820 E Heartstrong St, Superior (Louisville), CO 80027 Property Records

Boulder County property record for 820 E Heartstrong St, Superior, CO 80027

Property Summary

Property Type	Single Family Home
Details	5 bd · 4.25 ba · 4,211 sqft · built 1994
Lot Size	0.265 acres (11,525 sqft)
Owner	2 Individual Names on File
Last Sale	$849,000 (Jun 2017)
Tax Bill	$9,069 (2025)
Deeds & Mortgages	Nov 2020 Mortgage Aug 2018 Line of Credit + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1575-30-2-09-001`

Property Details

APN / Parcel Number

Primary APN	`1575-30-2-09-001`
Alternative APNs	`R0110383` `0110383`

Interior

Bedrooms	5 Beds
Full Baths	4.25 Baths
Half Baths	3 Half Baths
Total Rooms	12 Rooms
Stories	2 Stories
Building Area	4,211 sqft Living Area
Gross Area	5,071 sqft
1st Floor Area	1,809 sqft
Upper Floors Area	1,602 sqft
Basement Area	1,016 sqft
Finished Basement	800 sqft
Unfinished Basement	216 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1994
Effective Year Built	Effective 2004
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	11,525 sqft (0.265 acres)
Garage Type	Attached
Garage Area	644 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	212 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0110383
Street Address	820 E HEARTSTRONG ST
City	SUPERIOR
State	CO
Zip	80027-8005
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK 4 ROCK CREEK RANCH FLG 1B
Legal Range	69
Legal Township	1S
Legal Section	30
Legal Subdivision	ROCK CREEK RANCH FLG 1B - SU
Legal Block	4
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	LAFAYETTE-LOUISVILLE
Census Block Group	1
Census Block	1003
Census Tract	61300

Owner

820 E Heartstrong St is owned and occupied by two individuals who bought it in June 2017.

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

Owner of Record	2 Individual Names on File
Mailing Address	820 E HEARTSTRONG ST, SUPERIOR, CO 80027-8005
Occupancy	Owner Occupied
Owner Type	Individual

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
Nov 4, 2020	Deed of Trust, Mortgage · Conventional Mortgage GUARANTEED RATE INC
Aug 3, 2018	Deed of Trust, Mortgage · Line of Credit BANK OF AMERICA
Jun 19, 2017	Warranty Deed, Transfer · Conventional Mortgage CORNERSTONE HM LNDG

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jun 19, 2017 · Amount on File
Deed Sale	Jun 19, 2017 · Amount on File
Prior Sale	Dec 28, 1995 · Amount on File
Deed Document Number	20173598544
Prior Transfer Date	Mar 6, 2003
Prior Transfer Doc	0002418401
Record Updated	Oct 29, 2026

November 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	820 E HEARTSTRONG ST, SUPERIOR, CO 80027-8005
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003830352
Date	Nov 4, 2020
Instrument	3830352

Lender

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

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Nov 1, 2035

August 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	820 E HEARTSTRONG ST, SUPERIOR, CO 80027-8005
Document Number	0003671093
Instrument Date	Aug 3, 2018
Transaction Type	Mortgage
Record Updated	Jan 14, 2019
Title Company	AMERICAN TITLE COMPANY, AMERICAN TITLE INC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	820 E HEARTSTRONG ST SUPERIOR CO 800278005, SUPERIOR, CO 80027-8005

Mortgage

Document Number	0003671093
Date	Aug 14, 2018
Instrument	3671093

Lender

Name	BANK OF AMERICA
Type	Bank
Address	CHARLOTTE, NC 28255

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Aug 13, 2048

Interest

Rate Type	Adjustable Rate

June 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 19, 2017
Property Address	820 E HEARTSTRONG ST, SUPERIOR, CO 80027-8005
Document Number	0003598544
Instrument Date	Jun 16, 2017
Instrument	3598544
Transaction Type	Transfer
Record Updated	Jun 28, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$84.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	820 E HEARTSTRONG ST SUPERIOR CO 800278005, SUPERIOR, CO 80027-8005

Mortgage

Document Number	3598545
Date	Jun 19, 2017
Instrument	3598545

Lender

Name	CORNERSTONE HM LNDG
Address	HOUSTON, TX 77027

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	240 Months
Due	Jun 18, 2037

Tax Assessment & Valuation

The 2025 property tax bill for 820 E Heartstrong St was $9,069, up 5.5% from the year before.

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$84,041 (+2.97%) Land $25,303 Building $58,738	$1,305,900 (-) Land $442,100 Building $863,800
2025	$9,069.00 (+5.54%)	$81,619 Land $27,631 Building $53,988	$1,305,900 Land $442,100 Building $863,800
2024	$8,593.00 (+1.39%)
2023	$8,475.00 (+31.78%)	$86,618 (+40.89%) Land $24,422 Building $62,196	$1,292,800 (+46.15%) Land $364,500 Building $928,300
2022	$6,431.00	$61,480 Land $19,106 Building $42,374	$884,600 Land $274,900 Building $609,700

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 820 E Heartstrong St in Zone X, an area of minimal flood risk.

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
Nearby Flood Policies	2 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

Wildfire risk around 820 E Heartstrong St is moderate, ranking above 46% of the US, with a 0.1% annual chance of wildfire.

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

Wildfire Risk	Moderate above 46% of the US · lower than 70% of Colorado
Wildfire Likelihood	0.1% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	SUPERIOR MD NO 1 serves 17,900 people · EPA ID CO0107725
Water Source	Surface water
Last State Inspection	Feb 2025
Lead	Under 1 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Treatment failure resolved · Dec 2021
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 234 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 2,000
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100

May also be available: Intrepid Fiber Networks, T-Mobile.

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