311 S 3rd Ave, Superior (Louisville), CO 80027 Property Records

Boulder County property record for 311 S 3rd Ave, Superior, CO 80027

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.25 ba · 3,746 sqft · built 2022
Lot Size	0.183 acres (7,970 sqft)
Owner	2 Individual Names on File
Last Sale	$239,000 (Apr 2019)
Tax Bill	$8,305 (2025)
Deeds & Mortgages	Dec 2025 Sale Sep 2025 Mortgage + 2 more
Flood Zone	Zone X (moderate risk)
APN	`1577-24-0-36-005`

Property Details

APN / Parcel Number

Primary APN	`1577-24-0-36-005`
Alternative APN	`R0610218`

Interior

Bedrooms	3 Beds
Full Baths	2.25 Baths
Half Baths	2 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	3,746 sqft Living Area
Gross Area	4,576 sqft
1st Floor Area	1,805 sqft
Upper Floors Area	1,760 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2022
Effective Year Built	Effective 2022
Exterior Material	Combination
Construction Type	Frame
Roof Material	Other
Lot Area	7,970 sqft (0.183 acres)
Garage Type	Attached
Garage Area	830 sqft
Parking Spaces	4 Parking Spaces
Porch	Porch
Porch Area	92 sqft
Deck Area	143 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0610218
Street Address	311 S 3RD AVE
City	SUPERIOR
State	CO
Zip	80027-9603
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 6A REPLAT A OF BLK L LANGGEGERS ADDITION & BLK M SOUTH ADDITION SUPERIOR
Legal Range	70
Legal Township	1S
Legal Section	24
Legal Subdivision	SUPERIOR LANGGEGERS ADD REPLAT A
Legal Block	L,M
Legal Lot Number	6A
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1050
Census Tract	60602

Owner

311 S 3rd Ave is owned by two individuals who acquired it in December 2025.

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

Owner of Record	2 Individual Names on File
Mailing Address	401 3RD AVE, SUPERIOR, CO 80027-9613
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
Dec 23, 2025	Beneficiary Deed, Transfer
Sep 23, 2025	Deed of Trust, Mortgage · Conventional Mortgage UNITED WHOLESALE MORTGAGE
Apr 9, 2019	Grant Deed, Transfer LAND TITLE GUARANTEE
Feb 8, 2019	Grant Deed, Transfer

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 9, 2019 · Amount on File
Deed Sale	Apr 9, 2019 · Amount on File
Deed Document Number	20193706255
Last Transfer Date	Dec 19, 2025
Transfer Doc	0004114396
Record Updated	Oct 29, 2026

December 2025: Beneficiary Deed, Transfer

Document Type	Beneficiary Deed
Jurisdiction	BOULDER CO
Recording Date	Dec 23, 2025
Property Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603
Document Number	0004114396
Instrument Date	Dec 19, 2025
Instrument	4114396
Transaction Type	Transfer
Record Updated	Jan 19, 2026

Transaction

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

Transferred From (Grantor/Seller)

Name	Verified Name
Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	401 3RD AVE, SUPERIOR, CO 80027-9613

September 2025: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603
Transaction Type	Mortgage
Record Updated	Oct 13, 2025
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603

Mortgage

Document Number	0004103170
Date	Sep 23, 2025
Instrument	4103170

Lender

Name	UNITED WHOLESALE MORTGAGE
Type	Mortgage Company
Address	PONTIAC, MI 48341

Agreement

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

April 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 9, 2019
Property Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603
Document Number	0003706255
Instrument Date	Apr 8, 2019
Instrument	3706255
Transaction Type	Transfer
Record Updated	Apr 18, 2019
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Tax	$23.90
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	218 6TH AVE SUPERIOR CO 800279618, SUPERIOR, CO 80027-9618

February 2019: Grant Deed, Transfer

Document Type	Grant Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 8, 2019
Property Address	311 S 3RD AVE, SUPERIOR, CO 80027-9603
Document Number	0003697352
Instrument Date	Jan 22, 2019
Instrument	3697352
Transaction Type	Transfer
Record Updated	Feb 28, 2019

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Company
Address	7871 LEFTHAND CANYON DR JAMESTOWN CO 804559715, JAMESTOWN, CO 80455-9715

Tax Assessment & Valuation

The 2025 property tax bill for 311 S 3rd Ave was $8,305, up 75.7% 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		$76,561 (+2.43%) Land $23,473 Building $53,088	$1,195,900 (-) Land $415,200 Building $780,700
2025	$8,305.00 (+75.66%)	$74,744 (+63.79%) Land $25,950 Building $48,794	$1,195,900 (+62.46%) Land $415,200 Building $780,700
2024	$4,728.00 (+24.22%)	$45,634 (+11.47%) Land $12,871 Building $32,763	$736,100 (+20.47%) Land $247,100 Building $489,000
2023	$3,806.00 (+521.9%)	$40,937 (+599.54%) Land $34,210 Building $6,727	$611,000 (+625.65%) Land $510,600 Building $100,400
2022	$612.00	$5,852 Land $5,852	$84,200 Land $84,200

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 311 S 3rd Ave in Zone X, an area of moderate flood risk, within 500 ft of a high-risk flood zone.

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 moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	3 in force
Nearby Flood Claims	1 (2013)
Most Recent Claim	Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides

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 311 S 3rd Ave is high, ranking above 79% of the US, with a 0.5% annual chance of wildfire.

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

Wildfire Risk	High above 79% of the US · above 81% of Colorado
Wildfire Likelihood	0.5% annual chance
Exposure	Direct burnable vegetation

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 126 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable · Fiber in parts of the area	2,000 / 2,000
T-Mobile Fixed Wireless	100 / 20

May also be available: CenturyLink, LiveWireNet.

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