3663 Silverton St, Boulder, CO 80301 Property Records

Boulder County property record for 3663 Silverton St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.25 ba · 4,507 sqft · built 2014
Lot Size	0.092 acres (4,022 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,650,000 (Apr 2026)
Tax Bill	$9,761 (2025)
Deeds & Mortgages	Apr 2026 Sale Jan 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-20-1-56-007`

Property Details

APN / Parcel Number

Primary APN	`1463-20-1-56-007`
Alternative APN	`R0601916`

Interior

Bedrooms	4 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	4,507 sqft Living Area
Gross Area	5,164 sqft
1st Floor Area	1,448 sqft
Upper Floors Area	1,756 sqft
Basement Area	1,448 sqft
Finished Basement	1,303 sqft
Unfinished Basement	145 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2014
Effective Year Built	Effective 2014
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	4,022 sqft (0.092 acres)
Garage Type	Attached
Garage Area	512 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	162 sqft
Deck Area	80 sqft
Patio Area	271 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0601916
Street Address	3663 SILVERTON ST
City	BOULDER
State	CO
Zip	80301-3614
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 86 NORTHFIELD COMMONS REPLAT A
Legal Range	70
Legal Township	1N
Legal Section	20
Legal Subdivision	NORTHFIELD COMMONS REPLAT A
Legal Block	4
Legal Lot Number	86
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	4
Census Block	4022
Census Tract	12701

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	3663 SILVERTON ST, BOULDER, CO 80301-3614
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Apr 20, 2026	Warranty Deed, Transfer LAND TITLE
Jan 21, 2021	Deed of Trust, Mortgage · Conventional Mortgage PLAINS COMMERCE BANK
Feb 25, 2020	Special Warranty Deed, Transfer · Conventional Mortgage NEWREZ LLC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Apr 20, 2026 · Amount on Record
Deed Sale	Apr 20, 2026 · Amount on Record
Prior Sale	Feb 25, 2020 · Amount on Record
Deed Document Number	20264128412
Prior Transfer Date	Jun 1, 2014
Prior Transfer Doc	0003384071
Record Updated	Oct 29, 2026

April 2026: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 20, 2026
Property Address	3663 SILVERTON ST, BOULDER, CO 80301-3614
Document Number	0004128412
Instrument Date	Apr 17, 2026
Instrument	20264128412
Transaction Type	Transfer
Record Updated	Jul 6, 2026
Title Company	LAND TITLE

Transaction

Amount	Amount Recorded
Tax	$16,665.00
Amount Accuracy	Calculated from Transfer Tax
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3663 SILVERTON ST, BOULDER, CO 80301-3614

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	3663 SILVERTON ST, BOULDER, CO 80301-3614
Transaction Type	Mortgage
Record Updated	Jul 26, 2022
Title Company	ASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003852400
Date	Jan 21, 2021
Instrument	3852400

Lender

Name	PLAINS COMMERCE BANK
Type	Bank
Address	SIOUX FALLS, SD 57106

Agreement

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

February 2020: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 25, 2020
Property Address	3663 SILVERTON ST, BOULDER, CO 80301-3614
Document Number	0003768035
Map Reference	DOC 3272534
Instrument Date	Feb 24, 2020
Instrument	3768035
Transaction Type	Transfer
Record Updated	Jul 26, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$124.50
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3663 SILVERTON ST, BOULDER, CO 80301-3614

Mortgage

Document Number	0003768036
Date	Feb 25, 2020
Instrument	3768036

Lender

Name	NEWREZ LLC
Type	Non-Lending Institution

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Mar 1, 2050

Tax Assessment & Valuation

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		$105,699 (+4.11%) Land $19,944 Building $85,755	$1,624,400 (-) Land $363,300 Building $1,261,100
2025	$9,761.00 (-2.34%)	$101,525 (-13.53%) Land $22,706 Building $78,819	$1,624,400 (-7.31%) Land $363,300 Building $1,261,100
2024	$9,995.00 (+1.77%)
2023	$9,821.00 (+14.08%)	$117,417 (+26.66%) Land $23,356 Building $94,061	$1,752,500 (+31.38%) Land $348,600 Building $1,403,900
2022	$8,609.00	$92,706 Land $21,086 Building $71,620	$1,333,900 Land $303,400 Building $1,030,500

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 · 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 Record median of 20 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	20 in force
Nearby Flood Claims	14 (2013–2015)
Claims Outside the SFHA	4 of 14
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 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

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 615 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
LiveWireNet Fixed Wireless	250 / 100
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: AT&T, Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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