4451 Sandpiper Cir, Boulder, CO 80301 Property Records

Boulder County property record for 4451 Sandpiper Cir, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,521 sqft · built 1977
Lot Size	0.172 acres (7,505 sqft)
Owner	2 Individual Names on Record
Last Sale	$775,000 (Jan 2023)
Tax Bill	$4,348 (2025)
Deeds & Mortgages	Jan 2023 Sale & Mortgage Nov 2022 Line of Credit + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1463-14-2-16-016`

Property Details

APN / Parcel Number

Primary APN	`1463-14-2-16-016`
Alternative APNs	`R0038516` `0038516`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,521 sqft Living Area
Gross Area	2,392 sqft
1st Floor Area	1,014 sqft
Basement Area	1,014 sqft
Finished Basement	507 sqft
Unfinished Basement	507 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1977
Effective Year Built	Effective 1977
Architectural Style	Ranch
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	7,505 sqft (0.172 acres)
Garage Type	Attached
Garage Area	364 sqft
Parking Spaces	1 Parking Space
Patio Area	112 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0038516
Street Address	4451 SANDPIPER CIR
City	BOULDER
State	CO
Zip	80301-3116
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR
Legal Description	LOT 16 BLK 10 TWIN LAKES 2 REPLAT OF BLKS 10 11 & 12
Legal Range	70
Legal Township	1N
Legal Section	14
Legal Subdivision	TWIN LAKES 1,2 & REPLATS - BOV
Legal Block	10
Legal Lot Number	16
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1004
Census Tract	12708

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on Record
Mailing Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jan 31, 2023	Special Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU
Nov 2, 2022	Deed of Trust, Mortgage · Line of Credit LOUIS BASILE
Jun 30, 2021	Deed of Trust, Mortgage · Conventional Mortgage CALIBER HOME LOANS INC
Jul 12, 2018	Warranty Deed, Transfer · Conventional Mortgage CALIBER HM LOANS

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jan 31, 2023 · Amount on Record
Deed Sale	Jan 31, 2023 · Amount on Record
Prior Sale	Jul 12, 2018 · Amount on Record
Deed Document Number	20233996026
Prior Transfer Date	Jan 25, 2011
Prior Transfer Doc	0003130289
Record Updated	Oct 29, 2026

January 2023: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jan 31, 2023
Property Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116
Document Number	0003996026
Map Reference	MF 953 DOC 210676
Instrument Date	Jan 26, 2023
Instrument	3996026
Transaction Type	Transfer
Record Updated	Feb 6, 2023
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$77.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116

Mortgage

Document Number	0003996027
Date	Jan 31, 2023
Instrument	3996027

Lender

Name	ELEVATIONS CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Feb 1, 2053

November 2022: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116
Transaction Type	Mortgage
Record Updated	Nov 8, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116

Mortgage

Document Number	0003987506
Date	Nov 2, 2022
Instrument	3987506

Lender

Name	LOUIS BASILE
Type	Private Party
Address	CARNELIAN BAY, CA 96140

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	23 Months
Due	Oct 28, 2024

June 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116
Transaction Type	Mortgage
Record Updated	Jul 14, 2021
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN MORTGAGE SLN

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003896624
Date	Jun 30, 2021
Instrument	3896624

Lender

Name	CALIBER HOME LOANS INC
Type	Mortgage Company
Address	COPPELL, TX 75019

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 1, 2051

July 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 12, 2018
Property Address	4451 SANDPIPER CIR, BOULDER, CO 80301-3116
Document Number	0003665423
Instrument Date	Jul 11, 2018
Instrument	3665423
Transaction Type	Transfer
Record Updated	Jul 19, 2018
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$52.10
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	4451 SANDPIPER CIR BOULDER CO 803013116, BOULDER, CO 80301-3116

Mortgage

Document Number	3665424
Date	Jul 12, 2018
Instrument	3665424

Lender

Name	CALIBER HM LOANS
Type	Funding / Finance Company
Address	IRVING, TX 75063

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jul 11, 2048

Tax Assessment & Valuation

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

Property Jurisdictions

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

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$42,350 (-2.08%) Land $16,626 Building $25,724	$692,000 (-) Land $313,700 Building $378,300
2025	$4,348.00 (+12.09%)	$43,250 (-6.41%) Land $19,606 Building $23,644	$692,000 (+0.33%) Land $313,700 Building $378,300
2023	$3,879.00 (+15.89%)	$46,210 (+35.17%) Land $18,767 Building $27,443	$689,700 (+40.21%) Land $280,100 Building $409,600
2022	$3,347.00	$34,187 Land $14,303 Building $19,884	$491,900 Land $205,800 Building $286,100

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

Source: FEMA National Flood Hazard Layer, effective October 14, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

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

Wildfire Risk	Moderate above 51% of the US · lower than 65% of Colorado
Wildfire Likelihood	0.1% 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 334 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	2,000 / 250
Verizon Fixed Wireless	300 / 20
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL	140 / 20

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Sandpiper Cir

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