3675 Silverton St, Boulder, CO 80301 Property Records

Boulder County property record for 3675 Silverton St, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	4 bd · 3.5 ba · 3,655 sqft · built 2016
Lot Size	0.091 acres (3,975 sqft)
Owner	2 Individual Names on Record
Last Sale	$1,580,000 (Jul 2023)
Tax Bill	$9,147 (2025)
Deeds & Mortgages	Jul 2023 Sale Nov 2021 Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1463-20-1-56-005`

Property Details

APN / Parcel Number

Primary APN	`1463-20-1-56-005`
Alternative APN	`R0601914`

Interior

Bedrooms	4 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Total Rooms	9 Rooms
Stories	2 Stories
Building Area	3,655 sqft Living Area
Gross Area	4,313 sqft
1st Floor Area	1,178 sqft
Upper Floors Area	1,391 sqft
Basement Area	1,178 sqft
Finished Basement	1,086 sqft
Unfinished Basement	92 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2016
Effective Year Built	Effective 2016
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	3,975 sqft (0.091 acres)
Garage Type	Attached
Garage Area	566 sqft
Parking Spaces	2 Parking Spaces
Porch	Porch
Porch Area	144 sqft
Deck Area	144 sqft

Utilities, Heating & Cooling

Cooling System	HVAC
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0601914
Street Address	3675 SILVERTON ST
City	BOULDER
State	CO
Zip	80301-3614
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 84 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	84
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	3675 SILVERTON ST, BOULDER, CO 80301-3614
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Date	Document
Jul 20, 2023	Warranty Deed, Transfer LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO
Nov 22, 2021	Intrafamily Transfer, Transfer · ARM SILICON VALLEY BANK
Aug 3, 2017	Warranty Deed, Transfer · ARM DSW MORTGAGE INC

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 20, 2023 · Amount on Record
Deed Sale	Jul 20, 2023 · Amount on Record
Prior Sale	Aug 3, 2017 · Amount on Record
Deed Document Number	20234015178
Prior Transfer Date	Nov 12, 2021
Prior Transfer Doc	0003929573
Record Updated	Oct 29, 2026

July 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Jul 20, 2023
Property Address	3675 SILVERTON ST, BOULDER, CO 80301-3614
Document Number	0004015178
Instrument Date	Jul 19, 2023
Instrument	4015178
Transaction Type	Transfer
Record Updated	Aug 10, 2023
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

Amount	Amount Recorded
Tax	$168.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	3675 SLLVEFLTON STREET, ATLANTA, GA 30301

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3675 SLLVEFLTON STREET, ATLANTA, GA 30301

November 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Nov 22, 2021
Property Address	3675 SILVERTON ST, BOULDER, CO 80301-3614
Document Number	0003929573
Map Reference	DOC 3272534
Instrument Date	Nov 12, 2021
Instrument	3929573
Transaction Type	Transfer
Record Updated	Dec 6, 2021

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	3675 SILVERTON ST, BOULDER, CO 80301-3614

Mortgage

Document Number	0003929574
Date	Nov 22, 2021
Instrument	3929574

Lender

Name	SILICON VALLEY BANK
Type	Bank

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Dec 1, 2051

Interest

Rate Type	Adjustable Rate
Rate	2.37%
Adjustable	Adjustable Rate Rider
Type Change Date	Dec 1, 2028
Change Frequency	6 Months
Min Rate At Change	2.37%
Max Rate At Change	3.37%
Index	6-Month LIBOR
Max Rate	7.37%

August 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 3, 2017
Property Address	3675 SILVERTON ST, BOULDER, CO 80301-3614
Document Number	0003607002
Map Reference	DOC3272534
Instrument Date	Aug 1, 2017
Instrument	3607002
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	HERITAGE TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$112.75
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
Address	3675 SILVERTON ST, BOULDER, CO 80301-3614

Mortgage

Document Number	0003607003
Date	Aug 3, 2017
Instrument	3607003

Lender

Name	DSW MORTGAGE INC
Type	Mortgage Company

Agreement

Type	ARM
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2047

Interest

Rate Type	Adjustable Rate
Rate	3.5%
Type Change Date	Sep 1, 2024
Change Frequency	Annually
Min Rate At Change	2.25%
Max Rate At Change	8.5%
Index	1-Year LIBOR
Max Rate	8.5%

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		$99,613 (+3.84%) Land $19,944 Building $79,669	$1,534,900 (-) Land $363,300 Building $1,171,600
2025	$9,147.00 (-0.55%)	$95,931 (-12.94%) Land $22,706 Building $73,225	$1,534,900 (-6.68%) Land $363,300 Building $1,171,600
2023	$9,198.00 (+11.17%)	$110,195 (+23.67%) Land $23,356 Building $86,839	$1,644,700 (+28.28%) Land $348,600 Building $1,296,100
2022	$8,274.00	$89,106 Land $21,086 Building $68,020	$1,282,100 Land $303,400 Building $978,700

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

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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