty Deed, Transfer · Conventional Mortgage ADAMS BANK & TRUST
Apr 1, 2020	Quit Claim Deed, Transfer FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA
Jan 12, 2017	Deed of Trust, Mortgage · Line of Credit CENTENNIAL BK&TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 12, 2022 · Amount on Record
Deed Sale	Jan 12, 2022 · Amount on Record
Prior Sale	Jul 7, 2008 · Amount on Record
Deed Document Number	20223939991
Prior Transfer Date	Mar 25, 2020
Prior Transfer Doc	0003775362
Record Updated	Oct 29, 2026

January 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 12, 2022
Property Address	3473 28TH ST APT 12, 12, BOULDER, CO 80301-1598
Document Number	0003939991
Map Reference	DOC 714616
Instrument Date	Dec 22, 2021
Instrument	3939991
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	FIRST AMERICAN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$43.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3473 28TH ST APT 12, 12, BOULDER, CO 80301-1598

Mortgage

Document Number	0003939992
Date	Jan 12, 2022
Instrument	3939992

Lender

Name	ADAMS BANK & TRUST
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jan 1, 2052

April 2020: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 1, 2020
Property Address	3473 28TH ST APT 12, 12, BOULDER, CO 80301-1598
Document Number	0003775362
Instrument Date	Mar 25, 2020
Instrument	3775362
Transaction Type	Transfer
Record Updated	Jun 8, 2020
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3473 28TH ST #12 BOULDER CO 803011598, 12, BOULDER, CO 80301-1598

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3473 28TH ST APT 12, 12, BOULDER, CO 80301-1598
Document Number	0003570982
Instrument Date	Jan 12, 2017
Transaction Type	Mortgage
Record Updated	Feb 1, 2017

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3473 28TH ST #12 BOULDER CO 803011598, 12, BOULDER, CO 80301-1598

Mortgage

Document Number	0003570982
Date	Jan 24, 2017
Instrument	3570982

Lender

Name	CENTENNIAL BK&TR
Address	BOULDER, CO 80304

Agreement

Type	Line of Credit
Amount	Amount Recorded

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$29,260 (-2.08%) Building $29,260	$478,100 (-) Building $478,100
2025	$2,849.00 (+22.27%)	$29,881 (-1.08%) Building $29,881	$478,100 (+6.04%) Building $478,100
2024	$2,330.00 (+1.75%)
2023	$2,290.00 (+2.74%)	$30,207 (+25.84%) Building $30,207	$450,858 (+30.53%) Building $450,858
2022	$2,229.00	$24,005 Building $24,005	$345,400 Building $345,400

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 Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 28 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	58 units insured incl. 30 condo units
Nearby Flood Claims	18 (1995–2022)
Claims Outside the SFHA	9 of 18
Most Recent Claim	Oct 2022 · rainfall accumulation
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 15 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 Risk	Not rated no burnable land 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 System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 288 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable · Fiber in parts of the area	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20
AT&T Fixed Wireless	100 / 20
T-Mobile Fixed Wireless	100 / 20

May also be available: Verizon.

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