3473 28th St, Apt 11, Boulder, CO 80301 Property Records

Boulder County property record for 3473 28th St, Apt 11, Boulder, CO 80301

Property Summary

Property Type	Condominium
Details	1 bd · 1 ba · 539 sqft · built 1985
Lot Size	0.001 acres (25 sqft)
Owner	2 Individual Names on File
Last Sale	$369,900 (Oct 2023)
Tax Bill	$1,790 (2025)
Deeds & Mortgages	Apr 2025 Mortgage Oct 2025 Mortgage + 6 more
Flood Zone	Zone X (minimal risk)
APN	`1463-20-2-53-011`

Property Details

APN / Parcel Number

Primary APN	`1463-20-2-53-011`
Alternative APNs	`R0103328` `0103328`

Interior

Bedrooms	1 Bed
Full Baths	1 Bath
Total Rooms	3 Rooms
Stories	1 Story
Building Area	539 sqft Living Area
1st Floor Area	539 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
Roof Material	Asphalt
Lot Area	25 sqft (0.001 acres)
Deck Area	65 sqft
Patio Area	285 sqft

Utilities, Heating & Cooling

Heating Fuel	Electric

Location & Zoning

Account Number	R0103328
Street Address	3473 28TH ST, 11
City	BOULDER
State	CO
Zip	80301-1598
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 11 & UND 3.687 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

3473 28th St, Apt 11 is owned by two individuals who acquired it in October 2025.

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 File
Mailing Address	704 E BASELINE RD, LAFAYETTE, CO 80026-2453
Owner Type	Individual

Deeds, Mortgages & Sale History

Date	Document
Apr 7, 2025	Deed of Trust, Mortgage · Conventional Mortgage GUILD MORTGAGE CO
Oct 28, 2025	Special Warranty Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Oct 12, 2023	Special Warranty Deed, Transfer · Conventional Mortgage GUILD MORTGAGE CO
Oct 12, 2023	Correction Deed LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO
Oct 12, 2023	Correction Deed LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO
Mar 4, 2019	Quit Claim Deed, Transfer Quitclaim
Jan 30, 2019	Quit Claim Deed, Transfer Quitclaim
Jan 8, 2019	Quit Claim Deed, Transfer Quitclaim

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Oct 12, 2023 · Amount on File
Deed Sale	Oct 12, 2023 · Amount on File
Prior Sale	Jun 5, 1992
Deed Document Number	20234024945
Last Transfer Date	Oct 30, 2025
Transfer Doc	0004110798
Record Updated	Oct 29, 2026

April 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Transaction Type	Mortgage
Record Updated	Nov 19, 2025

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3473 28TH ST 11, 11, BOULDER, CO 80301-1598

Mortgage

Document Number	0004082263
Date	Apr 7, 2025
Instrument	4082263

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company
Address	SAN DIEGO, CA 92111

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	May 1, 2055

October 2025: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 28, 2025
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0004107342
Map Reference	DOC 714615
Instrument Date	Oct 16, 2025
Instrument	4107342
Transaction Type	Transfer
Record Updated	Nov 19, 2025

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3473 28TH STREET #1111, 1111, LOUISVILLE, CO 80027

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598

Mortgage

Document Number	0004107343
Date	Oct 28, 2025
Instrument	4107343

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2055

October 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 12, 2023
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0004024945
Map Reference	DOC 714615
Instrument Date	Oct 6, 2023
Instrument	4024945
Transaction Type	Transfer
Record Updated	Nov 9, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$36.99
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3473 28TH ST # ST11, ST11, BOULDER, CO 80301-5931

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3473 28TH ST APT 11TH, BOULDER, CO 80301-5931

Mortgage

Document Number	0004024946
Date	Oct 12, 2023
Instrument	4024946

Lender

Name	GUILD MORTGAGE CO
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2053

October 2023: Correction Deed

Document Type	Correction Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 12, 2023
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0004024943
Map Reference	DOC 714615
Instrument Date	Oct 6, 2023
Instrument	4024943
Record Updated	Nov 9, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated

Transferred From (Grantor/Seller)

Name	Verified Name
Address	PO BOX 1278, AVON, CO 81620-1278

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 1278, AVON, CO 81620-1278

October 2023: Correction Deed

Document Type	Correction Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 12, 2023
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0004024942
Map Reference	MF 1373 DOC 714615
Instrument Date	Sep 19, 2023
Instrument	4024942
Record Updated	Nov 9, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated

Transferred From (Grantor/Seller)

Name	Verified Name
Address	5826 WOODBOURNE HOLLOW RD, BOULDER, CO 80301-3035

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	PO BOX 1278, EAGLE, CO 81631-1278

March 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 4, 2019
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0003700406
Instrument Date	Jan 31, 2019
Instrument	3700406
Transaction Type	Transfer
Record Updated	Mar 12, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	5015 A WILDRIDGE RD AVON CO 81620, AVON, CO 81620

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 30, 2019
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0003696057
Instrument Date	Jan 28, 2019
Instrument	3696057
Transaction Type	Transfer
Record Updated	Feb 7, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5015 A WILDRIDGE RD AVON CO 81620, AVON, CO 81620

January 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 8, 2019
Property Address	3473 28TH ST APT 11, 11, BOULDER, CO 80301-1598
Document Number	0003693238
Instrument Date	Dec 31, 2018
Instrument	3693238
Transaction Type	Transfer
Record Updated	Jan 17, 2019

Transaction

Tax	$0.00
Additional	Quitclaim Multiple Parcels

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	5826 WOODBOURNE HOLLOW RD BOULDER CO 803013035, BOULDER, CO 80301-3035

Tax Assessment & Valuation

The 2025 property tax bill for 3473 28th St, Apt 11 was $1,790, up 28.4% from the year before.

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		$18,391 (-2.08%) Building $18,391	$300,500 (-) Building $300,500
2025	$1,790.00 (+28.41%)	$18,781 (+18.37%) Building $18,781	$300,500 (+2.98%) Building $300,500
2024	$1,394.00 (+9.16%)	$15,866 (-9.93%) Building $15,866	$291,800 (+10.99%) Building $291,800
2023	$1,277.00 (-13.42%)	$17,615 (+16.79%) Building $17,615	$262,908 (+21.16%) Building $262,908
2022	$1,475.00	$15,082 Building $15,082	$217,000 Building $217,000

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

FEMA maps place 3473 28th St, Apt 11 in Zone X, an area of minimal flood risk, though there have been 18 flood claims nearby since 1995.

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 File 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

The area around 3473 28th St, Apt 11 has no burnable land within ember reach, so its wildfire risk is not rated.

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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