3545 28th St, Apt 308, Boulder, CO 80301 Property Records

Boulder County property record for 3545 28th St, Apt 308, Boulder, CO 80301

Property Summary

Property Type	Condominium
Details	2 bd · 1.75 ba · 830 sqft · built 1983
Lot Size	0.835 acres (36,371 sqft)
Owner	2 Individual Names on File
Last Sale	$410,000 (Mar 2023)
Tax Bill	$2,298 (2025)
Deeds & Mortgages	Mar 2023 Sale & Mortgage Jul 2022 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1463-20-2-49-022`

Property Details

APN / Parcel Number

Primary APN	`1463-20-2-49-022`
Alternative APNs	`R0097813` `0097813`

Interior

Bedrooms	2 Beds
Full Baths	1.75 Baths
Half Baths	1 Half Bath
Total Rooms	4 Rooms
Stories	1 Story
Building Area	830 sqft Living Area
1st Floor Area	830 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1983
Effective Year Built	Effective 1983
Architectural Style	Condo/Apartment
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	36,371 sqft (0.835 acres)

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0097813
Street Address	3545 28TH ST, 308
City	BOULDER
State	CO
Zip	80301-1576
Property Category	Residential
Property Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 308 BLDG 4 PENDLETON SQUARE CONDOS PHASE IV
Legal Range	70
Legal Township	1N
Legal Section	20
Legal Subdivision	PENDLETON SQUARE PHASE IV - BO
Legal Phase	4
Legal Block	3
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3009
Census Tract	12103

Owner

3545 28th St, Apt 308 is owned by two individuals who bought it in March 2023.

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

Owner of Record	2 Individual Names on File
Mailing Address	702 LIMESTONE DR, ERIE, CO 80516-6017
Owner Type	Individual
Vesting	Joint Tenants

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

Deeds, Mortgages & Sale History

Date	Document
Mar 13, 2023	Warranty Deed, Transfer · Conventional Mortgage GUARANTEED RATE INC
Jul 5, 2022	Deed of Trust, Mortgage · Line of Credit PREMIER MEMBERS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Mar 13, 2023 · Amount on File
Deed Sale	Mar 13, 2023 · Amount on File
Prior Sale	Jun 2, 2010 · Amount on File
Deed Document Number	20233999852
Prior Transfer Date	Jun 8, 1998
Prior Transfer Doc	0001823190
Record Updated	Oct 29, 2026

March 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 13, 2023
Property Address	3545 28TH ST APT 308, 308, BOULDER, CO 80301-1576
Document Number	0003999852
Map Reference	DOC 608635
Instrument Date	Mar 9, 2023
Instrument	3999852
Transaction Type	Transfer
Record Updated	Mar 17, 2023
Title Company	HERITAGE TITLE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$41.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	702 LIMESTONE DR, ERIE, CO 80516-6017

Mortgage

Document Number	0003999853
Date	Mar 13, 2023
Instrument	3999853

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

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

July 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3545 28TH ST APT 308, 308, BOULDER, CO 80301-1576
Transaction Type	Mortgage
Record Updated	Jul 25, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003970241
Date	Jul 5, 2022
Instrument	3970241

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Jul 25, 2047

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 3545 28th St, Apt 308 was $2,298.

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		$22,773 (-2.08%) Building $22,773	$372,100 (-) Building $372,100
2025	$2,298.00	$23,256 Building $23,256	$372,100 Building $372,100
2023	$1,788.00 (-9.47%)	$23,529 (+10.6%) Building $23,529	$351,181 (+14.73%) Building $351,181
2022	$1,975.00	$21,274 Building $21,274	$306,100 Building $306,100

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 3545 28th St, Apt 308 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

Wildfire risk around 3545 28th St, Apt 308 is low, with a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 80% of the US · lower than 91% of Colorado
Wildfire Likelihood	0.01% annual chance
Exposure	None 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 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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